Honda NSR250SE (1991)

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.

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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