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  91 Merc 40 won't start

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Author Topic:   91 Merc 40 won't start
mmeany posted 06-11-2002 08:20 AM ET (US)   Profile for mmeany   Send Email to mmeany  
Hello All,
Hope you're all having a good time in your Whalers. I have a problem hopefiully someone can help me with. Last fall I brought my 13' SS with a 91 40HP merc to the shop to be winterized (fogged). I came out a couple weeks ago and tried to start it but it would not go. Well after cranking a couple minutes, I realized the kill switch was set (duh, usually the first thing I check). I unset it, recharged the battery and tried again. Still no go, with fresh gas, too. I'm thinking of replacing the plug as I figure I have fouled them. I'm not really familiar with marine plugs, how do you see if they have been fouled? Can anyone give me a clue to other things I should check to get this thing going. Thanks for your help and happy boating!!!
mmeany
Landlocked posted 06-11-2002 09:42 AM ET (US)     Profile for Landlocked  Send Email to Landlocked     
Try it again. I bet you flooded it cranking with the kill switch off. Probably dried out by now and should start fine.

As far as the plugs go, if they were in good shape at the end of the season last year and it was winterized properly, I doubt that they alone would be enough to keep it from starting. Cheap to replace though and a good idea at least once per season depending on use.

Good luck

Ll.

Bigshot posted 06-11-2002 10:44 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Replace the plugs after you run the fogging fluid out. If it still does not run, take back to mechanic. If it still does not run.....you definately have a Mercury:)
Toad2001 posted 06-18-2002 01:46 AM ET (US)     Profile for Toad2001  Send Email to Toad2001     
If its something serious, and in the off chance you repower or otherwise don't repair it, I'd be interested in your power trim assembly.
I am still looking for one.
PS-Three things to check;
1) are you pushing in the key as you turn it over (engages the choke)
2) are you lifting up the fast idle lever?
3) under the cowl theres a 20 amp fuse (and a spare one too)-perhaps its blown?
Good Luck.

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