Wiseco 03-05 Yamaha YZ/WR450F 12.5:1 (4785M09700) Piston Kit

Wiseco 03-05 Yamaha YZ/WR450F 12.5:1 (4785M09700) Piston Kit

Marsoni

M251S

$185.93

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

Wiseco 03-05 Yamaha YZ/WR450F 12.5:1 (4785M09700) 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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I’ve been using this for a while now and I’m glad I chose this one. The pump action is great to keep filled for easy use. I have 2 sponges on it and on the right side I keep a bottle brush as well as a squeeze bottle of dawn. It is a really good size! Good value and very functional for my needs.

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Reviewed in the United States on January 23, 2026