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1984 | RH250

Off-road machine with performance inherited from the Motocross World Championship winning RH

RH250

The RH250 pairs a lightweight and highly rigid semi-double cradle pipe frame with a newly designed 2-stroke liquid-cooled power reed valve engine that generates class-leading maximum horsepower of 35 PS. Sharp and quick acceleration is realized by the incorporation of a plate valve-type flat slide carburetor. The RH250 adopts a long stroke suspension at both the front and rear. This includes the Full Floater rear suspension, which realizes a superb balance between excellent ride comfort and handling. A square aluminum swingarm reduces unsprung weight and helps to enhance dynamic performance. Other features include a hydraulic front disc brake, wheels with aluminum rims and spokes, and a high-intensity headlight.

Dimensions and weight Dimensions Overall length 2,150 mm
Overall width 825 mm
Overall height 1,230 mm
Wheelbase 1,430 mm
Weight 103 kg (Dry)
Engine Engine type 2-stroke, 1-cylinder, liquid-cooled
Engine displacement 249 cm³
Bore x stroke 70.0 mm × 64.8 mm
Maximum power 25.7kW(35PS) / 7,500rpm
Maximum torque 33.3N-m / 6,500rpm
Transmission 5-speed constant mesh
Front tire size 3.00-21-4PR
Rear tire size 130/80-17 65P

1992 | RMX250S

Enduro machine developed based on the RMX250

RMX250S

The RMX250S was developed for enduro racing, which demands the ultimate in durability. It pairs a chassis designed specifically for a single rider with a 250 cm³ 2-stroke liquid-cooled 1-cylinder engine featuring a crankcase reed valve. This engine, which generates a class-leading maximum horsepower of 40 PS along with ample torque from low to high rpm ranges, is combined with the Automatic Exhaust Timing Control II (AETCII) system that adjusts exhaust pulsation over 3 levels to maintain the optimum engine output at all times. The chassis features inverted front forks and a new link-type rear suspension with a maximum stroke of 310 mm. Disc brakes are standard at the front and rear, and it also features the same transmission as the RMX250 racing machine.

Dimensions and weight Dimensions Overall length 2,205 mm
Overall width 885 mm
Overall height 1,230 mm
Wheelbase 1,475 mm
Weight 113 kg (Dry)
Engine Engine type 2-stroke, 1-cylinder, liquid-cooled
Engine displacement 249 cm³
Bore x stroke 67.0 mm × 70.8 mm
Maximum power 29.4kW(40PS) / 8,000rpm
Maximum torque 37.3N-m / 6,500rpm
Transmission 5-speed constant mesh
Front tire size 80/100-21 51P
Rear tire size 120/90-18 65P

1996 | RMX250S

Enduro machine for public roads based on the RMX250

RMX250S

The 2-stroke liquid-cooled 1-cylinder engine of the RMX250S features a crankcase reed valve and generates a class-leading maximum horsepower of 40 PS. All of the combustion system components in the engine were newly designed to further enhance its power characteristics and durability, while maintaining a superb balance between the punchy output and rideability required of an enduro race bike. The chassis frame was designed specifically for single rider enduro racing. It features a newly engineered highly rigid semi-double cradle frame of high-tensile chromium molybdenum steel, which was based on the frame of the renowned 1996 RM250 motocrosser. The chassis features new upright front forks and a new link-type rear suspension, helping to realize a nimble and comfortable ride with enhanced handling over a wide range of uses. Other features include hydraulic front and rear disc brakes, a large-capacity clutch and radiator, and a halogen headlight, which help to make this enduro model even more competitive.

Dimensions and weight Dimensions Overall length 2,270 mm
Overall width 880 mm
Overall height 1,230 mm
Wheelbase 1,475 mm
Weight 112 kg (Dry)
Engine Engine type 2-stroke, 1-cylinder, liquid-cooled
Engine displacement 249 cm³
Bore x stroke 67.0 mm × 70.8 mm
Maximum power 29.4kW(40PS) / 8,000rpm
Maximum torque 39.2N-m / 6,500rpm
Transmission 5-speed constant mesh
Front tire size 3.00-21 51P
Rear tire size 4.60-18 63P
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