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Old 09-24-2007, 03:24 PM
Bob.Griffin Bob.Griffin is offline
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Thanks Phil, that certainly helps. I imagine the problem with boats is when they are left for periods of time (during the week when we have to work) and in hot weather, the vapour lock slowly forms over time. I'm temped to test this theory by replacing the gas line from tank to fuel pump with a clear plastic line and see what happens. My gas line comes out of the top of the fuel tank which doesn't help, if it came out of the bottom of the tank and runs down hill to the pump, I'd never get a vapour lock. What happens to the vapour lock when it hits the fuel filter?

Don, rather than replumbing my fuel tank (highly unlikely), will a prime bulb fix the problem? I do get stalling and poor running for about 10 minutes after I start from cold, and the choke helps a lot which does suggest fuel starvation which I think is caused by a vapour lock.

Bob c/o Saga, Ontario
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