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Yamaha YZ250 YZ250X WR250 Phathead cylinder head kit 1999-2026 Chamber selection:Y22 - 20.1cc (100+ octane) 6cc (100+ octane)K53 - 38

SKU: 89208100345
4.4
USD175.00 USD205.00 Pit lane

Pay in 4 interest-free payments of $43.75 Learn more

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

Description

6cc  (100+ octane)K53 - 38

HF22  - 16

300SX  - 23

5mm (105cc) big bore chamber 100+ octane - for use with big bore piston

Yamaha YZ250 YZ250X WR250 Phathead cylinder head kit 1999-2026 Chamber selection:Y22 - 20.1cc (100+ octane) 6cc (100+ octane)K53 - 38Yamaha YZ250 Phathead cylinder head kit 1999 2026 Chamber selection: Y20 22cc Stock compression for the X model Y21 21. 1cc Stock (91+ octane) Y22 20. 1cc (100+ octane) Y23 19. 1cc (105+ octane) YZ295 72mm 91+ octane 23. 8cc YZ296 72mm 100+octane 23cc 72mm chamber Does not fit Athena Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and

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