Johnson 115 Decarb Dident Help?

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greg carr

Cadet
Joined
Feb 23, 2009
Messages
16
MY compression check was 125-125 on one side and 115-85 on the other the decarb dident help do you all think that since both cylenders are low on that side thay it would be a better chance of being just a head gasket rather than ring or piston dammage.
IS THE GASKET HART TO GET TO DO YOU JUST REMOVE THE TEN OR SO BOLTS ON BOTH CYLENDERS ON THAT SIDE AND THE GASKET IS UNDER THAT PLATE
 
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ezeke

Supreme Mariner
Joined
Sep 19, 2003
Messages
12,532
Re: Johnson 115 Decarb Dident Help?

Correct, just the larger 10 bolts. You cannot reuse the head gasket, so you will need to have a source for one if there is no damage to the pistons or cylinders.

You might want to photograph the work area before you start so that you can get everything back in the same place.
 
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emdsapmgr

Supreme Mariner
Joined
Dec 9, 2005
Messages
11,551
Re: Johnson 115 Decarb Dident Help?

I'd pull the intake side cover off on the low cyl also, so you may need a new gasket for that also.
 
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