Wiseco Yamaha YFM660 Raptor 111 CR (4737M10100) Piston Kit

Wiseco Yamaha YFM660 Raptor 111 CR (4737M10100) Piston Kit

Marsoni

M251S

$184.57

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

Wiseco Yamaha YFM660 Raptor 111 CR (4737M10100) Piston KitThe Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high performance 4 strokes. Today, Wiseco's forged 4 stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4 stroke pistons are ready to deliver the power and reliability

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The looks are very nice, functional if left alone once assembled. After that I would leave them alone otherwise you risk the main male portion just coming loose of the housing, sound quality is decent, nothing to write home about, but again, not very durable. If they could fix that 1 thing, these would be very good buy and value, the rest of each plug is hefty and well made.

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Reviewed in the United States on January 12, 2026

Verified Purchase

Amazon Customer

Chelsea, US

★★★★★ 5

Fixed my over temp warning issue.

Easy to change and work like new. No more over temp warning at idle.

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Reviewed in the United States on June 9, 2025

Verified Purchase

Michael Rhodes