Name: TB 120cc Bore Kit, 58mm – XR/CRF100
SKU: TBW9087
Availability: InStock

TB 120cc Bore Kit, 58mm – XR/CRF100

$184.99

TB 120cc Bore Kit, 58mm – XR/CRF100

TBparts 120cc big bore kit for all Honda XR/CRF100. High quality and high performance! Our 58mm big bore piston will add more power! Matched with an aluminum cylinder with a strong cast in place steel sleeve. This also makes a great stock replacement option as it cost less than an OEM rebuild. Safe with pump fuel 91+ octane too!

120cc XR100 & CRF100 Big Bore Performance Kit (58mm):

Aluminum cylinder with steel sleeve
High compression 58mm piston with rings, pin, & clips (91+ octane pump fuel)
Head gasket kit

This affordable 120cc Big Bore Kit will make your XR100 or CRF100 a lot more fun to ride by adding some much needed power. This kit does not require boring of the case – simply bolt on and go!!

There are no installation instructions, but if you can replace your piston, you can install this kit. If you don’t have any experience working on your engine, we highly recommend the Clymer’s repair manual or something similar. The parts are installed in the exact same manner as the stock Honda parts.

Base tune – 40/105

TBparts.com is the only distributor of our products and the parts are shipped directly from the manufacturing facility to us. When a product is purchased from us, it has not gone through several middlemen and thus, the savings goes to the consumer. Additionally, to keep prices down, we use basic packaging and installation instructions are not included. The end result is affordable and high quality performance parts that will add some power and excitement to your bike!