Sportbikes
1983Kawasaki GPZ 305
19 fields on record
The 1983 Kawasaki GPZ 305 is an accessible middleweight sport bike ideal for novice riders seeking affordable performance. Its lightweight 306cc twin-cylinder engine delivers 27 horsepower with nimble handling characteristics. Best known for combining genuine sports styling with beginner-friendly ergonomics and fuel efficiency, it remains a classic entry-level sportster.
- Capacity
- 306.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 6-speed
- Wet weight
- 164.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 27.0 HP (19.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a lightweight sport-styled commuter, it favors nimble city riding and light spirited backroad use over outright performance.
- Built for
- It has the charming, buzzy character of an air-cooled parallel-twin from the early 80s, rewarding smooth, momentum-based riding rather than raw power.
- Not ideal for
- It is not the right choice for riders seeking highway-speed touring comfort, two-up long-distance travel, 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.
Engine
- Capacity
- 306.0 ccm
- Power
- 27.0 HP (19.9 kW)
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.1646 HP/kg (wet)
- 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
- Chain
Performance
- Top speed
- 152.0 km/h (94.4 mph)
Dimensions & weight
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.
Rider Reviews
Common questions
What is the engine size of the Kawasaki GPZ 305?
The 1983 Kawasaki GPZ 305 has a Capacity of 306.0 ccm (18.67 cubic inches).
What engine power does the Kawasaki GPZ 305 have?
The 1983 Kawasaki GPZ 305 has a Power of 27.0 HP (19.9 kW).
How many gears does the Kawasaki GPZ 305 have?
The 1983 Kawasaki GPZ 305 has a Gearbox of 6-speed.
How much does the Kawasaki GPZ 305 weigh?
The 1983 Kawasaki GPZ 305 has a Wet weight of 164.0 kg (361.6 pounds).
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