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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Chamber selection:S31 - 17
Honda CR250 Phathead cylinder head kit 2002-2004
In addition to the head you will also receive a customized dog tag with the same etch that goes on the head adjusted to best fit the tag
*sample image
1992-1996 / 2005-2007
Yamaha YZ125 combustion chambers Chamber selection:Y11 - 10.0cc Stock Chamber selection:S31 - 17Chamber selection: 2005+ FX11 8. 3cc Stock FX12 7. 8cc (95+ octane) FX13 7. 2cc (100+ octane) 1994 2004 Y11 10. 0cc Stock Y12 9. 3cc (95+ octane) Y13 8. 8cc (100+ octane) OE cylinder 144cc 58mm FX144 (91+ octane) FX145 (100+ octane) Athena 58mm 144cc 2005 2021 Athena144 9. 8cc (91+ octane) Athena145 9cc (100+ octane) Athena 58mm 144cc 2022 Present Athena144 22 9. 8cc (91+ octane) Athena145 22 9cc (100+ octane)
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