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I think my engine may be locked up

Discussion Forum at MarineEngine.com » Mercury Mariner Outboard » Archive through July 20, 2009 » I think my engine may be locked up « Previous Next »

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Jason Taylor
New member
Username: starhawkeye13

Post Number: 1
Registered: 07-2009
Posted on Thursday, July 09, 2009 - 08:19 pm:   Edit Post Delete Post View Post/Check IP

I Have a MCM 170 Mericruiser engine in a 1986 glasstream. It was turning over real slow with a new battery in it then it stopped and now I can't get it to turn over. The starter trys but won't turn the enging over.
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James Bell
Member
Username: bigdaddy81

Post Number: 6
Registered: 04-2009
Posted on Friday, July 10, 2009 - 03:47 am:   Edit Post Delete Post View Post/Check IP

Hi,

I am no expert, remove the spark plugs and try to turn over, (assuming its a fluid lock, this will allow excess fluids in the cylinders to escape), if no luck, then I think your starter motor needs a rebuild or replaced.

Why did you replace the battery, it may have not been the battery at fault, but the starter motor
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Randy McLeod
New member
Username: capt_blind_squrril

Post Number: 3
Registered: 07-2009
Posted on Friday, July 17, 2009 - 02:48 pm:   Edit Post Delete Post View Post/Check IP

When my motor did that it ended up being the starter. New battery just prolonged it. When I took the starter off it spun just fine. I did notice it got alittle hot though. You can take it to your local starter rebuilder (look in phone book) can test it for you, usually for free. Good luck!!

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