Kawasaki GPX 750R (1986-87)
The Kawasaki GPX 750R was a motorcycle produced from 1986-87. It had a four-stroke, transverse four-cylinder engine with a capacity of 742 cc, featuring DOHC and four valves per cylinder. The bike was liquid-cooled and had a compression ratio of 11.2:1 with a wet sump lubrication system. The induction consisted of 4x 34mm Keihin CV carburetors and used TCI (Transistor Controlled Ignition) for ignition. It had a maximum power of 106 hp / 74.5 kW @ 10500 rpm and a maximum torque of 77.8 Nm / 57.3 lb-ft @ 8500 rpm with an electric starting system. The GPX 750R also had a wet, multiple disc, cable-operated clutch and a 6-speed transmission. The bike’s frame was made of steel, with a double cradle frame, and its front suspension was 38mm Telehydraulic forks electrically activated anti-dive. The rear suspension was a unit-track air-assisted 4-way rebound damping adjustment. The front brakes consisted of 2x 270mm discs 4 piston calipers, and the rear brakes had a single 230mm disc 2 piston caliper. The GPX 750R had a wheelbase of 1495 mm / 58.6 in, a dry weight of 195 kg / 430 lbs, and a wet weight of 220 kg / 485 lbs. It held 21 litres / 5.5 US gallons of fuel and had an average fuel consumption of 16.2 km/lit. Its braking distance from 60-0 / 100-0 was 14.0 m / 40.5 m, and it took 11.1 seconds to complete the standing 1/4 mile, reaching 193.2 km/h. The GPX 750R had a top speed of 238.7 km/h.
Technical specifications:
Make Model: Kawasaki GPX 750R
Year: 1986 – 87
Engine: Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder
Capacity: 742 cc / 45.6 cu-in
Bore x Stroke: 68 x 51.5 mm
Cooling System: Liquid cooled
Compression Ratio: 11.2:1
Lubrication: Wet sump
Induction: 4x 34mm Keihin CV carburetors
Ignition: TCI (Transistor Controlled Ignition)
Starting: Elctric
Max Power: 106 hp / 74.5 kW @ 10500 rpm
Max Power Rear Tyre: 90.4 hp @ 10200 rpm
Max Torque: 77.8 Nm / 57.3 lb-ft @ 8500 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 6 Speed
Final Drive: Chain
Frame: Steel, Double cradle frame
Front Suspension: 38mm Telehydraulic forks electrically activated anti-dive
Rear Suspension: Unit-track air assisted 4-way rebound damping adjustment.
Front Brakes: 2x 270mm discs 4 piston calipers
Rear Brakes: Single 230mm disc 2 piston caliper
Front Tyre: 110/90-16
Rear Tyre: 140/70-18
Wheelbase: 1495 mm / 58.6 in
Dry Weight: 195 kg / 430 lbs
Wet Weight: 220 kg / 485 lbs
Fuel Capacity: 21 Litres / 5.5 US gal
Consumption Average: 16.2 km/lit
Braking 60 – 0 / 100 – 0: 14.0 m / 40.5 m
Standing 1/4 Mile: 11.1 sec / 193.2 km/h
Top Speed: 238.7 km/h
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