The Kawasaki GPZ305 Belt Drive (reduced effect 2) motorcycle specifications include a 306 cc (18.67 cu in) engine, a 6-speed gearbox, and a listed weight of 164 kg (361.6 lb).
Key specifications
Year-specific specification changes
How the Kawasaki GPZ305 Belt Drive (reduced effect 2) compares
This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.
About 55% lower than the Kawasaki database average. Around the 28th percentile across Kawasaki models.
About 21% lighter than the Kawasaki database average. Around the 27th percentile across Kawasaki models.
About 8% larger than the Kawasaki database average. Around the 48th percentile across Kawasaki models.
Kawasaki database percentile rankings
Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.
306 cc — larger displacement than about 28% of Kawasaki models.
164 kg — heavier than about 27% of Kawasaki models, or lighter than about 73%.
16.5 L — larger than about 48% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-18 |
|---|---|
| Rear tire size | 110/80-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 18 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.16:1 (Oversquare) |
Model information
| Category | Sport |
|---|
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 306 cc (18.67 cu in) |
| Bore × stroke | 61.0 x 52.4 mm (2.4 x 2.1 inches) |
| Compression ratio | 9.7:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Overhead Cams (OHC) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Belt (final drive) |
Brakes, wheels and tires
| Front brakes | Dual disc |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 90/90-18 |
| Rear tire | 110/80-18 |
Dimensions and weight
| Wet weight | 164 kg (361.6 lb) |
|---|
Fuel and emissions
| Fuel capacity | 16.50 L (4.36 US gal) |
|---|
Performance
| Top speed | 125.0 km/h (77.7 mph) |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.