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1972 Johnson 4hrs Model 4w72s

pwhiting07

New member
"The problem I am having is, I

"The problem I am having is, I will be on the lake and the motor is kicking in high gear and for about 30 seconds, and then it looses power after that. Sometimes it will stall out in low. So I know it has the power, but i cant seem to get it out of it. The whole motor has been rebuilt, I have also replace the plugs again tring to fix the problem. I use 50:1. I dont know if this model has a thermostate, or if they all do. So I dont know if thats the problem. Can anyone help?"
 
No thermostat.You have confirm

No thermostat.You have confirmed that the waterpump is working.You have replaced the ignition coils with new.Check that you have ample fuel flow from the pump.
 
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