Marine Pro Archives | Page 13 Of 20

Help with 9.9 Mercury stalling [SOLVED]

I just bought a 1999 Mercury 9.9 four stroke outboard. It stalled a couple times. Will Sea Foam work for

I have 1977 Johnson 9.9 outboard that I just purchased. I put clean clear gas in the tank and added

I have a built-in 15 gal. gas tank in my boat. The boat has been sitting for about a year

I added Sea Foam to a plastic tank with about 5 gallons of premix (2 cycle out board, 115 hp).

Hello, I have a 2003 SVT Cobra Mustang with a 4.6L 281cu in 32 valve V8 and a super-charger that

I am wondering what amount of Marine PRO I should use to treat my gas every time I fill up

How do I use Marine PRO in a Mercury 4 stroke 90hp outboard motor?

I’ve been using the original Sea Foam Motor Treatment in my marine engines (200hp-9.9hp…115hp). These are all Mercury 4-stroke fuel