Yamaha RD 250 (1977) technical specifications
Yamaha RD 250 is produced in 1977. Engine is Two stroke, torque induction, parallel twin, displacement 247 cc / 15.0 cu-in , produces power 30 hp / 22.3 kW @ 7500 rpm and 21 lb-ft / 2.9 kgf-m @ 7000 rpm. Yamaha RD 250 weighs 152 kg / 335 lbs. Yamaha RD 250 has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | RD 250 |
| Years: | 1977 |
| Engine: | Two stroke, torque induction, parallel twin |
| Capacity: | 247 cc / 15.0 cu-in |
| Bore x Stroke: | 54 х 54 mm |
| Cooling System: | Air cooled |
| Compression Ratio: | 6.7:1 |
| Lubrication: | Autolube |
| Induction: | 2x Mikuni VM28 SC carburetor |
| Ignition: | Battery and coil with breaker points |
| Starting: | Kick |
| Max Power: | 30 hp / 22.3 kW @ 7500 rpm |
| Max Torque: | 21 lb-ft / 2.9 kgf-m @ 7000 rpm |
| Clutch: | Wet multi-plate |
| Transmission: | 6 Speed |
| Final Drive: | Chain |
| Gear Ratio: | 1st 19.67 / 2nd 13.6 / 3rd 10.08 4th 7.59 / 5th 6.79 / 6th 6.01 |
| Front Suspension: | Telescopic forks |
| Rear Suspension: | Dual shocks |
| Front Brakes: | Single 267mm disc |
| Rear Brakes: | Single 267mm disc |
| Front Tyre: | 3.00S-18-4PR |
| Rear Tyre: | 3.50S-18-4PR |
| Dimensions: | Length 1995 mm / 78.5 in Width 830 mm / 32.6 in Height 1085 mm / 42.7 in |
| Wheelbase: | 1325 mm / 52.1 in |
| Ground Clearance: | 150 mm / 5.9 in |
| Dry Weight: | 152 kg / 335 lbs |
| Fuel Capacity: | 16.5 Liters / 4.2 US gal |
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