★★★★★ 5
Fine product
Size: 150 ml, Pack of 1
This one works
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
WSM POPPET VALVE SPRING MERCURY / YAMAHA 75 - 300 HP 785-200-03, 804081
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM POPPET VALVE SPRING MERCURY / YAMAHA 75 - 300 HP 785-200-03, 804081ITEM#: 785 200 03 POPPET VALVE SPRING MERCURY YAMAHA 75 300 HP OEM#: 24 804081, 90501 16M11 00 PRICE: $6. 62 BRAND: WSM FITMENTS: Make Model Year(s) Mercury 4 Cyl 4 Stroke 100 2006 Mercury 4 Cyl 4 Stroke 115 2001 2006 Mercury 4 Cyl 4 Stroke 75 2000 2005 Mercury 4 Cyl 4 Stroke 80 2006 Mercury 4 Cyl 4 Stroke 90 2000 2005 Mercury 4 Cyl 4 Stroke EFI 75 2006 Mercury 4 Cyl 4 Stroke EFI 90 2006 Yamaha 3 Cyl 3. 228 Bore 75 1999 Yamaha 3 Cyl 3. 228 Bore 85
Quick Dispatch:
Your WSM POPPET VALVE SPRING MERCURY / YAMAHA 75 - 300 HP 785-200-03, 804081 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.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 988 reviews
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Product Reviews
★★★★★ 5
Works great!
Size: 150 ml, Pack of 1
This product works great for cleaning valves. Very effective formula that does the job well. Arrived quickly and was exactly as described. Would definitely buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Molly valve cleaner
Size: 150 ml, Pack of 1
Put this in my truck with a RAM engine it was kind of running a little bit rough not really sure what was going on I thought I'd get this liquid Maui a try and she smoothed out some but you know who knows it could be all Hocus pocus
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Good product
Number of Items: 1
Bought to see if it would help with oil consumption. Good quality it seemed to help for first 1000 miles. Xc60 with over 140k
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
Less oil consumption
Number of Items: 1
Made my engine noticeably quieter and felt smoother. Way less oil consumption then before definitely cheaper than topping off often
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
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