[fmld350]

Hello all, I'm new here, I'll post some profile info shortly.
So my 350 has not run very much for the past couple of years, although I did a 45 min ride about 5 months ago. When I tried to start it yesterday the battery was dead. We got that charged up and now she will turn over and try to start but won't start. The gas is probably about 2 years old and I know I did use a fuel stabilizer in that tank. I'm thinking that the issue might be bad/old gas. There is a fair amount of gas already in the tank, and I know I've always used premium gas (91 octane). Would adding some more fresh gas help? I've heard that old gas can cause varnish and gum up the innards of my engine, would using a carb cleaner in the same tank of gas be a good idea to help prevent this?

 

[mattcunningham.c]

Hello all, I'm new here, I'll post some profile info shortly.
So my 350 has not run very much for the past couple of years, although I did a 45 min ride about 5 months ago. When I tried to start it yesterday the battery was dead. We got that charged up and now she will turn over and try to start but won't start. The gas is probably about 2 years old and I know I did use a fuel stabilizer in that tank. I'm thinking that the issue might be bad/old gas. There is a fair amount of gas already in the tank, and I know I've always used premium gas (91 octane). Would adding some more fresh gas help? I've heard that old gas can cause varnish and gum up the innards of my engine, would using a carb cleaner in the same tank of gas be a good idea to help prevent this?

Go to your local parts store and get a manual pump to pump old gas out of the tank. Don't use carb cleaner in tank. Buy a can of Seafoam to put in tank. If 350 does not start. The carb will need to be cleaned. Also, check your carb for a round, black, fuel primer button. Should be on the right side of carb. Push it in a few time to prime the carb, before starting.

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[cmanningjr]

Clean your carb.


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[fmld350]

Would I use the whole can of Seafoam in the tank, presumably w/some fresh gas?

 

[XplicitRacing6]

I've never used SeaFoam but you need to clean your carb before you do anything else

 

[_Wilson_]

I've heard seafoam is good stuff, ( never used it or had to ) I'd clean the carb ^^^^^^ and IMO, stabil fuel treatment ( red ) I've been using it in all my small carb engines for years , both 2c n 4c with no issues,

 

[XplicitRacing6]

If I don't drain all the gas out; put stabil fuel in everything during the winter. Power washer, generator etc. Works great. It will save you the headache later.