How to Install a GY6 Big Bore Kit - Full Length HD Video

This is a full length video that shows how to install a big bore kit on a GY6. This video can also be used as a step by step guide to rebuild the top end of the engine on your GY6. In this video, we will show you step by step how to install a big bore kit on your GY6 engine. We are experts on the GY6! Learn what took us years to learn in under 30 minutes. We will share with you all the tips and tricks we learned over the years to make the job even easier. This is a step by step video. No general ideas here like you find in service manuals. Enjoy :-) This video will cover: - disassembly - piston ring install - piston install - piston pin install - circlip install - cylinder install - cylinder head install - cam install - timing - torque settings - valve adjustment  EVERYTHING YOU NEED TO KNOW TO INSTALL YOUR BIG BORE KIT ON A SCOOTER, BUGGY, OR ATV. This video applies to all GY6 engines: GY6 “A” or “B” motors, 125cc, 150cc, 171cc, 180cc, 190cc, 216cc, 232cc, QMJ152, QMJ157, and many man