A big bore cylinder engineered to strict OEM specifications, constructed from AB4C/JIS AC4B-T6 aluminium with a Nikasil-plated sleeve and ceramic coating for increased wear resistance and durability. With an 82.00 mm bore (+4 mm over standard), it increases displacement while typically requiring no crankcase modifications.
Features
- 82.00 mm big bore (+4 mm over standard)
- Nikasil-plated sleeve for superior wear resistance
- Ceramic coating for enhanced durability
- Designed for direct installation with no case modifications required in most applications
Specifications
- Material: AB4C / JIS AC4B-T6 aluminium
- Hardness rating: HV500–600
- Coating thickness: 0.08 ± 0.02 mm
Cross-Reference OEM Part Numbers
- 12100-KRN-730
- 12100-KRN-731
- 12100-KRN-732
Vehicle Fitments
- Honda CRF250R 2004–2009
- Honda CRF250X 2004–2016
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