1996 MERC 115hp PROBLEMS

sledstew

Petty Officer 2nd Class
Joined
Jun 16, 2005
Messages
100
I HAVE A 1996 MERC 115 THAT WILL NOT RUN ON CYLINDER NUMBER 3, THIS IS WHAT IVE DONE TO TROUBLESHOOT IT, CHANGED PLUGS,LEAK DOWN TEST,SPARK GAP TEST,CARB KIT,SPARK IS NOT THE ISSUE ITS FUEL RELATED, NOW WHEN I SQUEEZE THE FUEL BALL WHEN ITS IDLING IT WILL RUN ON ALL 4 CYLINDERS FOR A SECOND THEN GO BACK TO THREE CYLINDERS, COULD THIS BE THE ACCELLERATOR PUMP OR IS IT SOMETHING ELSE?aNY HELP IS GREATLY APPRECIATED
 

Laddies

Banned
Joined
Sep 10, 2004
Messages
12,218
Re: 1996 MERC 115hp PROBLEMS

Isn't that a 2+4 engine that does not idle on the bottom 2 cyls, the bottom 2 carbs don't have idle adjustment screws for idle mix do they?
 

sledstew

Petty Officer 2nd Class
Joined
Jun 16, 2005
Messages
100
Re: 1996 MERC 115hp PROBLEMS

The Bottom Two Carbs Do Not Have Adjustment Screws They Are Just Regular Brass Screws You Tighten Up.
 
Top