mercury 9.9 2 stroke outboard

flaken

Recruit
Joined
May 26, 2008
Messages
1
just bought motor, was sitting for 5 years. took out yesterday and was running fine then evertime we opened the throttle to full it seemed to jump out of gear. when we went back down to lower speed the prop was fine. then when we gave it gas again to full speed it poped out of gear again.
 

gss036

Commander
Joined
Jan 18, 2003
Messages
2,914
Re: mercury 9.9 2 stroke outboard

Never have owned a small mercury.
Check to see if there is a rubber hub (bushing) in the prop, if not, maybe a shear pin. Try turning the prop by hand with the motor off of course and in gear. That might give you a clue as to whether it is in the prop or gear box.
 
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