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1966 johnson mq-12 9.5hp

Old Marine Engine » Gears, Transmissions, and Propellers » 1966 johnson mq-12 9.5hp « Previous Next »

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Ricky Stoll
New member
Username: restoll

Post Number: 1
Registered: 12-2022
Posted on Saturday, December 31, 2022 - 08:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I may be in the wrong forum not sure

This motor runs great. First day out I was cruising at speed and hit a sand bar. Typical Florida anyway. I�m not sure if the issue I�m about to discribe came with the engine or was caused by the sand bar

Sometimes(not all the time) it seams as though it jumps out of gear. I thought it may be a hub but don�t see a hub in the schematics. It�s a shear pin. I haven�t pulled the prop yet because I live on a sailboat and it�s been cold for the last week which I will have to stand in the water at shore to do. I guest my question is. Is there a non replaceable hip in these props? Or could I be able to still use the prop with a broken shear pin. Or is there another issue?

Any advice would be appreciated on the direction to start to narrow it down. I know next week I�ll pull the prop.

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