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YAMAHA

YAMAHA OEM Rear Sprocket 47T YZ80 2000-2001 YZ85 2002-2025 4ES-25447-10-00

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SKU:: 4ES-25447-10-00
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Condition:: New
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YAMAHA OEM Rear Sprocket 47T YZ80 2000-2001 YZ85 2002-2025 4ES-25447-10-00The Rear Sprockets are made from 7075-T6 billet aluminum CNC-machined for maximum fit accuracy. The rear sprockets features a radial mud groove et…

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Product Details

YAMAHA OEM Rear Sprocket 47T YZ80 2000-2001 YZ85 2002-2025 4ES-25447-10-00

The Rear Sprockets are made from 7075-T6 billet aluminum CNC-machined for maximum fit accuracy.

The rear sprockets features a radial mud groove etched just inside the sprocket teeth to shed mud and grit which saves weight and increases chain life.

Sprocket sizes other than stock are for closed-course competition only on '06 and later off-road models and all street legal models.

Changing the final drive ratio affects exhaust emissions and also affects speedometer readings.

YZ models are for closed-course competition use regardless of modification.

Applications

YZ80 (2000-2001)

YZ85 (2002-2025)