8.1 mercruiser replace crankshaft

XXTRAST12

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Joined
Jul 31, 2019
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3
Hi 1st time posting here wonder if anyone has replaced or had there crankshaft replaced on a mercruiser 8.1l. I pulled pan and see reluctor is damaged spinning freely on crank.motor has 150 hrs on her was thinking of replacing crank. Any advice or in put would be appreciated.
 

alldodge

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Mar 8, 2009
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43,326
I think your asking if someone has replaced only the crankshaft and got away with it.

If this is the case, then I don't know of anyone doing so

The reluctor wheel should be held in place by the same key that holds the vibration damper. Is the key still there?
 

Bondo

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Apr 17, 2002
Messages
71,309
Ayuh,..... Welcome Aboard,....... Replacing a crankshaft ain't that simple, 'n usually requires the artistry of a machine shop,......
 

XXTRAST12

Recruit
Joined
Jul 31, 2019
Messages
3
Well this is what i found seems like crankshaft has some movement and wiping out rear bearing. Read some where that this was an issue with these yr engines
 

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