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How not to fill a Cobra

pattydog

New member
:( Have had a few boats all Mercruiser. Bought a Older but clean 1991 4-winds with Cobra out unit last fall. Drained lower unit at end of year. Springtime fill it up like I always have my Mercs. Need I say more. Hurt the out unit after a few laps around the lake. NOW WHAT???
 
Opps!! Just did one a couple weeks ago. The owner did the same thing. He smoked all the bearings in the upper. It was cheaper just to find the same gear ratio upper than rebuild his
 
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