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Honda Z50 XR70 CRF70 CT70 88cc Big Bore Kit WithOil Pump! TB Parts TBW0929
TB Parts Honda Z50/XR70/CRF70/CT70 88cc Complete Big Bore Kit With High Flow Oil Pump! TB Parts 88cc Big Bore Kit for Honda Z50/XR70/CRF70/CT70 - See Years Below! Add some performance to your pit bike!
High quality parts that you have come to expect from TB Parts. This is a bolt on kit with no case boring required. Comes with everything you need to install as shown.
This is a 52mm bore - we also carry replacement pistons, rings, and gaskets for these kits. Bolt on some power and make your 50/70 way more fun to ride. We are including the TB high flow oil pump in this listing. It is recommended when installing any big bore to your 50 or 70. It saves a ton of time installing the oil pump at the same time since removing the cylinder is required to install the oil pump. Some key features of this kit. Lightweight aluminum cylinder with steel sleeve. Cast in mounts on cylinder for aftermarket skid plates. Oversized cooling fins on cylinder for efficient heat dissipation. High compression 52mm piston with rings, pin, & clips.Head/Base gasket kit, With exhaust gasket. High Flow Oil Pump included! 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 and jetted properly. Send us a message and we can put together a custom parts package for you!
Have any questions or concerns? Please send us a message and we will gladly help with any questions you may have.We have been in the motorcycle parts industry for over a decade and are here to help.