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Cylinder Works

Cylinder Works 21-23 Gas-Gas MC 65 65cc Standard Bore Cylinder 45mm

$631.95 $600.35 Save $31.60

SKU: C0BU 50005

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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

Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylinders. Cylinder kit includes matched Vertex piston to ensure longevity, performance, and reduced engine noise. Nickel silicon carbide-plated for long life. Kit comes complete with gaskets, cylinder, piston, rings, pin, and clips. Standard Bore Cylinder Kit. Std Comp. 45mm. Includes (Cylinder, Piston Kit, & Top-End Gasket Kit). Made in the U.S.A.

Fitment

Fitment Guaranteed

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on fit.

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

Available on iOS & Android

Specifications

BrandCylinder Works
Part NumberC0BU 50005

Videos

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Cylinder Works Standard Bore High Compression Cylinder Kit
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How To Rebuild the Top End on 2009-2021 KTM, Husqvarna & GasGas 65cc Dirt Bikes

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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