EngineEngine Type4-stroke, DOHC, 45-deg. parallel twinDisplacement638ccBore and Stroke2.97 in. x 2.81 in. (75.5mm x 71.3mm)CoolingLiquidCompression Ratio11.2 : 1Fuel SystemSuzuki Fuel injectionIgnitionElectronic ignition (Transistorized)
EngineEngine Type4-stroke, single-cylinder, SOHCDisplacement200ccBore and Stroke2.717 in. x 2.102 in. (63.0 mm x 53.4 mm)CoolingLiquidCompression Ratio11.0 : 1Fuel SystemSuzuki Fuel injectionIgnitionElectronic ignition (Transistorized)