mercury troubles

s_sukkar

Recruit
Thread starter
Joined
Jan 10, 2004
Messages
1
Hi i have a mercury 85 hp 1977 model which starts first go but when i come to exelerate it stalls. can u plz email me at sukkar111@hotmail.com and give an suggestion thank you
 

BRIAN03

Petty Officer 1st Class
Joined
Oct 17, 2003
Messages
284
Re: mercury troubles

It sounds like a fuel problem. Dirty fuel,clogged pick up in fuel tank, check valve, fuel line restricted, bad fuel pump diaphram, dirty carbs. If the fuel system checks out. Make sure the trigger is moving with the throttle.
 

booka

Cadet
Joined
Nov 12, 2003
Messages
11
Re: mercury troubles

Had the same problem! the fix was to richen the mixture at the idle mixture screws
 

Clams Canino

Commander
Joined
Jan 10, 2004
Messages
2,179
Re: mercury troubles

Add overpropping to the list - if there is no history.<br /><br />-W
 

sbasalv

Cadet
Joined
Dec 16, 2001
Messages
12
Re: mercury troubles

g'day ! I have same engine and same problem ... eventually determined that fuel tank vent screw didn't work properly ... you never know !
 
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