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Suzuki GSX-R400 1987 Specifications


Suzuki GSX-R400 1987 was practically the same bike as the previous year’s model. The bigger differences were new wheels, twin headlight, Gold brake calipers, paint scheme and different design of the exhaust pipe. A Special Edition was available with black/gold color scheme.

According to the Swedish Suzuki importer the Suzuki GSX-R 400 was distributed only in Japan and Sweden. For the first the model was called Suzuki GSX-R 400 in Japan, all the earlier models were called called ”GSX-R” without the ”400” ending.

Suzuki GSX-R400 1987 Specifications

Black/Gold (special edition)

Dimensions and dry mass
Type (frame code): GK71F
Overall length: 2,050 mm (80.7 in.)
Overall width: 680 mm (26.8 in.)
Overall height: 1,125 mm (44.3 in.)
Wheelbase: 1,405 mm (55.3 in.)
Ground Clearance: 135mm (5.3 in.)
Dry mass (weight): 153 kg (337 lbs)

Engine type: Liquid/oil/air-cooled DOHC inline-4, 16 valves
Bore x stroke: 56,0 mm x 40,4 mm (2.205 x 1.591 in.)
Piston displacement: 399 cc
Compression ratio: 11,5 :1
Maximum power: 59 hp/ 12,000 rpm
Maximum torque: 37 Nm (3,8 kg-m)/ 10,000 rpm
Top speed: about 200 km/h (124 mph)
Starting system: Electric starter
Lubrication system: Wet sump
Carburetor: Mikuni 27mm x 2

Clutch type: Wet multi-plate
Transmission type: 6-speed constant mesh
Gearshift pattern: 1-down, 5-up
Primary reduction ratio: 2.212
1st gear ratio: 3.166
2nd gear ratio: 2.125
3rd gear ratio: 1.631
4th gear ratio: 1.333
5th gear ratio: 1.173
6th gear ratio: 1.083
Final drive: 3.066 chain

Frame type: Aluminum angular pipe double cradle
Caster: 25º
Trail: 101 mm (4.0 in.)
Front suspension: Telescopic, coil spring, oil dampened with anti-dive
Rear suspension: Full floater suspension system, spring pre-load fully adjustable, oil dampened
Front brake: Dual hydraulic disc, four piston calipers
Rear brake: Single hydraulic disc, dual piston calipers
Front tire dimensions: 110/80V17
Rear tire dimensions: 140/80V17

Ignition type: fully transistorized
Ignition timing: 15º BTDC below at 1650 r/min and 35º BTDC above 3.500 r/min
Spark plug: ND U24FS-U or NGK C8HA
Battery: 12V 39.6 kC (11Ah)/10HR
Generator: Three-phase A.C. Generator
Fuse: 20A
Headlight: 12V 35/35w x 2
Power/weight ratio: 2,57 kg/ps
Center stand: Yes

Fuel tank: 18 l.
Reserve: 3.5 l.
Engine oil: 2.6 l.
Front fork oil (each leg): 397 ml.
Cooling solution: 2,185 ml.

Suzuki GSX-R400 1987 Image Gallery

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