Big Bore Kit

TB Big Bore Kit 55.5mm 130cc Cylinder Piston Yamaha TTR110 TTR 110 TT R110


TB Big Bore Kit 55.5mm 130cc Cylinder Piston Yamaha TTR110 TTR 110 TT R110

TB Big Bore Kit 55.5mm 130cc Cylinder Piston Yamaha TTR110 TTR 110 TT R110    TB Big Bore Kit 55.5mm 130cc Cylinder Piston Yamaha TTR110 TTR 110 TT R110

TB Parts Kit Consists of TBW1520, TBW1521, TBW1522. TB 130cc Big Bore Kit.

Lightweight high compression domed piston with rings, pin, & clips 91+ Octane Pump Fuel Safe! 55.5mm, this is the biggest bore kit you can install without needing machining to the cases (case boring).

These are high quality parts and definitely will dramatically increase the power and fun factor on your bike! There are no installation instructions, but if you can replace your piston, you can install this kit as the parts are installed in the same manner as the OEM parts.

However, its highly recommended that a professional install this kit and make sure its tuned properly to prevent a lean condition and damage to your engine. Can't find what you are looking for? YOU MUST REQUEST A TOTAL BEFORE PAYING. Does not include electrical or engine parts.


TB Big Bore Kit 55.5mm 130cc Cylinder Piston Yamaha TTR110 TTR 110 TT R110    TB Big Bore Kit 55.5mm 130cc Cylinder Piston Yamaha TTR110 TTR 110 TT R110