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Cylinder Works

Cylinder Works 02-08 Honda CRF 450 R 450cc Big Bore Cylinder 100mm

$395.95 $356.36 Save $39.59

SKU: C0BU 11002-1

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

Moderate — 2–4 hours

Description

Cylinder Works Big Bore Cylinder Kit for Honda CRF450R (2002-2008) with a 100mm cylinder diameter and 488cc displacement, offering a 4.00mm increase over standard size for 4-cycle engines.

Fitment

Fitment Guaranteed

Don’t gamble
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 11002-1

Videos

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Honda CRF 450 R Big Bore 490cc Full FMF Exhaust Race Full Only Dirt Bike Walk Around

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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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