omc cobra with ford 2.3 completely seized.

patra_is_here

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Joined
Jul 11, 2009
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2
hey all, i'm trying to get a boat working for a friend of mine. the boat has been out of the water for a couple years, the prop is in the UP position.

the spark plugs are out of the motor. the motor was drained of oil (not sure why). the starter is removed from the bellhousing.

with the transmission in neutral, i can rotate the prop by hand only about 1/8th a turn in either direction. with the trans in forward or reverse, i can not rotate the prop by hand.

with a 3 foot breaker bar and socket on the front crankbolt, and can not rotate the engine at all, even if i stand on the breaker bar.

i'm assuming that either the engine is seized up, or, the cobra drive system is seized up.

so, i guess i need to know, do these drive systems have some sort of locking mechanism that won't allow anything to spin while the drive is raised UP?

or do these drive systems work regardless of whether they are up or down, mean, at this point, either the motor is seized or the drive system is seized.

thanks to anyone who helps. this is all new to me.
 

a70eliminator

Captain
Joined
Sep 9, 2007
Messages
3,762
Re: omc cobra with ford 2.3 completely seized.

The drive should free spin in neutral (reguardless trim/tilt) you need to pull the drive then go from there.
 

Bondo

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Joined
Apr 17, 2002
Messages
71,121
Re: omc cobra with ford 2.3 completely seized.

Ayuh,... Sounds like your friend needs a new boat..
 

patra_is_here

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Jul 11, 2009
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Re: omc cobra with ford 2.3 completely seized.

ahhh. thats what i figured. thanks for clarifying my suspicions
 
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