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Winnipesaukee · 07-07-2009, 10:04 PM

Check the float on the carb (if it has a carb. I think Merc also makes a 4.3 FI engine). It tends to stick closed. Try giving the top of the carb a good smack.

Also check the obvious stuff: fuel filter, spark plugs for fouling, fuel tank, fuel pump (turn the key, is there a kind of whirring sound that comes from aft?).

Spray some starter fluid in the air filter and try starting. Any difference? If not, it's an ignition issue.

I'll put my money on the float. Let us know how it turns out. Oh yeah, don't try cranking for more than 20 seconds or so, and give the starter a minute to cool down each try. Best of luck.

07-07-2009, 10:04 PM	#15
Winnipesaukee Senior Member Join Date: Feb 2007 Posts: 233 Thanks: 14 Thanked 16 Times in 12 Posts	Check the float on the carb (if it has a carb. I think Merc also makes a 4.3 FI engine). It tends to stick closed. Try giving the top of the carb a good smack. Also check the obvious stuff: fuel filter, spark plugs for fouling, fuel tank, fuel pump (turn the key, is there a kind of whirring sound that comes from aft?). Spray some starter fluid in the air filter and try starting. Any difference? If not, it's an ignition issue. I'll put my money on the float. Let us know how it turns out. Oh yeah, don't try cranking for more than 20 seconds or so, and give the starter a minute to cool down each try. Best of luck. __________________ Sail fast, live slow!