Why does my 1989 Evinrude 150 XP not idle?

Why does my 1989 Evinrude 150 XP not idle?

1989 Evinrude 150 xp with muff on it idles ok a little sneezing. In the water it doesn’t want to idle when in gear . From idle to plane the boat will bog down unless I choke it once it planes it runs great. I have rebuilt the 3 carbs and made sure each passage was not restricted.

What to do if your motor scooter won’t idle?

If you find the intake valve is too loose, twist it by hand in a clockwise direction until you reach the desired clearance level. Once you are happy you can just about slide a .004 feeler gauge behind your intake valve then you can re-tighten the intake valve nut and reassemble the intake valve cover and the rest of your scooter.

Why does my car not want to run?

One cause could be an air leak on the carb, head gasket, crankshaft seal. The other could be a clogged low speed and idle circuit. Since you just got the engine done I would double check the carburetor. You do want to make sure that it is set right and that it is clean. Check everything properly again and check for airleaks….

Why is my scooter engine not working properly?

If the answer to any of these questions is yes, they are all symptoms of your engine valves being too tight. Engine valves tighten over time after extensive use. Problems can occur when the valves on your scooter or too tight or too loose but they can be adjusted accordingly to fix performance issues.

When to increase curb idle to keep engine from stalling?

As I slowly increase curb idle to keep engine from stalling, opening throttle after every 1/8 turn, it will go from barely running to about 2000 rpm & stay there for about a minute or so & then idle down on it’s own & start to die. If I increase another 1/8 turn or less it will go up to 2000 rpm & stay there.

What causes carburetor to not idle at high speed?

Engine will not idle Engine lacks power at high speed Idle sped is excessive Adjust idle mixture screw Carburetor out of adjustment Engine will not idle Idle speed is excessive Check for bent choke and throttle plates Engine will not start Engine hunts (at idle or high speed)

Why does my 80457s 600 CFM not idle?

The carb idles fine while warming up, but when choke is open & engine is hot, still cannot set curb idle. As I slowly increase curb idle to keep engine from stalling, opening throttle after every 1/8 turn, it will go from barely running to about 2000 rpm & stay there for about a minute or so & then idle down on it’s own & start to die.

If you find the intake valve is too loose, twist it by hand in a clockwise direction until you reach the desired clearance level. Once you are happy you can just about slide a .004 feeler gauge behind your intake valve then you can re-tighten the intake valve nut and reassemble the intake valve cover and the rest of your scooter.