High quality 170cc bore kit that shows substantial power gains throughout the RPM range. 63mm piston. 10.5:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets, High performance camshaft. 26mm Keihin carb kit. Includes custom BBR manifold adapter, 26mm Mikuni carb, UNI Air Filter, Air box vents, throttle and cable.
- Brand new high quality BBR aluminum cylinder
- 10.5:1 compression ratio
- 63mm piston
- Includes cylinder, piston, pin, rings, and gaskets
- BBR Performance Camshaft
- 26mm Mikuni carburetor
- UNI Air Filter
- Air box Vents
- Pre-jetted for most big-bore applications
- CNC machined manifold adapter
- Includes throttle and cable
"We've been testing this kit for the last 3 months on our BBR KLX140 Concept Bike. This is flat out the single best mod you can do to your KLX140 motor." - Duane Brown
BBR General Jetting Guidelines Chart
Stock KLX140 - 58.0mm bore, 54.4mm stroke
