Kawasaki GPZ1100 (1983)

The Kawasaki GPz 1100 or ZX1100 A-1 was a motorcycle produced in 1983. It had a four-stroke, transverse four-cylinder, DOHC engine with a 1089cc capacity and a compression ratio of 8.9:1. The bike was air-cooled, had digital fuel injection, and was battery-powered with inductive magnetically triggered ignition. The GPz 1100 had a maximum power output of 120 hp or 87.6 kW at 8750 rpm and a maximum torque of 10.2 kgf-m or 73.7 lb-ft at 7000 rpm. It had a 5-speed transmission and a chain final drive. The front suspension had 37mm Kayaba hydraulically activated air drive abutments for air pressure and the rear suspension was a single air-assisted shock adjustable for reload damping. The GPz 1100 had a dry weight of 244kg or 538 lbs and a wet weight of 261kg or 574.5 lbs. The fuel capacity was 20 litres or 5.2 US gallons. The standing 1/4 mile time was 11.0 seconds with a speed of 123.5 mph. A road test involving the Honda CB1100RC, Kawasaki GPZ, and Suzuki Katana was conducted in Motosprint in 1983.

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Technical specifications:

Make Model: Kawasaki GPz 1100 / ZX1100 A-1

Year: 1983

Engine: Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.

Capacity: 1089 cc / 66.4 cu-in

Bore x Stroke: 72.5 x 66 mm

Cooling System: Air cooled

Compression Ratio: 8.9:1

Induction: Digital fuel injection

Ignition: Battery powered inductive magnetically triggered.

Starting: Electric

Max Power: 120 hp / 87.6 kW @ 8750 rpm

Max Torque: 10.2 kgf-m / 73.7 lb-ft @ 7000 rpm

Transmission: 5 Speed

Final Drive: Chain

Front Suspension: 37mm Kayaba hydraulically activated air drive abutments for air pressure

Front Wheel Travel: 150 mm / 5.9 in

Rear Suspension: Single air assisted shock adjustable for reload damping

Rear Wheel Travel: 109 mm / 4.3 in

Front Brakes: 2x 236mm discs 1 piston calipers

Rear Brakes: Single 236mm disc1 caliper

Front Tyre: 110/90 V18

Rear Tyre: 130/90 V17

Dry Weight: 244 kg / 538 lbs

Wet Weight: 261 kg / 574.5 lbs

Fuel Capacity: 20 Litres / 5.2 US gal

Standing 1/4 Mile: 11.0 sec / 123.5 mph

Road Test: Honda CB1100RC-Kawasaki GPZ-Suzuki Katana 1983 Motosprint