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CRF230F - 240 Big Bore Kit

 
410-HCF-2301
410-HCF-2301
 
410-HCF-2310
410-HCF-2310
 
411-HCF-1507
411-HCF-1507
 
410-HCF-2301

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CRF230F - 240 Big Bore Kit
QTY    $169.95
4 in stock now
Any additional options and/or replacement parts will be available at the bottom of this page

CRF230F - 240 Big Bore Kit

Big bore kit for the CRF230F. This is the quickest way to add power to your bike. Great when combined with our exhaust system, Rev-Box, and Free-Flow airfilter. Your OEM cylinder will need to be machined for installation.


  • 67mm piston, pin, clips, and rings
  • High compression piston
  • Includes head and base gaskets

If you want the kit to include BBR MX cam and heavy duty valve springs look at 240 Big Bore w/ Cam # 411-HCF-2301


Stock CRF230F - 65.5mm bore, 66.2mm stroke
BBR General Jetting Guidelines Chart


Tech Info

Part NumberImageDescriptionPrice 
410-HCF-2301410-HCF-2301Bore Kit - 240cc / CRF230F, 03-Present$169.95
Part NumberImageDescriptionPrice 
410-HCF-2310410-HCF-2310Gasket Kit - 240cc Big Bore Kit$39.95
411-HCF-1507411-HCF-1507Ring Set - 175/240cc Bore Kit / CRF150, 03-05 / CRF230, 03-Present$45.00
411-HCF-2305411-HCF-2305Piston Kit - 240cc Bore Kit / CRF230F, 03-Present$149.00
Part NumberImageDescriptionPrice 
411-HCF-1503411-HCF-1503Camshaft - High Performance / CRF150F, 03-05 /CRF230F, 03-Present$159.95
411-HCF-1504411-HCF-1504Valve Spring Set - HD / CRF150F, 03-05 /CRF230F, 03-Present$59.95
411-HCF-2301411-HCF-2301Bore Kit - 240cc W/Cam / CRF230F, 03-Present$299.95