BBR 88cc Big Bore Kit CRF/XR70 | 411-HXR-7001. Fitment:Honda XR/CRF70 (1997-2012)Engineered and developed by BBR. This cylinder retains skid plate mounts and includes: BBR aluminum cylinder, piston kit, and gaskets. The most reliable kit available. Runs great with stock carb or bolt on BBR's 18mm carb kit.Cylinder retains skid plate mountsBBR aluminum cylinder52mm piston specially designed to work with your stock cylinder head's combustion- BBR 88cc Big Bore Kit CRF/XR70 | 411-HXR-7001.
BBR 88cc Big Bore Kit XR/CRF50 | 411-HXR-5400. Technical InformationFitment:Honda XR/CRF50 (2000-Present)Convert your CRF/XR50 to an 88cc screamer with this complete kit. Everything is included to upgrade the performance of you mini-bike. This kit uses your stock CRF/XR50 cylinder head.Aluminum B... - BBR 88cc Big Bore Kit XR/CRF50 | 411-HXR-5400.
BBR 150cc Big Bore Kit w/ Cam TTR125 | 411-YTR-1201. Technical InformationFitment:Yamaha TTR125 (2000-Present)Complete kit requires no exchange. Cylinder is custom made and features the BBR logo. Includes high performance BBR MX Grind camshaft.Increased displacementHigh performance MX camshaftBBR alumi... - BBR 150cc Big Bore Kit w/ Cam TTR125 | 411-YTR-1201.
BBR 143cc Big Bore Kit w/ Cam DRZ/KLX110 | 411-KLX-1403. Technical InformationFitmentKawasaki KLX110L (2010-2016)Easy bolt-on power. This is the largest bore kit available that does not require boring your engine cases for additional cylinder sleeve clearance. New aluminum cylinder with plated aluminum lin... - BBR 143cc Big Bore Kit w/ Cam DRZ/KLX110 | 411-KLX-1403.
BBR 143cc Big Bore Kit w/ Cam KLX/DRZ110 | 411-KLX-1401. Fitment:Kawasaki KLX110 (2003-2009)Suzuki DRZ110 (2003-2005)Easy bolt-on power. This is the largest bore kit available that does not require boring your engine cases for additional cylinder sleeve clearance. New aluminum cylinder with plated aluminum... - BBR 143cc Big Bore Kit w/ Cam KLX/DRZ110 | 411-KLX-1401.
BBR 120cc Big Bore Kit XR/CRF100 | 411-HXR-1001. Technical InformationFitment:Honda XR/CRF100 (1981-2013)BBR Motorsports celebrates one of the best selling dirt bikes of all time with this high-compression 120cc big bore engine kit for the XR/CRF 100. Increased displacement, higher compressio... - BBR 120cc Big Bore Kit XR/CRF100 | 411-HXR-1001.
BBR 175cc Big Bore Kit w/ Cam CRF150F | 411-HCF-1501. Technical InformationFitment:Honda CRF150F (2003-2005)Big bore kit for the 2003-2005 CRF150F. A simple bore in bore kit that includes BBR's high performance camshaft and valve springs for added performance. This cam features higher lift and duration ... - BBR 175cc Big Bore Kit w/ Cam CRF150F | 411-HCF-1501.
BBR 132cc Big Bore Kit CRF110F | 411-HCF-1151. Fitment:Honda CRF110F (2013-Present)New! Now fits the 2019 and newer motors with EFI. Easy bolt-on power for your CRF110F. This is the largest bore kit available that does not require boring your engine cases for additional cylinder sleeve clear... - BBR 132cc Big Bore Kit CRF110F | 411-HCF-1151.