The Honda NSR250SE MC21 is a two-stroke, 90-degree V-twin cylinder motorcycle with a capacity of 249 cc. It has a compression ratio of 7.3:1 and a maximum power of 45 hp at 9500 rpm, and a maximum torque of 35 Nm at 8500 rpm. The bike has a six-speed constant mesh transmission and a chain final drive. It has an aluminum tube type frame, with 41mm telescopic front suspension, and a single shock swingarm rear suspension. The front brakes have two piston calipers and the rear brakes have one piston caliper. The bike has a length of 1975 mm, width of 655 mm, and height of 1060 mm, with a wheelbase of 1345 mm and a dry weight of 132 kg. The fuel capacity is 16 litres. The Honda NSR250SE MC21 has been reviewed on nsr250.net, with reviews covering type I, type II, technical details, and an overall review.
Technical specifications:
Make Model: Honda NSR 250SE MC21
| Year | 1991 |
|---|---|
| Engine | Two stroke, 90 degreesV-twin cylinder, reed valve/exhaust valve |
| Capacity | 249 c / 15.2 cu-in |
| Bore x Stroke | 54 x 54.5 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 7.3: 1 |
| Induction | TA20 Carburetor Type |
| Lubrication | Seperate Pump (engine) splash type (transmission) |
| Ignition | PGM-CDI |
| Starting | Kick |
| Max Power | 45 hp / 32.8 kW @ 9500 rpm |
| Max Torque | 35 Nm / 25.8 ft-lb @ 8500 rpm |
| Clutch | Multi-plate, coil spring |
| Transmission | Constant Mesh 6-speed |
| Final Drive | Chain |
| Gear Ratio | 1st: 2.642 / 2nd: 1.800 / 3rd: 1.380 / 4th: 1.125 / 5th: 1.000 / 6th: 0.916 |
| Frame | Aluminum tube type frame |
| Front Suspension | 41mm Telescopic air valve semi-adjustable |
| Rear Suspension | Rear: Pro-Link Single shock swingarm non-adjustable |
| Front Brakes | 2x discs 2 piston calipers |
| Rear Brakes | Single disc 1 piston caliper |
| Front Tyre | 110/70-17 53 H |
| Rear Tyre | 150/60-R18 67 H |
| Rake | 23 degrees15 |
| Trail | 87 mm / 3.4 in |
| Dimensions | Length 1975 mm / 77.7 in Width 655 mm / 25.7 in Height 1060 mm / 41.7 in |
| Wheelbase | 1345 mm / 52.9 in |
| Seat Height | 770 mm / 30.3 in |
| Ground Clearance | 135 mm / 5.3 in |
| Dry Weight | 132 kg / 291.8 lbs |
| Wet Weight | 151 kg / 337 lbs |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Review | Type I / Type II / Technical / nsr250.net |
