1990 Yamaha R1-Z technical specifications
Technical specifications
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|---|---|
| Model: | R1-Z |
| Years: | 1990-91 |
| Engine: | Two stroke, parallel twin cylinder |
| Capacity: | 247 cc / 15.1 cu-in |
| Bore x Stroke: | 56.4 × 50.5mm |
| Cooling System: | Liquid cooled |
| Compression Ratio: | 6.4:1 |
| Induction: | Carburetor |
| Ignition: | CDI |
| Starting: | Electric |
| Max Power: | 45 hp / 33.5 kW @ 9500r pm |
| Max Torque: | 3.7 kg-m @ 8500 rpm |
| Clutch: | Wet multi-plate |
| Transmission: | 6 Speed |
| Final Drive: | Chain |
| Front Suspension: | Telescopic |
| Rear Suspension: | Swinging arm |
| Front Brakes: | 2x discs |
| Rear Brakes: | Single disc |
| Front Tyre: | 110/70-17 |
| Rear Tyre: | 140/70-17 |
| Seat Height: | 755 mm / 29.7 in |
| Dry Weight: | 133 kg / 294 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal |