Re: Johnson 50HP stop/drown after 15 minutes of utilisation


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Posted by Ken Denman (24.77.36.232) on July 20, 2005 at 17:07:27:

In Reply to: Johnson 50HP stop/drown after 15 minutes of utilisation posted by Laurent H. on July 20, 2005 at 06:59:31:

Larry (un petite plaisanterie),

Flooding is either a symptom, or a cause.

If it is a cause, then there's too much fuel coming out of the carburetor. Since your carb has a fixed jet, the culprits are either a sticking float, or a worn float valve.

If it is a symptom, it means something has stopped the ignition process and the byproduct is flooding (perhaps by you trying to start the motor with the choke on :).

If the motor stopped suddenly, then you have an electrical problem - a loose connection or a component about to fail.

If the motor was surging, you may have a faulty CDI box or coil.

Either way, diagnosis may mean waiting for the problem to occur again, so you can start checking related components.


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