The Honda XR250R (1979-80) is a four-stroke, single-cylinder SOHC 249cc motorcycle with a 9.6:1 compression ratio and 2x 30.5 mm piston valve Keihin induction. It has a capacitor-discharge ignition and a kick start. The bike generates a maximum power of 30 hp @ 9000 rpm and a maximum torque of 24.5 Nm @ 7500 rpm. The clutch is wet with four friction discs and it has a 5-speed transmission with a chain final drive. The front suspension comprises leading axel hydraulic forks with 38mm diameter and rear suspension has inverted lay-down gas-charged shocks with three-step spring pre-load. The bike has a drum brake in both the front and rear and uses DID shoulderless aluminum alloy wheels with a wheelbase of 1400mm. The castor angle is 26.5 degrees and it has a ground clearance of 280mm. The fuel capacity of the bike is 9.8 Litres / 2.6 US gal with dry weight of 114.5 kg / 252.5 lbs. Overall, the Honda XR250R is a powerful off-road bike with great suspension and good ground clearance.
Technical specifications:
Make Model: Honda XR 250
| Year | 1979-80 |
|---|---|
| Engine | Four stroke, single cylinder SOHC, 4 valve |
| Capacity | 249 cc / 15.2 cu-in |
| Bore x Stroke | 74 x 57.8 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.6:1 |
| Induction | 2x 30.5 mm piston valve Keihin |
| Ignition | Capasitor-Discharge |
| Spark Plug | D&EA, Plug gap .028 |
| Starting | Kick |
| Max Power | 30 hp / 21.9 kW @ 9000 rpm |
| Max Torque | 24.5 Nm / 18 ft-lb @ 7500 rpm |
| Clutch | Wet, four friction discs |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Sprockets | Front 13 T Rear 53 T |
| Front Suspension | Leading axel hydraulic 38mm forks |
| Front Wheel Travel | 223.5 mm / 8.8 in |
| Rear Suspension | Inverted lay-down gas-charged shocks, three step spring pre-load |
| Rear Wheel Travel | 198 mm / 7.8 in |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Wheels | DID shoulderless aluminum alloy |
| Front Tyre | 3.00-23 |
| Rear Tyre | 4.60-18 |
| Castor Angle | 26.5 degrees |
| Dimensions | Length 2210 mm / 87 in Width 874 mm / 34.4 in Height 1210mm / 47.6 in |
| Wheelbase | 1400 mm / 55.1 in |
| Footpeg Height | 356 mm / 14 in |
| Ground Clearance | 280 mm / 11 in |
| Dry Weight | 114.5 kg / 252.5 lbs |
| Fuel Capacity | 9.8 Litres / 2.6 US gal |
