Mercury / Sea-Doo 200 - 250 / 3000 Piston Kit 100-47-045sk .015 STAR 2720-889640

Mercury / Sea-Doo 200 - 250 / 3000 Piston Kit 100-47-045sk .015 STAR 2720-889640

Marsoni

M251S

$113.08

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

Mercury / Sea-Doo 200 - 250 / 3000 Piston Kit 100-47-045sk .015 STAR 2720-889640(Kit includes Piston, Rings, Wrist Pin, & Clips) This kit meets or exceeds OEM Specifications. . 015 OVER SIZE STARBOARD SIDE 3. 6415" ITEM#: 100 47 045SK PISTON KIT MERCURY MARINER SEA DOO 200 250 3000 STARBOARD . 015 OVER OEM#: 2720 889640A02 OVAL POCKET ON TOP OF PISTON BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 6 Cyl 3. 6265 Bore 3L Optimax 200 2003 2018 Mercury 6 Cyl 3. 6265 Bore 3L Optimax 225 2003 2018 Mercury 6 Cyl 3. 6265

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This stuff is flat out amazing for 2 cycle small engines, works like advertised. 4 cycle isn't as good, if your engine hasn't ran in years, you'll still have to clean the carb, but it does help some. The 2 cycle oil for one is a lubricant and inhibits varnish buildup (especially a synthetic premium brand), and usually premium oil has a fuel stabilizer in it. Plus if you don't have a float bowl, there's not enough fuel for phase separation. I also use it in my mix for my ultrasonic cleaner when cleaning carbs. Overall a very good product, but understand it's limitations in this modern age of ethanal fuel.

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Reviewed in the United States on April 12, 2026

Verified Purchase

G123

New York, US

★★★★★ 5

It works well.

Size: 8 Fl Oz (Pack of 1)

Great product that delivers on what it says it does. This won’t fix a mechanical problem or damaged component, but it will fix a stuck float, varnished tank, gummed up jet, or partially blocked emulsion tube.

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Reviewed in the United States on May 14, 2026

Verified Purchase

R Duke, Texas

San Leandro, US

★★★★★ 5

It Works

Size: 8 Fl Oz (Pack of 2)

This stuff works. I added it to my four 5 gallon gas cans before filling them up. I’ve used 10 gallons of gas in my lawn tractor so far and can tell it likes it. I do annual maintenance before summer and check or change the spark plug so it performs the best it can. I have 508 hours on it and with this it seems like it idols smoother, which indicates it has helped in the carburetor since I haven’t had to remove it and clean it. Works great.

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Reviewed in the United States on April 30, 2026