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55HP EVINRUDE QUESTION

D

DAVE L

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" PLEASE HELP NEED TO KNOW YEA

" PLEASE HELP NEED TO KNOW YEAR, MODEL # 55873R
SER# C577610 AND MY ENGINE IS OVERHEATING, I DID A COMPRESSION TEST AND TOP CYL.HAS 10PSI MIDDLE CLY. HAS 100PSI AND BOTTOM HAS 100PSI QUESTION:WOULD THAT BE THE CAUSE OF OVER HEATING

THANKS FOR ANY REPLIES DAVE L "
 
" Dave.... The engine is a 196

" Dave.... The engine is a 1968 55hp Evinrude. If the compression difference on the top cylinder is due to a blown head gasket, yes that would result in a overheating problem.

Regardless, remove the cylinder head to inspect the piston, cylinder walls, and the sealing surfaces of the head and block.

Joe (30+ Years With OMC) "
 
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