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Honda NSR 250R MC18 (1988)

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Honda NSR 250R MC18 (1988)

At a glance

Capacity
249 c / 15.2 cu-in
Power
45 hp / 32.8 kW @ 9500 rpm
Torque
35 Nm / 25.8 ft-lb @ 8500 rpm
Seat height
750 mm / 29.5 in

The full picture.

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

Motorcycle technical specifications
Year1988
EngineTwo stroke, 90 degreesV-twin cylinder, reed valve/exhaust valve
Capacity249 c / 15.2 cu-in
Bore x Stroke54 x 54.5 mm
Cooling SystemLiquid cooled
Compression Ratio6.2: 1
LubricationInjected 2-stroke oil
ExhaustExpansion chamber, RC power valves
InductionTA10A Carburetor Type
IgnitionCDI
StartingKick
Max Power45 hp / 32.8 kW @ 9500 rpm
Max Torque35 Nm / 25.8 ft-lb @ 8500 rpm
ClutchWet plate
TransmissionConstant Mesh 6-speed
Final DriveChain
Gear Ratio1st: 2.846 / 2nd: 1.941 / 3rd: 1.500 / 4th: 1.272 / 5th: 1.136 / 6th: 1.045
FrameAluminum tube type frame
Front SuspensionTelescopic air valve semi-adjustable
Rear SuspensionRear: Pro-Link Single shock swingarm non-adjustable
Front Brakes2x discs 2 piston calipers
Rear BrakesSingle disc 1 piston caliper
Front Tyre100/80-17 52 H
Rear Tyre130/70-18 63 H
Rake23 degrees
Trail87 mm / 3.4 in
DimensionsLength 2035 mm / 80.1 in Width 705 mm / 27.7 in Height 1105 mm / 43.5 in
Wheelbase1360 mm / 53.5 in
Seat Height750 mm / 29.5 in
Ground Clearance135 mm / 5.3 in
Dry Weight125 kg / 275.5 lbs
Wet Weight141 kg / 310.8 lbs
Fuel Capacity16 Litres / 4.2 US gal
Road TestBike magazine Group test 1987
Related LinksType I / Type II / Technical / nsr250.net