Suzuki GSX-R400R (1991-92)

The Suzuki GSX-R 400R was produced from 1991 to 1992 and featured a four-stroke, transverse four-cylinder engine with DOHC and four valves per cylinder. The bike had a capacity of 398cc and a compression ratio of 11.8:1. It had Slingshot carburetors and CDI ignition, with a 12V 35/35w x 2 headlight and electric starting. The max power for the bike was 44 kW/59 hp at 11,000 RPM, with a max torque of 39.2 Nm/4.0 kgf-m/28.9 lb-ft at 9000 RPM. The transmission was a six-speed, constant mesh with a wet multi-plate clutch and chain final drive ratio of 3.066. The bike had a lightweight frame made of aluminum angular pipe double cradle with telescopic forks in the front suspension and a full floater swingarm/non-adjustable rear suspension. The front brakes were two discs with four-piston calipers, while the rear brake was a single disc with a two-piston caliper. The GSX-R 400R had front and rear tires with sizes of 110/70-R17 53H and 140/60-R18 64H, respectively. The bike had a length of 1995mm, width of 695mm, height of 1110mm, and a dry weight of 160kg. It had a fuel capacity of 15 liters and could reach a top speed of 194km/h or 120.4mph with a standing 1/4 mile time of 12.7 seconds.

Technical specifications:

Make Model: Suzuki GSX-R 400R

Year: 1991 – 92

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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