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.
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 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