Suzuki GSX-R400R SPII (1990)

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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

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