Yamaha Raptor 660R Master Top End Rebuild Kit

Yamaha Raptor 660R Master Top End Rebuild Kit

$419.00

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SKU: YR660R-MTERK Categories: , , ,

Description

If your Yamaha Raptor 660R is losing compression, smoking on startup, or not pulling as it used to, it may be time for a top-end rebuild. The Master Top End Rebuild Kit is your answer to restoring performance, throttle response, and reliability—without tearing down the entire engine.

Designed for 2001–2005 Yamaha Raptor 660R models, this kit includes all the key components to refresh your cylinder head, piston assembly, and cam timing system. Whether you’re a weekend wrench or a seasoned builder, this top-end kit is built for fast installs, long-term reliability, and serious results on the trail, in the dunes, or at the track.

These parts are engineered to outperform OEM under real-world riding conditions. They’re the same components we trust in our engine shop, now available for riders who want to build it themselves, without cutting corners.

This Kit Includes:

  • Intake Valves 3
    Exhaust Valves 2
    Top End Gasket Kit 1
    Cylinder 1
    STD Piston Kit 1

Why This Kit Delivers:

  • Restores power, throttle response, and compression

  • Perfect for addressing smoking, top-end noise, or oil blow-by

  • Precision-fit parts made for Yamaha Raptor 660R engines

  • Designed for DIY installs or shop builds

  • Backed by our 1-year warranty

Best For:

  • Mid-life Raptor 660R engines in need of a refresh

  • Trail and desert riders chasing more power

  • Racers needing a performance top-end solution

  • Mechanics looking for reliable, complete kits

Don’t Let a Weak Top End Slow You Down

Power loss and compression issues don’t mean your whole engine is done.
Order your Yamaha Raptor 660R Master Top End Rebuild Kit today and get the quality parts you need to bring your quad back to full strength—faster.

Still have questions?
Check out our FAQ or Contact Us — our team is made up of real riders and engine techs who are here to help.

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