montana49er Posted March 7, 2011 Share Posted March 7, 2011 I have a 2000 Mercury 50 hp 4 stroke. I have been having problems with the rpms spiking and falling out. It happens in gear and when idle. It has lost around 10 mph and only will rev to 4200rpms. Have had the carbs cleaned a couple times and had the fuel line replaced and new bulb oem parts. Anyone have any info on what might be wrong. My email is [email protected] thanks Josh Quote Link to comment Share on other sites More sharing options...
morepower02 Posted March 7, 2011 Share Posted March 7, 2011 Hi JoshDo the shops have a digital vaccum carb sync tool? If not this could be the problem.These carbs have to be perfect. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now ↓↓↓ or ask your question and then register. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.