B-5 gear kit for ES engines ONLY

Use this kit to replace the B-5 crankshaft helical gear on SkyHawk Gt5A-ES and SuperRat ES Pedal start and Electric drill start engines ONLY!!!  WILL NOT FIT ANY OTHER ENGINE

B-3 CCW M6 Allen head M8 screw is CCW rotation meaning it has left hand threads as is required for ES drill start engines.  

All other engines have standard CW right hand threaded slot head M8-1 screws. 

Instructions are include with kit.

Includes Star washer and Key