Description

The Yamaha YFZ450R Crankshaft with Main Bearings renews core bottom-end parts to address wear and restore smooth rotation. It’s built to withstand high loads where engine stresses are greatest.

REV6 inspects each crank and bearing for proper fit and durability before it ships. A 1-year parts warranty supports this rebuild at the heart of your engine.

THIS KIT INCLUDES

• Crankshaft
• Crankshaft main bearings

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Yamaha YFZ450R complete bottom end rebuild kit

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See coverage details on our warranty policy, explore rebuild advice on the REV6 blog, browse answers in the FAQ center, or contact our team for guidance.

FITMENT

Yamaha YFZ450R
2014–2026

TAKE ACTION
If your bottom end shows wear or rough crank rotation, this crankshaft and bearings kit gives you the dependable parts you need. Ships nationwide—add it to your cart and rebuild with confidence.

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