The Suzuki GSX-R 400R SP II is a motorcycle model from 1990 with a four-stroke, transverse four-cylinder, DOHC 4 valve per cylinder engine. Its capacity is 398cc with a bore x stroke of 56 x 40.4 mm and it has a wet sump lubrication system with liquid cooling. The compression ratio is 11.8:1 and the induction method is through slingshot carburetors. The ignition system is CDI with a 12V 35/35w x 2 headlight and electric starting. Maximum power is 44 kW / 59 hp @ 11000 rpm and max torque is 39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm. The transmission is a 6-speed, constant mesh with a chain final drive, while the frame is made of aluminum angular pipe double cradle. The front suspension is telescopic forks and the rear suspension is full floater swing arm, non-adjustable. Front brakes are 2 x discs with 4 piston calipers and the rear brake is a single disc with 2 piston caliper. The front and rear tires are 110/70-R17 53H and 140/60-R18 64H, respectively. The motorcycle has a 27 degree 25′ rake and 96 mm / 3.7 in trail with dimensions of length 1995 mm / 78.5 in, width 695 mm / 27.4 in, and height 1110 mm / 43.7 in, with a wheelbase of 1375 mm / 54.1 in. Its ground clearance is 125 mm / 4.9 in, seat height is 735 mm / 28.9 in, dry weight is 160 kg / 352 lbs, and the fuel capacity is 15 liters / 3.96 US gal / 3.3 Imp gal. The motorcycle can reach a top speed of 194 km/h / 120.4 mph and complete a standing 1/4 mile in 12.7 seconds.
Technical specifications:
Make Model: Suzuki GSX-R 400R SP II
| Year | 1990 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC |
| Capacity | 398 cc / 24.3 cu-in |
| Bore x Stroke | 56 x 40.4 mm |
| Lubrication | Wet sump |
| Cooling System | Liquid cooled |
| Compression Ratio | 11.8:1 |
| Induction | Slingshot carburetors |
| Ignition | CDI |
| Headlight | 12V 35/35w x 2 |
| Starting | Electric |
| Max Power | 44 kW / 59 hp @ 11000 rpm |
| Max Torque | 39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm |
| Clutch | Wet multi-plate |
| Transmission | 6 Speed, constant mesh |
| Final Drive | Chain |
| Primary Reduction Ratio | 2.212 |
| Final Drive Ratio | 3.066 |
| Gear Ratio | 1st 3.166 / 2nd 2.125 / 3rd 1.631 / 4th 1.333 / 5th .173 / 6th 1.083 |
| Frame | Aluminum angular pipe double cradle |
| Front Suspension | Telescopic forks |
| Rear Suspension | Full floater swing arm, non-adjustable |
| Front Brakes | 2 x Discs, 4 piston calipers |
| Rear Brakes | Single disc, 2 piston caliper |
| Front Tyre | 110/70-R17 53H |
| Rear Tyre | 140/60-R18 64H |
| Rake | 27 degrees 25′ |
| Trail | 96 mm / 3.7 in |
| Dimensions | Length 1995 mm / 78.5 in Width 695 mm / 27.4 in Height 1110 mm / 43.7 in |
| Wheelbase | 1375 mm / 54.1 in |
| Ground Clearance | 125 mm / 4.9 in |
| Seat Height | 735 mm / 28.9 in |
| Dry Weight | 160 kg / 352 lbs |
| Fuel Capacity | 15 Litres / 3.96 US gal / 3.3 Imp gal |
| Standing 1/4 Mile | 12.7 sec |
| Top Speed | 194 km/h / 120.4 mph |
