Clutch release mechanism is located behind generator cover for protection from debris and consistent operation. New clutch basket uses different assembly method to mount the drive gear to the basket. New stiffer kick-start lever has a revised shape and mounting angle for improved durability. New water pump impeller increases coolant circulation for improved high-rpm operation. 2005 Model 2006 Model 2005 Model 2006 Model 2005 Model 2006 Model
New, lighter magneto rotor uses powerful neodium (rare-earth) magnets to lower inertial moment from 6.5 kgcm 2 to 4.0 kgcm 2 which improves low-rpm response. The rotor boss and yoke are now unitised. The unitised piece is both smaller and more durable, offering improved overrun performance. Engine kill switch now attached with a waterproof coupler for more reliable connection. A stopper added to the oil seal of the left crankcase improves engine reliability. New gasket material for the generator cover, water pump cover and water pump elbow are changed from paper-base to metafoam ...