| MODEL | HONDA NSR 250R-SP ROTHMANS REPLICA 1988 |
| Year | 1988 |
| Engine Type | Two stroke, 90° V-twin, reed valve, exhaust valve |
| Displacement / Capacity | 249 cc / 15.2 cu in |
| Bore X Stroke | 54 x 54.5 mm |
| Compression Ratio | 6.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 32.8 kW / 45 hp @ 9500 rpm |
| Max Torque | 35 Nm / 25.8 lb-ft @ 8500 rpm |
| Ignition | CDI |
| Induction | TA10A carburettors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Injected 2-stroke oil |
| Gear Box | 6-speed, constant mesh |
| Clutch | Wet plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Aluminium tube type |
| Front Suspension | Telescopic fork, air valve, semi-adjustable |
| Rear Suspension | Pro-Link single shock swingarm, non-adjustable |
| Front Brakes | 2x discs, 2-piston calipers |
| Rear Brakes | Single disc, 1-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2035 mm / 80.1 in |
| Overall Width | 705 mm / 27.7 in |
| Overall Height | 1105 mm / 43.5 in |
| Seat Height | 750 mm / 29.5 in |
| Wheelbase | 1360 mm / 53.5 in |
| Ground Clearance | 135 mm / 5.3 in |
| Dry Weight | 125 kg / 275.5 lbs |
| Wet Weight | 141 kg / 310.8 lbs |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 52H |
| Rear Tyre | 130/70-18 63H |
| FUEL SYSTEM | |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The first NSR250R-SP was a limited version of the 1988 MC18, finished in Rothmans Honda race colours. Its main hardware change was lightweight magnesium wheels; unlike later SPs it kept the standard wet clutch. It was the bike that took the NSR's first title in Japan's SP production-racing class.
