A perfect combination. The 150 SX unifies the playful handling of a 125 with a level of power which comes close to that of a 250. The extensive overhaul of engine and chassis and its unbeatable ease of servicing make this bike a real yardstick for all opponents. Engine: 1-cylinder, 2-stroke, exhaust control. Displacement: 143.6 cc. Bore x Stroke: 2.21 x 2.3 in. (56 x 58.5 mm). Carburetion: Keihin PWK-S 38 AG. Starting: Kick-start. Clutch: Wet multi-disc, operated hydraulically. Cooling: Liquid-cooled. Ignition: Kokusan. Lubrication: Mixture oil 1:40. DIMENSIONS Weight: 200.2 lbs. (90.8 kg) (without fuel). Ground Clearance: 15.35 in. (390 mm). Frame: Central double-cradle-type 25CrMo4. Subframe: Aluminum Wheelbase: 57.91 ± 0.39 in. (1,471 ± 10 mm). Fuel Capacity: 1.82 gal. (8 l). Seat Height: 38.8 in. (985 mm). DRIVETRAIN Transmission: 6-gears. Primary Drive: 23:73. Final Drive: 14:50. Suspension Front: 1.89 in. (48 mm) WP USD; 11.81 in. (300 mm)travel. Rear: WP PDS shock absorber; 13.19 in. (335 mm) travel. Brakes Front: 10.24 in. (260 mm) disc. Rear: 8.66 in. (220 mm) disc. Tires Front: 80 / 100-21 in. Rear: 100 / 90-19 in.