YAMAHA R1-Z (1990-1991) Specs, Performance & Photos
Maintained by:
Segment: Naked / Road
Production years: 1990, 1991
2 Photos
R1 is ready to launch after redesigning the Genesis engine to create a more compact engine by lifting the transaxle input shaft and allowing the transaxle output shaft to be located below it. This Yamaha R1-Z 250 is packed full of punch running it's liquid cooled, two strokes, parallel twin cylinder engine. The fuel is driven to the engine by the four 40 mm Keihin CV carburetors. Twin front disc with disc also fitted to the rear and K2 Tec exhaust system.
YAMAHA R1-Z 1990-1991
YAMAHA R1-Z 250
| engine specs | Type: | Parallel Twin, liquid-cooled, two-stroke, crankcase reed valve | Displacement: | 249 cm3 | Bore X Stroke: | 2.2x2.0 in OR 56 mm | Compression Ratio: | 6.4:1 | Horsepower: | 49/9500 KW(hp)/RPM | Torque: | NaN/8500 lb-ft/RPM OR 0 Nm/RPM | Fuel System: | Carburetor |
|---|
| transmission specs | Gearbox: | 6-Speed manual | Clutch: | Wet multi-plate | Primary Drive: | - | Final Drive: | Chain |
|---|
| chassis specs | Frame: | - | Front Suspension: | Telescopic | Rear Suspension: | Swinging arm | Front Brake: | Double discs | Rear Brake: | Single disc |
|---|
| dimension specs | Overall Length: | 78.9 in OR 2004 mm | Overall Width: | 27.6 in OR 701 mm | Seat Height: | 30.5 in OR 775 mm | Wheelbase: | 54.3 in OR 1379 mm | Ground Clearance: | 5.3 in OR 135 mm | Weight: | - | Fuel Capacity: | 4.5 gallons OR 17.0 L |
|---|
| tyres specs | Front: | 110/70-17 | Rear: | 140/70-17 |
|---|
| power system specs | Power pack: | - | Nominal Capacity: | - | Maximum Capacity: | - | Charger type: | - | Charging time (normal): | - | Charging time (quick): | - | Range: | - |
|---|