BBR KLX/DRZ110 03-09 ONLY 143cc Big Bore Kit w/cam

New aluminum cylinder with plated aluminum liner. High performance camshaft with lightweight piston. This is the largest bore kit available that does not require boring your engine cases.

• Aluminum cylinder with plated aluminum sleeve.
• BBR high-performance camshaft.
• 60mm lightweight aluminum piston.
• Includes gaskets.


Application Notes:
411-KLX-1401 includes a BBR camshaft and can be used on 2003-2009 models.
411-KLX-1402 does not include the BBR camshaft and can be used on 2003-2010 models.
411-KLX-1420 does not include the BBR camshaft and can be used on 2003-2010 models.


We have found that a very small number of KLX110's (about 1 out of 100) have cases that run a little tight and do not allow the oversize sleeved cylinder to be installed. This is a very rare case scenario and BBR has a cure for this. Please call BBR direct @ 888-668-6227.