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Yamaha YZ250 combustion chambers Chamber Selection:Y22 - 20.1cc (100+ octane) KTM300SX 2023+ Phathead cylinder head

SKU: 66698982875
4.4
startv.mn
USD80.00 USD125.00 Court rate

Size & fit on this sheet — checkout stays in the sticky dock.

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 9 - Sep 14

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Description

KTM300SX 2023+ Phathead cylinder head kit

W21 -  21

6cc 95+ octane

Our chambers are cut for the 85cc bore but work just fine with the 80cc bore as well

Yamaha YZ250 combustion chambers Chamber Selection:Y22 - 20.1cc (100+ octane) KTM300SX 2023+ Phathead cylinder headChamber selection: 1999 2022 Y20 22cc Stock compression for the X model Y21 21. 1cc Stock (91+ octane) Y22 20. 1cc (100+ octane) Y23 19. 1cc (105+ octane) 1999 2022 big bore chambers: YZ295 24. 8cc 72mm 93 octane Revised squish clearance . 055" YZ296 24cc 72mm 100 octane Revised squish clearance . 055" 1988 1998 Y30 stock Y31 (95+ octane) Y32 (100+ octane) Y33 (105+ octane)

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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