★★★★★ 5
Good product
Number of Items: 1
This stuff works really well. A little goes a long way
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
WSM Yamaha 350 Piston Kit 50-540-07K - 1mm SIZE 84mm '87-'14, OE 1UY-11631-01-Y0
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Yamaha 350 Piston Kit 50-540-07K - 1mm SIZE 84mm '87-'14, OE 1UY-11631-01-Y0ITEM#: 50 540 07K PISTON KIT YAMAHA 350 87 14 . 040 over size OEM#: 1UY 11631 00 00, 1UY 11631 01 Y0, 5UH 11631 00 C0 84mmBRAND: WSM FITMENTS: Make Model Year(s) Yamaha Big Bear 350 1987 1999 Yamaha Bruin 350 2004 2006 Yamaha Grizzly 350 2007 2014 Yamaha Raptor 350 2004 2013 Yamaha Warrior 350 1987 2004 Yamaha Wolverine 350 2006 2009 Yamaha YFM 350 1987 1990,1992 1995 NOTE: 83MM
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Your WSM Yamaha 350 Piston Kit 50-540-07K - 1mm SIZE 84mm '87-'14, OE 1UY-11631-01-Y0 orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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- We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 2094 reviews
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Product Reviews
★★★★★ 5
Works perfect. My trim looks brand new again.
Number of Items: 2
This product worked great. I love the finished look. It was definitely worth the money and didn't take long to apply. I recommend to everyone looking to bring back your black trim to original.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Trim rejuvenator.
Number of Items: 1, Number of Items: 1
This product works! One application made my trim look brand new!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 4
Easy to use
Number of Items: 1
It worked fairly well ,easy to use don’t really know the long term longevity of it
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Reviewed in the United States on February 4, 2026
★★★★★ 1
Worthless junk
Number of Items: 1, Number of Items: 1
Total absolute worthless crap. Does nothing to faded plastic. Looks nice wet after application, but bext day there is NO DIFFERENCE on the plastic apearance. See photo
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
