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1982 70 HP Evenrude starting problems

Walid1

New member
was out in the boat yesterday and noticed the engine laboring and not able to go full throttle even though the lever was in full throttle
I suddenly heard a snap from the motor and all quit
I was unable to start the engine and had to be towed back
At home I was unable to turn the flywheel by hand, removed all the plugs and still no success
I was able to turn the flywheel with a wrench on the nut, but it was tight, it finally loosened up and was able to turn
When I put the gear lever in reverse or forward, the prop would turn, in neutral it would turn freely as it is supposed to
I recharged the battery and even though
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the starter engaged the flywheel, it was unable to turn it more than an 1" or so
In removing the plugs I was able to see the pistons? moving in and out

Pls Help

Correction: 1982 OB
 
Last edited:
Remove lower unit ----------You need to determine if problem is in engine or the lower unit.----------------That is the first thing to do !!
 
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