This engine with gear box and will fit most gas mini dirt bikes, with an easy-pull-start recoil starter.
49cc pull start single cylinder, air-cooled, 2-stroke, use T8F chains.
The Engine is made from high quality material with powder coated ,anti-corrision,lightweight,durable,more stable.
High quality replacement engine,100%original manufact,easy to install&pull start.High quality replacement engine.
Fitment:Fits for the majority of gas scooters, pocket bikes, and mini choppers configured with electric start.
Specification:
100% brand new.49cc single cylinderAir-cooled2-StrokeChain:T8F (NOT include)  
Fitment:
Fits the majority of gas scooters, pocket bikes, and mini choppers configured . High quality replacement engine. 
Note:
1. Please check the size measurement chart carefully before making payment.2. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.3. Instruction is not included. 
Package included:
1 X Engine