The Honda NSR 250SP MC21 is a two-stroke motorcycle with a 249 cc V-twin engine, capable of 45 horsepower and 35 Nm of torque. It has a kick-start ignition system and a constant mesh 6-speed transmission with a chain final drive. The frame is made of aluminum tubing and the suspension consists of a 41mm telescopic front fork and a Pro-Link single shock swingarm in the rear. The brakes consist of two discs with 2-piston calipers in the front and a single disc with a 1-piston caliper in the rear. The motorcycle has a 23 degree 15 rake and 87 mm trail with a length of 1975 mm, a width of 655 mm, and a height of 1060 mm. The wheelbase is 1345 mm and the seat height is 770 mm. The dry weight is 132 kg while the wet weight is 151 kg with a 16 liter fuel capacity. This motorcycle was produced in 1991-92 and is known for its high performance on the road.
Technical specifications:
Make Model: Honda NSR 250SP MC21
| Year | 1991 – 92 |
|---|---|
| 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 |
| Related Links | Type I / Type II / Technical / nsr250.net |
| Road Test | Motosprint 1991 |
