Atomic 4

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All U Get

I have an Atomic 4 in my 1981 Catalina 30. The problem is the gas smell that comes from the carburator, There are no leaks anywhere and I've taped a cover on the flame arrester to identify the source. Can it be rebuilt or should I add a fuel shut-off valve in the gas line? This would also cure the noise problem I have when first mate is aboard.
 
Oct 2, 2006
1,517
Jboat J24 commack
Gas smell

How much air can your bilge blower move ? and do you Use it for a while before and after shuting down the motor ? The carb is going to be HOT for a while and the fumes wiil go somewere :( Many small power boats have the same problem when all the canvas is up in bad weather and the fumes have no way out with running the blower Tommays
 
A

All U Get

Thanks

I run the blower after the cruise and during the night when we sleep over, still smells.
 
Oct 2, 2006
1,517
Jboat J24 commack
Gas smell

Then i would look at your fuel lines with The NEW gas and even as they get old they will weep fumes long before they have a leak Also were is the tank does it have a anti siphon valve ? between that and a leakey float seat in the carb it could also slowly dribbel gas out of the carb and into the intake I need to change my vent line this fall as it has started to swell from the ethanol in the fuel make sure you use A-1 fuel line Tommays
 
Apr 10, 2006
47
- - St. Petersburg, Fl
fuel shut off

My father had a atomic 4 in a irwin 30. When he sailed gas would actually come out of carberator. He put a shut off valve on it to turn gas off when sailing.
 
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