The 4-Stroke 10 Tooth Drive Sprocket is for the 4-stroke Flying Horse 5G and Huasheng 142F bicycle engine kit transmissions
To install remove the locking clip and unthread the existing sprocket. Thread the new sprocket on to the drive shaft and put the securing clip back on
Compatible with 415 heavy duty bicycle engine chains, along with 410 bicycle engine kit chains
Note: This 10 tooth drive sprocket will only work for 4-stroke engine kits with chain driven transmissions. Not compatible with 2-strokes or belt driven 4-stroke transmissions Product Description
Most 4-stroke bicycle engine kits have 10 tooth drive sprockets. This drive sprocket threads on to the end of the 4-stroke transmission’s drive shaft, located on it’s transmission and is locked in place with a clip (clip not included). Perfect for all Huasheng 142 and 142F engine kits and transmissions. Note: 4-stroke drive sprockets are compatible with 415 chains. Some filing of the teeth may be necessary, as some chains skip if teeth are too long.