the is a manual release valve on the bracket either on the port or starboard side depending on if its a conventional or fastrac. it a flat tip slot, just take care when breaking it free so you dont enlarge the slot.

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120 is a good motor- get your your self an omc service & parts manual.

i would spray some WD in the spark plug holes - let it set a day or so then try & spin flywheel by hand to make sure its free.



also make sure the WD straw does shoot into the plug hole.


carbs will need rebuilt also.


hope that helps