Honda NSR 250R-SP MC18-II (1989)

The Honda NSR 250R-SP MC18-II is a 1989 two-stroke motorcycle with a 249cc V-twin cylinder engine and a maximum power of 45 hp at 9500 rpm. It has a constant mesh 6-speed transmission with a chain final drive and a multi-plate, coil spring clutch. The frame is made of aluminum tubes, and the front suspension is 41mm telescopic air valve semi-adjustable. The rear suspension is a Pro-Link single shock swingarm non-adjustable. The front brakes have 2x discs and 2 piston calipers, while the rear brake has a single disc and 1 piston caliper. The motorcycle has a seat height of 790mm, weight of 131 kg dry and fuel capacity of 16 liters. It is reviewed on nsr250.net in four categories: Type I, Type II, Technical and overall review.


Technical specifications:

Make Model: Honda NSR 250R-SP MC18-II

Year: 1989


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 1980 mm / 77.9 in Width 650 mm / 25.5 in Height 1060 mm / 41.7 in
Wheelbase: 1345 mm / 52.9 in
Seat Height: 790 mm / 31.1 in
Ground Clearance: 135 mm / 5.3 in
Dry Weight: 131 kg / 288.8 lbs
Wet Weight: 149 kg / 328.4 lbs
Fuel Capacity: 16 Litres / 4.2 US gal
Review: Type I / Type II / Technical / nsr250.net

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