Replacement Piston and Rings - 186cc/66mm Big Bore Kit - KLX140/L/G flo yellow This includes everything you need

This includes everything you need for a tune up

*Note* – on some models

Designed with precision fit and function

The Black and Red versions are an anodized finish

The stock suspension is too soft for most adults

Replacement Piston and Rings - 186cc/66mm Big Bore Kit - KLX140/L/G flo yellow This includes everything you needReplacement Piston and Rings for the BRT 186cc 66mm Big Bore Kit KLX140 L G High Compression Forged Piston This is a brand new 66mm forged piston used on the BRT big bore kits for KLX140 L G 2008 Current Includes: Wrist Pin Rings Clips and 66mm FORGED piston Piston pin is 14mm We also have performance CDI's to increase rpm limiter, bigger carburetors, high compression piston kits, racing exhausts, custom stroker crankshaft, etc.