After rebuild Kit: Motor revs full rpm's at idle

[dabluflash33]

I just rebuilt the carburetors on my 1975 50 hp evinrude (50573b) When I started it up the engine went to full RPM's. Where should I go from here? Oh and before the rebuild it wouldn't idle at all. it would just die.

 

[dabluflash33]

Re: After rebuild Kit: Motor revs full rpm's at idle

I could not get the rpm's down

 

[Daviet]

Re: After rebuild Kit: Motor revs full rpm's at idle

Look into carb bore, are the throttle plates being held open? They should be closed at idle.

 

[dabluflash33]

Re: After rebuild Kit: Motor revs full rpm's at idle

with the choke on it wont start. with the choke off it just roars.

 

[tashasdaddy]

Re: After rebuild Kit: Motor revs full rpm's at idle

sucking air some where, intake to carb gasket. or reeds or intake to block gasket. just went thur that with a 83 50 hp.

 

[Rick.]

Re: After rebuild Kit: Motor revs full rpm's at idle

Take a careful look at how you put the linkage back together. Sounds like you have the carb wide open at idle. Best of luck. Rick.

 

[dabluflash33]

Re: After rebuild Kit: Motor revs full rpm's at idle

You were right. I had to move the nylon bracket to the next hole to close the gap. And there was a missing seal.


Now what is the best way to adjust the needle valves. I can get it idleing almost to the point where i can completely let off the start lever. Once i bring it all the way down it stalls. I was tinkering with the needle valves and got it to idle better but I have no technique. Do I start with the top needle or the lower needle?

 

[Rick.]

Re: After rebuild Kit: Motor revs full rpm's at idle

http://forums.iboats.com/showthread.php?t=299680
Have a look here for carb. adjustments. Glad to hear your moving in a forward direction. Sometimes it's the old one step forward and two back for me. Rick.