Honda NSR 250R MC18 (1988)

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The Honda NSR 250R MC18 motorcycle was produced in 1988 and features a two-stroke V-twin cylinder engine with a capacity of 249cc. It has a liquid cooling system and compression ratio of 6.2:1. The bike has a maximum power of 45 horsepower at 9500 rpm and maximum torque of 35 Nm at 8500 rpm. The transmission is a constant mesh 6-speed with a wet plate clutch and chain final drive. The frame is made of aluminum tube and the front suspension is telescopic air valve semi-adjustable. The rear suspension is a single shock swingarm. The front brakes are dual discs with 2 piston calipers and the rear brake is a single disc with 1 piston caliper. It has a 23 degree rake and a trail of 87 mm. The bike measures 2035 mm in length, 705 mm in width, and 1105 mm in height, with a wheelbase of 1360 mm and a dry weight of 125 kg. The fuel capacity is 16 litres, and it has a seat height of 750 mm and ground clearance of 135 mm. Road tests conducted by Bike Magazine in 1987 found the bike to be a good performer. Further information is available on nsr250.net.

Technical specifications:

Make Model: Honda NSR 250R MC18

Year: 1988


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: 6.2: 1
Lubrication: Injected 2-stroke oil
Exhaust: Expansion chamber, RC power valves
Induction: TA10A Carburetor Type
Ignition: CDI
Starting: Kick
Max Power: 45 hp / 32.8 kW @ 9500 rpm
Max Torque: 35 Nm / 25.8 ft-lb @ 8500 rpm
Clutch: Wet plate
Transmission: Constant Mesh 6-speed
Final Drive: Chain

Gear Ratio: 1st: 2.846 / 2nd: 1.941 / 3rd: 1.500 / 4th: 1.272 / 5th: 1.136 / 6th: 1.045
Frame: Aluminum tube type frame
Front Suspension: 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: 100/80-17 52 H
Rear Tyre: 130/70-18 63 H
Rake: 23 degrees
Trail: 87 mm / 3.4 in
Dimensions: Length 2035 mm / 80.1 in Width 705 mm / 27.7 in Height 1105 mm / 43.5 in
Wheelbase: 1360 mm / 53.5 in
Seat Height: 750 mm / 29.5 in
Ground Clearance: 135 mm / 5.3 in
Dry Weight: 125 kg / 275.5 lbs
Wet Weight: 141 kg / 310.8 lbs
Fuel Capacity: 16 Litres / 4.2 US gal
Road Test: Bike magazine Group test 1987
Related Links: Type I / Type II / Technical / nsr250.net

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