1989 capri 2.3 i/o

[trvltime67]

hi everyone i need help if someone out there can give me there 2cents worth i just bought this boat in feb and this is my first boat i took it out a couple of weekends ago and the motor was running really good then it made a pop a couple of time when i went from full throttle to half throttle then it started to run rough i got it home and i checked the time and the points.now when i start it it runs smooth for a couple of min the it starts running rough again then if i let it sit for a day it runs smooth again then starts to run rough is there anyone out there who can help i sure could use some in put thanks and have a great day and happy boating

 

[gcboat]

Re: 1989 capri 2.7 i/o

Re: 1989 capri 2.7 i/o

I'd start looking at a fuel issue. Clogged filter, crap in the carb, etc. If it were electrical I don't think it would come and go like that but checking your coil also would't be a bad idea. Coils are pretty cheap for those little 4 bangers. Might just change it out anyway.
How old is the gas you're using? Have you added any stabilizer to it?
There's my $.02

 

[trvltime67]

Re: 1989 capri 2.7 i/o

Re: 1989 capri 2.7 i/o

thanks gc for the reply i cleaned the tank out and put fresh gas in it just before
i took the boat out a couple of weekends ago i also put a new filter and a fuel/water separate on it and also have taken the carb apart and cleaned it
i was thinking maybe it has a sticky valve but im going to change the coil out also to to be sure its not there

 

[lowkee]

Re: 1989 capri 2.7 i/o

Re: 1989 capri 2.7 i/o

Make sure the breather tube on your fuel tank is not clogged. That will cause exactly what you are describing. If that checks out okay, try a carb rebuild. It doesn't cost much ($15 in parts) to do it yourself, and it always seems to pep a tired boat up, no matter how well you think it is running. If you opt for the carb rebuild, pay close attention to the float height, as it may be set too low and running out of gas in the bowl.

 

[trvltime67]

Re: 1989 capri 2.3 i/o

thanks for the advice on the gas vent i took the hose off at the gas tank and took the air compressor and blew the hose out it runs a lot better now it just
sputters at full throttle next is going to be a carb- rebuild see how that works

 

[redone4x4]

Re: 1989 capri 2.3 i/o

my 5.0 V8 was sputtering really bad at full throttle...it acted like it was flooding itself out. I put a new fuel pump on it, nope. rebuilt the carb, nope. took it to the shop, all it needed was points, condenser, and the timing was off. now she runs as good as new again.