Mercury powerhead???

D

dcfrank

Cadet
Joined
Mar 21, 2005
Messages
20
What would cause a piston to seize in the cylinder if the engine did not show HOT on temp gauge? Mercury 200 Black Max
 
WillyBWright

WillyBWright

Fleet Admiral
Joined
Dec 29, 2003
Messages
8,200
Re: Mercury powerhead???

Lack of lubrication due to a carb restriction. Carbon fouling the piston rings.
 
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dcfrank

Cadet
Joined
Mar 21, 2005
Messages
20
Re: Mercury powerhead???

What can safeguard against this in future. I Do all the preventative maintenance and then some???? The engine was purring like a kitten and running cool. Had just cranked it up and was idling along!!! Plugs all burn exactly the same How are you suppose to know if one or more cylinders lean out and how long does this take to cause seizing? $5500 later, I dont want this worry! Any suggestions?
 
D

dcfrank

Cadet
Joined
Mar 21, 2005
Messages
20
Re: Mercury powerhead???

What can safeguard against this in future. I Do all the preventative maintenance and then some???? The engine was purring like a kitten and running cool. Had just cranked it up and was idling along!!! Plugs all burn exactly the same How are you suppose to know if one or more cylinders lean out and how long does this take to cause seizing? $5500 later, I dont want this worry! Any suggestions?
 
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