Engines and Components Pistons and Piston Rings

JE Pistons

JE Pistons RAPTOR 727cc 660 Gasket

$82.07

SKU: J001 JC7909

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The JE Pistons JC7909 is a powersports head gasket designed for the Yamaha Raptor 660 and Grizzly.

This gasket features a 105.000mm bore and a thickness of 0.039 inches. It is constructed from multi-layer steel and offers a compression ratio of 11.0:1 with a displacement of 727cc. The piston weight is 412g.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandJE Pistons
Part NumberJ001 JC7909

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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