Honda NR 250SP Rothmans Replica (1992)

The Honda NSR 250SP Rothmans Replica MC21 is a motorcycle produced in 1992 with a two-stroke, 90-degree V-twin cylinder engine, and a capacity of 249cc. It has a liquid-cooled cooling system, 6-speed transmission with a multi-plate coil spring clutch and a chain final drive. The motorcycle has a maximum power of 45 horsepower and a maximum torque of 35 Nm at 8500 RPM. The frame of the bike is an aluminum tube-type, and it has semi-adjustable front suspension with 41mm telescopic air valves, and a rear suspension with pro-link single shock swingarm. The front brakes of the motorcycle are 2x discs with 2 piston calipers, while the rear brake is a single disc with 1 piston caliper. The bike has a ground clearance of 135mm, a seat height of 770mm and a fuel capacity of 16 litres. Overall, it has a dry weight of 132kg and a wet weight of 151kg. The Honda NSR 250SP Rothmans Replica MC21 was road tested by Motosprint in 1991 and related links and technical information can be found on nsr250.net.

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Technical specifications:

Make Model: Honda NSR 250SP Rothmans ReplicaMC21

Year: 1992

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

Related Links: Type I / Type II / Technical / nsr250.net

Road Test: Motosprint 1991