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.

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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