225 mercruiser stalls when throttling up from idle

wilbur11

Recruit
Joined
Aug 3, 2008
Messages
2
I have a 1996 225 mercruiser outboard. Every time I take the boat out, it starts fine and idles fine, but when I get to 1200 rpms, and try to accelerate, the engine stalls, It restarts fine and will stall again. Sometimes if I go on in this manner, it sometime revs up and when I accelerate it will go and run like a top. It will run like this, until I put it back in neutral, then the process starts all over again. I just bought the boat. The fellow that owned the boat passed away and it set for a year and 1/2. I was told there was stableizer in it. We put in 80 gallons of fuel into a 110 gallon tank to fill it up. We put enough drygas in it for 60 gallons, we changed the fuel filter, put in a water separator, and even put in a new starter switch, because we thought maybe the choke was sticking. We also changed the primer bulb because it always seem soft. Nothing seems to work.
 

ziggy

Admiral
Joined
Jun 30, 2004
Messages
7,472
Re: 225 mercruiser

Re: 225 mercruiser

We also changed the primer bulb because it always seem soft.
perhaps ya have a fuel deleivery issue, prior to the fuel pump. i/o's don't have primer bulbs best i'm aware of. so ya should loose that....
 
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