Suzuki DR 250S (1984-88)

The Suzuki DR 250S motorcycle was produced from 1984 to 1988, featuring a four-stroke, single cylinder, SOHC engine with 4 valves and TSCC technology. It had a capacity of 249 cc and a compression ratio of 8.9:1. The engine was air-cooled and used a wet sump lubrication system, with a Mikuni BS34SS carburetor for induction and a Suzuki PEI ignition system. The bike had a maximum power output of 16.5 kW at 8500 rpm and a maximum torque of 19.5 Nm at 6500 rpm.

The clutch was a wet, multi-plate design and the transmission had 5 speeds with constant mesh. The final drive was via a chain. The front suspension was provided by air/oil telescopic forks, with 148 mm of wheel travel. The rear suspension featured a gas/oil full floater design with preload and damping adjustability and also had 148 mm of wheel travel. The front brake was disc and hydraulically operated, while the rear brake was a drum type that used internal expanding. The front tire was a 3.00-21, 4PR.

Technical specifications:

Make Model: Suzuki DR 250S

Year: 1984 – 88
Engine: Four stroke, single cylinder, SOHC, 4 valves, TSCC
Capacity: 249 cc / 15.2 cu in
Bore x Stroke: 72 61.2 mm
Compression Ratio: 8.9:1
Cooling System: Air cooled
Lubrication System: Wet sump
Induction: Mikuni BS34SS carburetor
Ignition: Suzuki PEI
Starting: Kick
Max Power: 16.5 kW / 22 hp @ 8500 rpm
Max Torque: 19.5 Nm / 2.0 kgf-m / 14.5 lb-ft @6500 rpm
Clutch: Wet, multi-plate
Transmission: 5 Speed, constant mesh
Final Drive: Chain
Front Suspension: Air/oil telescopic forks
Front Wheel Travel: 148 mm / 5.8″
Rear Suspension: Gas/oil full floater, preload and damping adjustable, 148mm wheel travel
Rear Wheel Travel: 148 mm / 5.8″
Front Brakes: Disc, hydraulically operated
Rear Brakes: Drum, internal expanding
Front Tyre: 3.00-21, 4PR