Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10050) Piston Kit

Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10050) Piston Kit

Marsoni

M251S

$166.03

Get it in 3 business days with 1 day shipping. Friday, May 29

Wiseco Yamaha YFM660 Raptor 9.91 CR (4966M10050) Piston KitPremium materials produce the best sealing technology available exceeding O. E. M. standards. 2 Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength weight ratio utilizing Aerospace alloy; Race proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision machined, highest quality materials for strength and reduced

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This thing cannot stand on its own, the side bars bend since it is not sturdy enough to handle the material screens. After assembly, I was so mad at it, the pleasure of crushing it was better than returning it. I tryed to think of other ways to use it, but could not… i kept the screens, they are the strongest part of this thing. Very disappointing

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Reviewed in the United States on August 31, 2024

Verified Purchase

SM Gibbons

Belleville, US

★★★★★ 3

Works well

Color: Beige

Does the trick for privacy and some noise blockage. This takes two people to put together. The construction make it easy to assemble, but makes it just as easy to come apart on its own.

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Reviewed in the United States on July 27, 2025