1989Kawasaki GPZ 305 Belt Drive

19 fields on record

The 1989 Kawasaki GPZ 305 Belt Drive is an air-cooled sport-touring middleweight ideal for commuters and budget-conscious riders seeking reliable performance. Its 306cc twin-cylinder engine delivers smooth power with minimal maintenance thanks to the belt drive system. Known for nimble handling and fuel efficiency, it represents practical Japanese engineering for everyday riding.

Capacity: 306.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 6-speed
Wet weight: 164.0 kg
Seat height: Not on record
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Power: 34.0 HP (25.0 kW) @ 10000 RPM

⇄ Compare with another bike All model years

Other years 1984 1985 1986 1987 1988 1989 1990

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering55%

City riding72%

Daily riding65%

Touring40%

Two-up35%

Track15%

Best for: Designed as an easygoing all-round commuter and learner bike rather than a performance or adventure machine.
Built for: A modest, low-maintenance twin with a low-stress delivery, softened further by the low-noise, low-maintenance belt final drive.
Not ideal for: This is not the bike for riders seeking high-speed thrills, serious touring range, or any off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine

Capacity: 306.0 ccm
Power: 34.0 HP (25.0 kW) @ 10000 RPM
Engine type: Parallel Twin, four-stroke
Power/weight ratio: 0.2073 HP/kg
Bore x stroke: 61.0 x 52.4 mm
Compression: 9.7:1
Cooling system: Air
Valves per cylinder: 2
Torque: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Belt

Performance

Top speed: 152.0 km/h (94.4 mph)

Dimensions & weight

Wet weight: 164.0 kg
Fuel capacity: 16.50 litres
Seat height: Not on record - add it
Dry weight: Not on record - add it

Brakes & wheels

Front brakes: Dual disc
Rear brakes: Expanding brake
Front tyre: 90/90-18
Rear tyre: 110/80-18

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	1984	1986	1987	1989	1990
Capacity	306.00 ccm (18.67 cubic inches)	306.00 ccm (18.67 cubic inches)	306.00 ccm (18.67 cubic inches)	306.00 ccm (18.67 cubic inches)	306.00 ccm (18.67 cubic inches)
Fuel capacity	16.50 litres (4.36 gallons)	16.50 litres (4.36 gallons)	16.50 litres (4.36 gallons)	16.50 litres (4.36 gallons)	16.50 litres (4.36 gallons)