Suzuki RGV250 Gamma 1987—1997
I have put some RG250 Gamma information on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
RGV250 Gamma is a motorcycle for you if you don't like compromises and want to own a bike that is as near a racing bike as possible. It has been designed one one thing is mind: to ride as fast as possible from one curve to another. If you touring plans, forget this bike!
RGV250 Gamma was based on the RG250 Gamma, a slightly less sportier motorcycle and with a less modern 2-stroke engine.
The chassis of the RGV250 is very light, smooth and also very stable. The weight of the bike is very low, only 128 kg (282 lbs) for the first version. The engine is a 90° aluminum V-twin (later 70°) water-cooled 2-stroke delivering 68-67 hp at very high rpm's (the stock bike power output vary between countries, from 40 to 67 bhp). Because the machine is mainly purposed for racing, a trim kit for 70 bhp is offered by Suzuki.
Maximum Speed: 205-215 km/h
Caster: 25°
Trail: 94 mm
1987 Suzuki
RGV 250 Gamma 1987
Overall Length: 2 010 mm (79.1 in)
Overall Width: 675 mm (26.6 in)
Overall Height: 1 170 mm (46.1 in)
Wheelbase: 1 355 mm (53.3 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 247 cc water-cooled 2-stroke V-twin. 45 hp/ 8.500 rpm, 3.8 kg-m/ 8.000 rpm.
Click on the image for larger format.
1988—1989 RGV250 Gamma specs:
Overall length: 2 015 mm (79.3 in)
Overall width: 695 mm (27.4 in)
Overall height: 1 065 mm (41.9 in)
Seat height: 755 mm (29.7 in)
Wheelbase: 1 375 mm (54.1 in)
Ground clearance: 120 mm (4.7 in)
Dry mass: 128 kg (282 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin
Bore x Stroke: 56.0 x 50.6 mm
Engine compression: 7,5:1
Carburators: Mikuni VM32SS
Gearbox: 6-speed constant mesh
Primary drive: 2.565 (59/23)
Secondary drive: 3.066 (46/15)
1st gear: 2.454 (27/11)
2nd gear: 1.625 (26/16)
3rd gear: 1.235 (21/17)
4th gear: 1.045 (23/22)
5th gear: 0.916 (22/24)
6th gear: 0.840 (21/25)
Drive Chain: DID520V2, 114 links
Front brakes: twin 300 mm disk, 4-cylinder
Rear brake: single 210 mm disk, 2-cylinder
Front tyre dimension: 110/70-17
Rear tyre dimension: 140/60-18
Ignition type: Suzuki PEI (Pointless Electric Ignition)
Ignition timing: 14 degree's before top dead center
Spark plugs: NGK BR9ES
Fuel tank capacity: 17 liter (5,5 liter reserve)
Front suspension: Telescopic, coil spring, oil damped, spring 5-way adjustable
Rear suspension: Full-floating suspension, gas/coil spring, oil damped, spring 7-way adjustable
Steering angle: 30 degrees
Caster: 64,25 degrees
Front fork stroke: 120 mm
Rear wheel travel: 140 mm
Engine oil capacity: 1,1 liter
Transmission oil capacity: 700 ml
Coolant capacity: 1,6 liter
Front fork oil capacity: 429 ml
RGV 250 Gamma 1988
Overall Length: 2 015 mm (79.3 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 755 mm (29.7 in)
Wheelbase: 1 375 mm (54.1 in)
Ground Clearance: 120 mm (4.7 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin 50,4 hp/ 11.000 rpm. Japan: 45 ps/ 8.500 rpm, 3,8 kg-m/ 8.000 rpm.
RGV 250 Gamma SP 1988
Overall Length: 1 990 mm (78.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Wheelbase: 1 375 mm (54.1 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 249 cc, water-cooled 2-stroke V-twin 50,4 hp/ 11.000 rpm. Japan: 45 ps/ 8.500 rpm, 3,8 kg-m/ 8.000 rpm.
RGV 250 Gamma 1989
Overall Length: 2 015 mm (79.3 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 755 mm (29.7 in)
Wheelbase: 1 375 mm (54.1 in)
Ground Clearance: 120 mm (4.7 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 59 hp (42.9 kW)/ 11.000 rpm, 37,3 Nm/ 10.800 rpm (Switzerland)
RGV 250 Gamma 1989
Overall Length: 1 990 mm (78.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 375 mm (54.1 in)
Dry Weight: 129 kg (284 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 58 hp (42,3 kW)/ 11.000 rpm. 45 hp/ 9.500 rpm, 3.8 kg-m/ 8.000 rpm (Japan). 56.54 hp, 29.0 ft-lbs/ 10.500 rpm
RGV 250 Gamma 1989
Bore xStroke: 56.0 x 50.6mm
Compression Ratio: 7.3:1
Carburetors: 2 x Mikini VM34SS 34mm Slingshot type
Seat Height: 766mm
Tyres: 110/70-17, 140/60x18
Clutch: Wet Multi plate type
Maximum Power: 56.54 hp
Torque:29.0 ft-lbs/ 10.500rpm
Top Speed: 204 km/h
1/4 Mile time: 12.9 seconds at 174kmh (108mph)
O-100kmh : 3.6 seconds (Australia)
1990 Suzuki year code: L
New fully adjustable rear suspension. Colors: blue/white, red/white and black/silver.
34mm Mikini VM34SS carburetors. Rear suspension: full floating suspension system, gas/coil spring, oil damped, spring pre-load fully adjustable, extension damping force 4-Way adjustable and compression damping force 19-Way adjustable.
RGV 250 Gamma 1990
Overall Length: 1 990 mm (78.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 129 kg (284 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 59 hp (42.9 kW)/ 11.000 rpm, 37,3 Nm/ 10.800 rpm (Switzerland)
For the 1991 year's model the RGV250 Gamma was updated with new carburetors (from 32 mm to 34 mm), power valves and new front suspension. A new semi-frame banana swingarm was introduced (looks a lot like the one used in Honda NSR). It gave better ground clearance and allowed to draw the exhaust pipes where the swingarm should have been. Both exhaust pipes were now drawn at the same side of the bike. The new swingarm stiffened the rear end quite dramatically but also increased the weight from 129 kg to 139 kg. With a new rear swingarm the front end was also rebuilt with the new upside down suspension forks, which had a good design but the performance was not as good as the old forks which it replaced. The power output and torque was increased slightly and a 17" rear wheel added to the list of upgrades.
With the introduction of the power valves came the biggest problem of the RGV250. The valve valves wears down from opening and closing and can collide with the piston and brake. Happens sometimes in bikes with high milage.
1991 RGV250 Gamma (changed specs):
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Ground Clearance: 125 mm (4.9 in)
Dry Weight: 139 kg (306 lbs)
Compression ratio: 7.3:1 (for the use of unleaded fuel)
Carburetors: Mikini TM34SS
Final Reduction: 3.071 (43/14)
Front suspension: Inverted telescopic, coil damped, inner rod type, spring 5-way adjustable.
Rear suspension: Full floating suspension system, gas/coilspring, oil damped, spring pre-load fully adjustable, extension damping force 4-way adjustable, compression damping force 19-way adjustable.
Swinging arm: New banana model
Caster angle: 65 degrees
Rear tyre size: 150/60/17
Rear wheel travel: 130 mm
Ignition timing: 10 degrees before top dead center
Spark plugs: BR9ECM
Fuel tank capacity: 16 liter (including reserve)
Reserve: 3,5 liter
Coolant capacity: 1,9 liter
RGV 250 Gamma 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Ground Clearance: 125 mm (4.9 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp (45,6 kW)/ 11.000 rpm, 40 Nm/ 11.000 rpm
RGV 250 Gamma 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 63 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm (Italy), 45 hp / 9.500 rpm, 3,9 kg-m/ 8.000 rpm in (Japan).
RGV 250 Gamma 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 63 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm (Italy), 45 hp / 9.500 rpm, 3,9 kg-m/ 8.000 rpm in (Japan).
RGV 250 Gamma SP 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 63 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm (Italy), 45 hp / 9.500 rpm, 3,9 kg-m/ 8.000 rpm in (Japan).
RGV 250 Gamma 1992
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Weight: 169 kg (372 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1992
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Weight: 169 kg (372 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma SP 1992
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Weight: 169 kg (372 lbs)
Engine type: 249 cc DOHC water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
Engine upgrade, The V-twin was redesigned from 90° to 70° between the cylinders. Ram Air cooling system. Other changes from previous model: Overall length increased to 1995 mm (78.5 inches), new double braced swingarm with extra rigidity for racing, revised power-valves, revised gearbox (2nd and 5th).
RGV 250 Gamma 1993
Overall Length: 1 995 mm (78.5 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke 70° V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm.
RGV 250 Gamma 1993
Overall Length: 1 995 mm (78.5 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke 70° V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm.
RGV 250 Gamma 1993
Overall Length: 1 995 mm (78.5 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke 70° V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm.
RGV 250 Gamma SP 1993
Overall Length: 1 985 mm (78.2 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 385 mm (54.5 in)
Dry Weight: 138 kg (304 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1994
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 138 kg (304 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1995
Overall Length: 2 050 mm (80.7 in)
Overall Width: 685 mm (27.0 in)
Overall Height: 1 220 mm (48.0 in)
Seat Height: 760 mm (29.9 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: Water-cooled 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1996
Overall Length: 1965 mm (77.2 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 095 mm (43.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (295 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma SP 1996
Overall Length: 1965 mm (77.2 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 095 mm (43.1 in)
Wheelbase: 1 330 mm (52.4 in)
Dry Weight: 134 kg (295 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
The RGV250SP uses a dry clutch and special 32mm carburetors with sensors for the airbox pressure. The bike also has electric start and uses ram-air technology (check the pipe next to the headlight going straight into the frame). The bike is supposed to produce nearly 70 hp when de-restricted (the power output is restricted to 40 hp in Japan, in Italy the power output is given to 67 hp).
RGV 250 Gamma SP 1997
Overall Length: 1 965mm (77.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 095 mm (43.1 in)
Seat Height: 765 mm (30.1 in)
Wheelbase: 1 330 mm (52.4 in)
Dry Weight: 134 kg (295 lbs)
Engine type: Water-cooled 249 cc water-cooled 2-stroke V-twin. 67 hp.
Suzuki RGV250 Gamma brochures
I have put some Suzuki RGV 250 Gamma sales brochure scans on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
1991 RGV250M Gamma sales brochure from Germany (four pages). Click to enlarge.
This brochure was kindly sent to me by Erik Hobo from the Netherlands.
1991 RGV250M Gamma sales brochures from the Netherlands. Click to enlarge.
These two different brochure scans were also sent to me by Erik Hobo.
1991 RGV250M Gamma road racing sport kit from Japan (two pages). Click to enlarge.
These scans were sent to me by Ioannis Ragias from Greece.
1992 RGV250N Gamma sales brochure from Germany (four pages). Click to enlarge.
This brochure was kindly sent to me by Torsten Kumpf, Germany.
1992 RGV250P Gamma sales brochure from Germany (four pages). Click to enlarge.
This brochure was kindly sent to me by Erik Hobo from the Netherlands. Printed in Japan, August 1992.
1991 RGV250 Gamma specifications (Germany)
Overall Length: 2 080 mm
Overall Width: 710 mm
Overall Height: 1 080 mm
Seat Height: 800 mm
Wheelbase: 1 385 mm
Weight (ready to use, single passenger): 166 kg
Total weight (with two passengers): 355 kg
Fuel tank capacity: 14 liter
Reserve: 3,5 liter
Engine Type: Water-cooled 90° V-twin, 2-stroke. Reed valve.
Cylinder displacement: 249 cc
Bore x stroke: 56,0 mm x 50,6 mm
Compression ratio: 7.3:1
Maximum power output: 56 hp (41 kW)/ 11.000 rpm
Maximum torque: 35,2 Nm/ 11.000 rpm
Carburetor type: Mikuni TM32SS x 2
Air cleaner: Polyurethane foam element
Starter system: Kick start
Clutch type: Wet multi-plate
Transmission type: 6-speed constant mesh
Primary reduction ratio: 2,56
Gear Ratios:
· 1st: 2,45
· 2nd: 1,62
· 3rd: 1,23
· 4th: 1,04
· 5th: 0,91
· 6th: 0,84
Final reduction ratio: 3,07
Drive system: Chain, 114 links (520V2)
Maximum speed: 195 km/h
Frame type: aluminum profile box frame
Front fork diameter: 41 mm
Front suspension: Telescopic, oil damped, spring pre-load fully adjustable
Front suspension stroke: 120 mm
Rear suspension: Full floater type, gas/oil damped, compression damping 19-way adjustable, rebound damping force 4-way adjustable
Rear wheel travel: 120 mm
Steering Angle: 32 degrees
Turning Radius: 3.2 metres (10.5 feet)
Front brake: Twin disc, 300 mm, 4-piston
Rear brake: Single disc, 210 mm
Front tyre: 110/70 R17 54H
Rear tyre:150/60 R17 69H
Front Wheel dimension: 3.00-17
Rear Wheel dimension: 4.50-17
Caster: 65 degrees
Trail: 94 mm
Ignition type: Suzuki PEI (Pointless Electric Ignition)
Spark plug: NGK BR9ECM
Generator type: DC, 200 W
Battery type: 12 V, 3 Ah
Suzuki RGV250 Gamma magazine articles
I have put some Suzuki RGV250 Gamma magazine article scans on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
1989 RGV250 Gamma road test from Sweden (three pages). Click to enlarge. ”Small and dainty”. The actual riding took place in Spain and the test riders thought the RGV was a fantastic racer perlica, a thrill to ride on the Spanish mountain roads. Published in Super Bike magazine (Sweden), July 1989. I made a separate image of the specs published on the second page of the article, that's the fourth ”page” shown here.
1996 RGV250 Gamma test, scanned from Ride (UK) 6/1996. Click to enlarge. ”The ultimate test”. What should you think about when buying a used RGV250? The high resolution version of this test page very large, over 350 kB.
Suzuki RG250 Gamma brochures
I have put some RG 250 Gamma sales brochure scans on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
1983 RG250 Gamma sales brochure from Japan (eight pages). Click to enlarge.
I found these scans on a Japanese site www.gem.hi-ho.ne.jp/r1100-hase. Although the headlines are in English, all text is in Japanese, a language I wish I understood. At the last page (the first scan on this page) we can find all the Suzuki GP winners.
1983 RG250 Gamma sales brochure scans (eight pages). Click to enlarge.
Here's more brochure scans. These great looking brochure page scans were sent me by someone called Martin. He didn't tell me more of himself and I don't even know what country he lives in. Thanks, Martin! The bike behind the RG250 on the front page seems to be the RG Gamma factory racer.
1983 RG250 Gamma sales brochure scan (last page). Click to enlarge.
I found this scan on a Dutch Walter Wolf page. Unfortunately there was only this last page with the specifications. I hope the webmaster can/will send me the rest of the pages.
1985 RG250W Gamma sales brochure (with XN85 Turbo) from Holland. Click to enlarge.
This brochure was kindly scanned by Erik Hobo from the Netherlands.
1987 RG250 Gamma brochure page. Click to enlarge.
This scan was kindly sent to me by Gerald, Canada. The word ”seven” at the bottom of the page shows it is a page from a larger brochure, unfortunately Gerald didn't know what it is. ”Someone sent that to me in 1999. I can't remember who. Its probably the
Canadian market brochure.”
1987-1989 RG250 Gamma specifications (Japan, restricted power output)
Overall Length: 2 005 mm
Overall Height: 1 065 mm
Overall Width:
Seat Height: 740 mm
Ground Clearance:
Wheelbase: 1 320 mm
Dry Weight: 126 kg
Engine Type: 247 cc air-cooled horizontal parallel twin 2-stroke. Piston reed valve.
30 hp/ 8.000 rpm, 2.9 kg-m/ 7.000 rpm. Kick start.
Transmission: 6-speed gearbox.
Bore x Stroke: 54 x 54 mm
Compression Ratio: 6.7:1
Front Brakes: single disc
Rear Brakes: drum
Front Tyre dimension: 3.00-18
Rear Tyre dimension: 3.025-18
Price in Japan 1987: 295.000 Yen
I have put some RG250 Gamma information on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
RGV250 Gamma is a motorcycle for you if you don't like compromises and want to own a bike that is as near a racing bike as possible. It has been designed one one thing is mind: to ride as fast as possible from one curve to another. If you touring plans, forget this bike!
RGV250 Gamma was based on the RG250 Gamma, a slightly less sportier motorcycle and with a less modern 2-stroke engine.
The chassis of the RGV250 is very light, smooth and also very stable. The weight of the bike is very low, only 128 kg (282 lbs) for the first version. The engine is a 90° aluminum V-twin (later 70°) water-cooled 2-stroke delivering 68-67 hp at very high rpm's (the stock bike power output vary between countries, from 40 to 67 bhp). Because the machine is mainly purposed for racing, a trim kit for 70 bhp is offered by Suzuki.
Maximum Speed: 205-215 km/h
Caster: 25°
Trail: 94 mm
1987 Suzuki
RGV 250 Gamma 1987
Overall Length: 2 010 mm (79.1 in)
Overall Width: 675 mm (26.6 in)
Overall Height: 1 170 mm (46.1 in)
Wheelbase: 1 355 mm (53.3 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 247 cc water-cooled 2-stroke V-twin. 45 hp/ 8.500 rpm, 3.8 kg-m/ 8.000 rpm.
Click on the image for larger format.
1988—1989 RGV250 Gamma specs:
Overall length: 2 015 mm (79.3 in)
Overall width: 695 mm (27.4 in)
Overall height: 1 065 mm (41.9 in)
Seat height: 755 mm (29.7 in)
Wheelbase: 1 375 mm (54.1 in)
Ground clearance: 120 mm (4.7 in)
Dry mass: 128 kg (282 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin
Bore x Stroke: 56.0 x 50.6 mm
Engine compression: 7,5:1
Carburators: Mikuni VM32SS
Gearbox: 6-speed constant mesh
Primary drive: 2.565 (59/23)
Secondary drive: 3.066 (46/15)
1st gear: 2.454 (27/11)
2nd gear: 1.625 (26/16)
3rd gear: 1.235 (21/17)
4th gear: 1.045 (23/22)
5th gear: 0.916 (22/24)
6th gear: 0.840 (21/25)
Drive Chain: DID520V2, 114 links
Front brakes: twin 300 mm disk, 4-cylinder
Rear brake: single 210 mm disk, 2-cylinder
Front tyre dimension: 110/70-17
Rear tyre dimension: 140/60-18
Ignition type: Suzuki PEI (Pointless Electric Ignition)
Ignition timing: 14 degree's before top dead center
Spark plugs: NGK BR9ES
Fuel tank capacity: 17 liter (5,5 liter reserve)
Front suspension: Telescopic, coil spring, oil damped, spring 5-way adjustable
Rear suspension: Full-floating suspension, gas/coil spring, oil damped, spring 7-way adjustable
Steering angle: 30 degrees
Caster: 64,25 degrees
Front fork stroke: 120 mm
Rear wheel travel: 140 mm
Engine oil capacity: 1,1 liter
Transmission oil capacity: 700 ml
Coolant capacity: 1,6 liter
Front fork oil capacity: 429 ml
RGV 250 Gamma 1988
Overall Length: 2 015 mm (79.3 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 755 mm (29.7 in)
Wheelbase: 1 375 mm (54.1 in)
Ground Clearance: 120 mm (4.7 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin 50,4 hp/ 11.000 rpm. Japan: 45 ps/ 8.500 rpm, 3,8 kg-m/ 8.000 rpm.
RGV 250 Gamma SP 1988
Overall Length: 1 990 mm (78.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Wheelbase: 1 375 mm (54.1 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 249 cc, water-cooled 2-stroke V-twin 50,4 hp/ 11.000 rpm. Japan: 45 ps/ 8.500 rpm, 3,8 kg-m/ 8.000 rpm.
RGV 250 Gamma 1989
Overall Length: 2 015 mm (79.3 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 755 mm (29.7 in)
Wheelbase: 1 375 mm (54.1 in)
Ground Clearance: 120 mm (4.7 in)
Dry Weight: 128 kg (282 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 59 hp (42.9 kW)/ 11.000 rpm, 37,3 Nm/ 10.800 rpm (Switzerland)
RGV 250 Gamma 1989
Overall Length: 1 990 mm (78.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 375 mm (54.1 in)
Dry Weight: 129 kg (284 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 58 hp (42,3 kW)/ 11.000 rpm. 45 hp/ 9.500 rpm, 3.8 kg-m/ 8.000 rpm (Japan). 56.54 hp, 29.0 ft-lbs/ 10.500 rpm
RGV 250 Gamma 1989
Bore xStroke: 56.0 x 50.6mm
Compression Ratio: 7.3:1
Carburetors: 2 x Mikini VM34SS 34mm Slingshot type
Seat Height: 766mm
Tyres: 110/70-17, 140/60x18
Clutch: Wet Multi plate type
Maximum Power: 56.54 hp
Torque:29.0 ft-lbs/ 10.500rpm
Top Speed: 204 km/h
1/4 Mile time: 12.9 seconds at 174kmh (108mph)
O-100kmh : 3.6 seconds (Australia)
1990 Suzuki year code: L
New fully adjustable rear suspension. Colors: blue/white, red/white and black/silver.
34mm Mikini VM34SS carburetors. Rear suspension: full floating suspension system, gas/coil spring, oil damped, spring pre-load fully adjustable, extension damping force 4-Way adjustable and compression damping force 19-Way adjustable.
RGV 250 Gamma 1990
Overall Length: 1 990 mm (78.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 065 mm (41.9 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 129 kg (284 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 59 hp (42.9 kW)/ 11.000 rpm, 37,3 Nm/ 10.800 rpm (Switzerland)
For the 1991 year's model the RGV250 Gamma was updated with new carburetors (from 32 mm to 34 mm), power valves and new front suspension. A new semi-frame banana swingarm was introduced (looks a lot like the one used in Honda NSR). It gave better ground clearance and allowed to draw the exhaust pipes where the swingarm should have been. Both exhaust pipes were now drawn at the same side of the bike. The new swingarm stiffened the rear end quite dramatically but also increased the weight from 129 kg to 139 kg. With a new rear swingarm the front end was also rebuilt with the new upside down suspension forks, which had a good design but the performance was not as good as the old forks which it replaced. The power output and torque was increased slightly and a 17" rear wheel added to the list of upgrades.
With the introduction of the power valves came the biggest problem of the RGV250. The valve valves wears down from opening and closing and can collide with the piston and brake. Happens sometimes in bikes with high milage.
1991 RGV250 Gamma (changed specs):
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Ground Clearance: 125 mm (4.9 in)
Dry Weight: 139 kg (306 lbs)
Compression ratio: 7.3:1 (for the use of unleaded fuel)
Carburetors: Mikini TM34SS
Final Reduction: 3.071 (43/14)
Front suspension: Inverted telescopic, coil damped, inner rod type, spring 5-way adjustable.
Rear suspension: Full floating suspension system, gas/coilspring, oil damped, spring pre-load fully adjustable, extension damping force 4-way adjustable, compression damping force 19-way adjustable.
Swinging arm: New banana model
Caster angle: 65 degrees
Rear tyre size: 150/60/17
Rear wheel travel: 130 mm
Ignition timing: 10 degrees before top dead center
Spark plugs: BR9ECM
Fuel tank capacity: 16 liter (including reserve)
Reserve: 3,5 liter
Coolant capacity: 1,9 liter
RGV 250 Gamma 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Ground Clearance: 125 mm (4.9 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp (45,6 kW)/ 11.000 rpm, 40 Nm/ 11.000 rpm
RGV 250 Gamma 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 63 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm (Italy), 45 hp / 9.500 rpm, 3,9 kg-m/ 8.000 rpm in (Japan).
RGV 250 Gamma 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 63 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm (Italy), 45 hp / 9.500 rpm, 3,9 kg-m/ 8.000 rpm in (Japan).
RGV 250 Gamma SP 1991
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 63 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm (Italy), 45 hp / 9.500 rpm, 3,9 kg-m/ 8.000 rpm in (Japan).
RGV 250 Gamma 1992
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Weight: 169 kg (372 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1992
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Weight: 169 kg (372 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma SP 1992
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Weight: 169 kg (372 lbs)
Engine type: 249 cc DOHC water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
Engine upgrade, The V-twin was redesigned from 90° to 70° between the cylinders. Ram Air cooling system. Other changes from previous model: Overall length increased to 1995 mm (78.5 inches), new double braced swingarm with extra rigidity for racing, revised power-valves, revised gearbox (2nd and 5th).
RGV 250 Gamma 1993
Overall Length: 1 995 mm (78.5 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke 70° V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm.
RGV 250 Gamma 1993
Overall Length: 1 995 mm (78.5 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke 70° V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm.
RGV 250 Gamma 1993
Overall Length: 1 995 mm (78.5 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: 249 cc water-cooled 2-stroke 70° V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/ 11.000 rpm.
RGV 250 Gamma SP 1993
Overall Length: 1 985 mm (78.2 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 385 mm (54.5 in)
Dry Weight: 138 kg (304 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1994
Overall Length: 1 980 mm (78.0 in)
Overall Width: 690 mm (27.2 in)
Overall Height: 1 070 mm (42.1 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 138 kg (304 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1995
Overall Length: 2 050 mm (80.7 in)
Overall Width: 685 mm (27.0 in)
Overall Height: 1 220 mm (48.0 in)
Seat Height: 760 mm (29.9 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (306 lbs)
Engine type: Water-cooled 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma 1996
Overall Length: 1965 mm (77.2 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 095 mm (43.1 in)
Seat Height: 766 mm (30.2 in)
Wheelbase: 1 380 mm (54.3 in)
Dry Weight: 139 kg (295 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
RGV 250 Gamma SP 1996
Overall Length: 1965 mm (77.2 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 095 mm (43.1 in)
Wheelbase: 1 330 mm (52.4 in)
Dry Weight: 134 kg (295 lbs)
Engine type: 249 cc water-cooled 2-stroke V-twin. 62 hp/ 11.000 rpm, 4.0 kg-m/11.000 rpm.
The RGV250SP uses a dry clutch and special 32mm carburetors with sensors for the airbox pressure. The bike also has electric start and uses ram-air technology (check the pipe next to the headlight going straight into the frame). The bike is supposed to produce nearly 70 hp when de-restricted (the power output is restricted to 40 hp in Japan, in Italy the power output is given to 67 hp).
RGV 250 Gamma SP 1997
Overall Length: 1 965mm (77.4 in)
Overall Width: 695 mm (27.4 in)
Overall Height: 1 095 mm (43.1 in)
Seat Height: 765 mm (30.1 in)
Wheelbase: 1 330 mm (52.4 in)
Dry Weight: 134 kg (295 lbs)
Engine type: Water-cooled 249 cc water-cooled 2-stroke V-twin. 67 hp.
Suzuki RGV250 Gamma brochures
I have put some Suzuki RGV 250 Gamma sales brochure scans on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
1991 RGV250M Gamma sales brochure from Germany (four pages). Click to enlarge.
This brochure was kindly sent to me by Erik Hobo from the Netherlands.
1991 RGV250M Gamma sales brochures from the Netherlands. Click to enlarge.
These two different brochure scans were also sent to me by Erik Hobo.
1991 RGV250M Gamma road racing sport kit from Japan (two pages). Click to enlarge.
These scans were sent to me by Ioannis Ragias from Greece.
1992 RGV250N Gamma sales brochure from Germany (four pages). Click to enlarge.
This brochure was kindly sent to me by Torsten Kumpf, Germany.
1992 RGV250P Gamma sales brochure from Germany (four pages). Click to enlarge.
This brochure was kindly sent to me by Erik Hobo from the Netherlands. Printed in Japan, August 1992.
1991 RGV250 Gamma specifications (Germany)
Overall Length: 2 080 mm
Overall Width: 710 mm
Overall Height: 1 080 mm
Seat Height: 800 mm
Wheelbase: 1 385 mm
Weight (ready to use, single passenger): 166 kg
Total weight (with two passengers): 355 kg
Fuel tank capacity: 14 liter
Reserve: 3,5 liter
Engine Type: Water-cooled 90° V-twin, 2-stroke. Reed valve.
Cylinder displacement: 249 cc
Bore x stroke: 56,0 mm x 50,6 mm
Compression ratio: 7.3:1
Maximum power output: 56 hp (41 kW)/ 11.000 rpm
Maximum torque: 35,2 Nm/ 11.000 rpm
Carburetor type: Mikuni TM32SS x 2
Air cleaner: Polyurethane foam element
Starter system: Kick start
Clutch type: Wet multi-plate
Transmission type: 6-speed constant mesh
Primary reduction ratio: 2,56
Gear Ratios:
· 1st: 2,45
· 2nd: 1,62
· 3rd: 1,23
· 4th: 1,04
· 5th: 0,91
· 6th: 0,84
Final reduction ratio: 3,07
Drive system: Chain, 114 links (520V2)
Maximum speed: 195 km/h
Frame type: aluminum profile box frame
Front fork diameter: 41 mm
Front suspension: Telescopic, oil damped, spring pre-load fully adjustable
Front suspension stroke: 120 mm
Rear suspension: Full floater type, gas/oil damped, compression damping 19-way adjustable, rebound damping force 4-way adjustable
Rear wheel travel: 120 mm
Steering Angle: 32 degrees
Turning Radius: 3.2 metres (10.5 feet)
Front brake: Twin disc, 300 mm, 4-piston
Rear brake: Single disc, 210 mm
Front tyre: 110/70 R17 54H
Rear tyre:150/60 R17 69H
Front Wheel dimension: 3.00-17
Rear Wheel dimension: 4.50-17
Caster: 65 degrees
Trail: 94 mm
Ignition type: Suzuki PEI (Pointless Electric Ignition)
Spark plug: NGK BR9ECM
Generator type: DC, 200 W
Battery type: 12 V, 3 Ah
Suzuki RGV250 Gamma magazine articles
I have put some Suzuki RGV250 Gamma magazine article scans on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
1989 RGV250 Gamma road test from Sweden (three pages). Click to enlarge. ”Small and dainty”. The actual riding took place in Spain and the test riders thought the RGV was a fantastic racer perlica, a thrill to ride on the Spanish mountain roads. Published in Super Bike magazine (Sweden), July 1989. I made a separate image of the specs published on the second page of the article, that's the fourth ”page” shown here.
1996 RGV250 Gamma test, scanned from Ride (UK) 6/1996. Click to enlarge. ”The ultimate test”. What should you think about when buying a used RGV250? The high resolution version of this test page very large, over 350 kB.
Suzuki RG250 Gamma brochures
I have put some RG 250 Gamma sales brochure scans on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.
1983 RG250 Gamma sales brochure from Japan (eight pages). Click to enlarge.
I found these scans on a Japanese site www.gem.hi-ho.ne.jp/r1100-hase. Although the headlines are in English, all text is in Japanese, a language I wish I understood. At the last page (the first scan on this page) we can find all the Suzuki GP winners.
1983 RG250 Gamma sales brochure scans (eight pages). Click to enlarge.
Here's more brochure scans. These great looking brochure page scans were sent me by someone called Martin. He didn't tell me more of himself and I don't even know what country he lives in. Thanks, Martin! The bike behind the RG250 on the front page seems to be the RG Gamma factory racer.
1983 RG250 Gamma sales brochure scan (last page). Click to enlarge.
I found this scan on a Dutch Walter Wolf page. Unfortunately there was only this last page with the specifications. I hope the webmaster can/will send me the rest of the pages.
1985 RG250W Gamma sales brochure (with XN85 Turbo) from Holland. Click to enlarge.
This brochure was kindly scanned by Erik Hobo from the Netherlands.
1987 RG250 Gamma brochure page. Click to enlarge.
This scan was kindly sent to me by Gerald, Canada. The word ”seven” at the bottom of the page shows it is a page from a larger brochure, unfortunately Gerald didn't know what it is. ”Someone sent that to me in 1999. I can't remember who. Its probably the
Canadian market brochure.”
1987-1989 RG250 Gamma specifications (Japan, restricted power output)
Overall Length: 2 005 mm
Overall Height: 1 065 mm
Overall Width:
Seat Height: 740 mm
Ground Clearance:
Wheelbase: 1 320 mm
Dry Weight: 126 kg
Engine Type: 247 cc air-cooled horizontal parallel twin 2-stroke. Piston reed valve.
30 hp/ 8.000 rpm, 2.9 kg-m/ 7.000 rpm. Kick start.
Transmission: 6-speed gearbox.
Bore x Stroke: 54 x 54 mm
Compression Ratio: 6.7:1
Front Brakes: single disc
Rear Brakes: drum
Front Tyre dimension: 3.00-18
Rear Tyre dimension: 3.025-18
Price in Japan 1987: 295.000 Yen
