Categories: Yamaha

Yamaha RD250 (1976)

The Yamaha RD250 is a classic motorcycle from 1976 with a two-stroke, torque induction parallel twin engine, and a capacity of 247cc. The bike features an air-cooled system and a compression ratio of 6.7:1. The autolube lubrication system is complemented by Mikuni VM28 SC carburettors and battery/coil ignition with breaker points. The machine has a maximum power of 22.3 kW at 7500 rpm and a maximum torque of 2.9 kgf-m at 7000 rpm. The transmission is a 6-speed, wet multi-plate clutch, and the bike has a final drive system of a chain. The front and rear suspension systems are telescopic forks and dual shocks, respectively. The front brake is a single disc, and the rear brake is a drum. The bike’s wheels feature a 3.00S-18-4PR front tire and a 3.50S-18-4PR rear tire. The dimensions of the bike are 2030 mm in length, 830 mm in width, and 1085 mm in height. The wheelbase measures 1325 mm, and the dry weight of the motorcycle is 152 kg. The fuel tank capacity is 16.5 liters or 4.2 US gallons. The Yamaha RD250 is a classic motorcycle that continues to be admired by enthusiasts and collectors alike.


Technical specifications:

Make Model: Yamaha RD 250

Year: 1976
Engine: Two stroke, torque induction, parallel twin
Capacity: 247 cc / 15.0 cu-in
Bore x Stroke: 54 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 disc
Rear Brakes: Drum
Front Tyre: 3.00S-18-4PR
Rear Tyre: 3.50S-18-4PR
Dimensions: Length 2030 mm / 79.9 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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