mercruiser 470 problem

tappy22

Cadet
Joined
Jun 1, 2003
Messages
6
when at slow speed ( no wake ) everything is ok but when i try to go faster the engine splutters & seems like it may die.At neutral the engine seems to go at faster rpms ok.<br />I replaced fuel filter & carb filter .<br />Any suggestions?
 

Trent

Captain
Joined
Nov 17, 2001
Messages
3,333
Re: mercruiser 470 problem

Carb rebuild time. Also check the compression.
 

airman

Petty Officer 1st Class
Joined
Aug 9, 2003
Messages
332
Re: mercruiser 470 problem

I occasionaly have the same problem with mine. Usually if I back off the throttle real quick I can catch it before the engine stalls. Once I'm on plane it's fine. I'm pretty certain it's the accelerator pump in the carb.
 
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