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Loss of Power Johnson 50hp 1975 2 stroke

katrina_turner

New member
Some thoughts on the following

Some thoughts on the following problem please?
Out fishing initially some difficulty starting then once started was at reduced power. Restarted the motor again with difficulty however motor was at normal power but then had some power loss(unable to get boat on plane) the motor stalled when attempting to idle and there were some power surges when traveling along at reduced power. Once turned off at the boat ramp was unable to restart.
 
"need to start at the top with

"need to start at the top with that, spark compression, fuel.that sound like a few things but still need to narrow it down a little."
 
on further inspection water sq

on further inspection water squirting out through where the gear case joins to the lower leg able to start but wont idle water in gear case oil.
 
"A rough guess on this:
-Engi


"A rough guess on this:
-Engine runs on one cylinder only.(test ignition and compression, would not be surprised if lower cyl is 'gone'.
-Your gearcase seems due for a reseal.
Suggest You get a good quotation for this job, unless You feel confident to do it by yourself."
 
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