Yamaha Raptor 660R Master Top End Refresh Kit
$170.00
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Description
When your Raptor 660R’s top end is showing signs of fatigue—but the bottom end is still solid—the Master Top End Refresh Kit delivers a reliable performance upgrade without the cost or labor of a full engine rebuild. Designed for 2001–2005 Yamaha Raptor 660R models, this mid-level kit restores compression, reduces oil consumption, and gets your quad back in fighting shape.
Whether you’re chasing top-end noise, power loss, or just prepping for the season, this kit includes everything you need to replace the most common wear items on the upper half of your engine. Ideal for DIY mechanics, racers, and serious trail riders, all components are built to match or outperform OEM quality.
This Kit Includes:
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Intake Valves
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Exhaust Valves
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Top End Gasket Kit
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Standard Bore Piston Ring Kit
Why This Kit Works:
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Refreshes worn top-end components without a full teardown
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Fixes compression loss, oil blow-by, and valve noise
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High-performance components designed for real-world abuse
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Budget-friendly and shop-efficient
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Protected by our 1-year warranty
Perfect For:
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Mid-life engines needing a top-end refresh
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DIY riders upgrading or maintaining their own builds
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Pre-race or pre-season maintenance
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Mechanics wanting a reliable, fast-turnaround solution
Restore Your Top End — Ride with Confidence
If you’re not ready for a full rebuild but need more than just a piston, this is the kit that gets the job done.
Order your Yamaha Raptor 660R Master Top End Refresh Kit today and ride harder, longer, and leak-free.
Need help with installation or part matching?
Check our FAQ or Contact Us — our team of riders and engine techs is ready to help.
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