Suzuki RMX 250S (1991-92)

The Suzuki RMX 250S is a two-stroke, single-cylinder motorcycle with a capacity of 249cc. It has a compression ratio of 9.9-9.2-8.1:1 and is liquid-cooled. The lubrication system is fuel/oil premix of 20:1, and it uses a Mikuni TM38SS carburetor for induction. The ignition is Suzuki PEI, and it starts with a kick. The maximum power of the bike is 38 kW / 51 hp at 9000 rpm, and the maximum torque is 46.6 Nm / 4.75 kgf-m / 34.4 lb-ft at 7000 rpm.

The clutch is wet and cable operated, and it has a five-speed constant mesh transmission. The final drive is a chain. The front suspension is inverted telescopic with pneumatic/coil spring and oil dampening, and the rear suspension is link-type with spring preload fully adjustable. The front and rear brakes are both single disc.

The front tire is 80/100-R21 51M, and the rear tire is 110/100-R18 64M. The bike’s dimensions are a length of 2185 mm / 86.0 in, a width of 895 mm / 35.2 in, and a height of 1255 mm / 49.4 in. It has a wheelbase of 1485 mm / 58.5 in, a ground clearance of 360 mm / 14.2 in, and a seat height of 955 mm / 37.6 in. The dry weight is 108 kg / 238 lbs, and the fuel capacity is 11 L / 2.9 US gal / 2.4 Imp gal.

Technical specifications:

Make Model: Suzuki RMX 250S

Year: 1991-92
Engine: Two stroke, single cylinder
Capacity: 249 cc / 15.2 cu in
Bore x Stroke: 67 mm x 70.8 mm
Compression Ratio: 9.9 – 9.2 – 8.1:1
Cooling System: Liquid cooled
Lubrication System: Fuel/oil premix of 20:1
Induction: Mikuni TM38SS carburetor
Ignition: Suzuki PEI
Starting: Kick
Spark Plug: NGK BR9EV
Max Power: 38 kW / 51 hp @ 9000 rpm
Max Torque: 46.6 Nm / / 4.75 kgf-m / 34.4 lb-ft @ 7000 rpm
Clutch: Wet, cable operated
Transmission: 5 Speed constant mesh
Final Drive: Chain
Front Suspension: Inverted telescopic, pneumatic/coil spring, oil dampened, 21 way compression dampening, 21 way rebound dampening
Rear Suspension: Link-type, spring preload fully adjustable, 18 way compression dampening, 21 way rebound dampening
Front Brakes: Single disc
Rear Brakes: Single disc
Front Tyre: 80/100 – R21 51M
Rear Tyre: 110/100 – R18 64M
Dimensions: Length: 2185 mm / 86.0 in Width: 895 mm / 35.2 in Height 1255 mm – 49.4 in
Wheelbase: 1,485 mm / 58.5 in
Ground Clearance: 360 mm / 14.2 in
Seat Height: 955 mm / 37.6 in
Dry Weight: 108 kg / 238 lbs
Fuel Capacity: 11 L / 2.9 US gal / 2.4 Imp gal