Technical specifications
|
| Model: |
RD 250 |
| Years: |
1979 |
|
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:
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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
|