Introducing the YX 140CC Pit Bike Engine, the perfect upgrade or replacement for your pit bike. Manufactured by YX, this engine is widely regarded as the best in the business. The Gen 3 engine boasts a range of features including a slightly lightened flywheel, improved ignition, and a 4-speed race pattern gearbox N-1-2-3-4 with a kick start in gear. With a bore x stroke of 56mm x 57mm, this engine delivers impressive power. Additionally, it comes with a gear lever, carb manifold, and manifold gaskets for easy installation. Upgrade your pit bike today with the YX 140CC Pit Bike Engine.
 
Factory official power figures quote 14 horsepower.
 
This will fit most pit bikes
 
We highly recommend 7-ONE Racing 10w40 Pit Bike Specific Oil for this engine. Click Here
 
Our engines have the valve clearances set before we send them out, this is for customer piece of mind.