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Old September 17th, 2005, 03:30 PM
TheChad TheChad is offline
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Default 1979 Mercury 40HP - Wont Fire after pressure washing...

Hey all,My 1979 Mercury 40HP was running just fine before i Pressure washed the engine.Last night I pressure washed the engine to clean it, as it was covered in grease/oil...I closed the Choke to prevent water getting into the carb.Now that i've pressure washed it, it won't so much as fire. I don't know if water still got into the engine somehow, or what, but for it not to even fire now, doesn't make since.Anything anyone can suggest to help is apperciated.Thanks,-TheChad
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Old September 17th, 2005, 04:23 PM
Laddies Laddies is offline
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Default Re: 1979 Mercury 40HP - Wont Fire after pressure washing...

ck it for spark first if it has spark try a little fuel mix in the carb throat
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Old September 17th, 2005, 04:30 PM
TheChad TheChad is offline
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Default Re: 1979 Mercury 40HP - Wont Fire after pressure washing...

Yeah, I will check it for spark, but i need a 2nd person, obviously i can't turn the key and see the spark at the same time... So i'm waiting for my wife to come home from work..What do you mean by "Try a little fuel mix in the carb throat"?Are you saying to pour a little fuel into the front of the carb?I sprayed carb cleaner in to see if that would help, and nothing...Thanks,-TheChad
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Old September 17th, 2005, 04:52 PM
Laddies Laddies is offline
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Default Re: 1979 Mercury 40HP - Wont Fire after pressure washing...

carb cleaner will do the same thing, just will help displace water in the cyls
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Old September 17th, 2005, 05:14 PM
TheChad TheChad is offline
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Default Re: 1979 Mercury 40HP - Wont Fire after pressure washing...

I don't know for sure, But it doesn't look like there is any spark...I was standing about 4 feet away though..I took the top plug out and had it resting against the motor framing, I turned the engine over, and didn't see any spark...-TheChad
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Old September 18th, 2005, 09:39 AM
TheChad TheChad is offline
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Default Re: 1979 Mercury 40HP - Wont Fire after pressure washing...

It definitly doesn't have spark.What should i do to figure out why I have no spark? Is there someplace i should start, or something i can test?Thanks.-TheChad
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