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Home » Engine Parts

Yamaha Piston 1250 Kit with Custom Barrels

Yamaha OEM 1250cc (10.00 / 1 COMPRESSION) cylinder & Piston Kit as shown.

Core is refunded after returned non damaged cylinder and sleeves have been returned.


This piston kit includes:

4 - Custom sleeves machined to fit stock FJ1100 or FJ1200 crankcase

4 - 3.110 OEM Yamaha XJR1250 (1300) Pistons 5EA-11631-11-A0, 

4 - 5EA-11603-00-00 ring sets 

1 - .010 base gasket

1 - Yamaha 1250 head gasket 5EA-11181-10-00

8 - Wristpin circlips (You can reuse your stock Yamaha wristpin or purchase new from this link


This is a reconditioned block with new sleeves. The block has been sleeved, bored, honed, decked and is ready for assembly.


IMPORTANT NOTE: This kit does NOT require crankcase boring to install in the FJ1100 or the FJ1200 series engine.


The rings and pistons have already had the ring end gap set, so this kit should be ready to "plug and play".

Paint has been removed.

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Price: $1,699.99
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