Finished re-assmbling my Merc 40 HP

Bill kubiak

Chief Petty Officer
Joined
Jan 31, 2004
Messages
629
All new fuel hoses, new carb kits, new gaskets on exhaust cover and diverter and head cooling chamber, clean plugs, cleaned and reused two check valves, one in the oil line and one in a fuel return line, both were stuck open, set the carbs adjusters to 1 1/2 turn, fired it up. ran smooth when warmed up it idles at 500 RPM, not goona touch anything except maybe boost that idle rpm a tad.
 
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gm280

Supreme Mariner
Joined
Jun 26, 2011
Messages
14,605
Nice when a plan comes together isn't it? :thumb:
 

Bill kubiak

Chief Petty Officer
Joined
Jan 31, 2004
Messages
629
Now that I have it running smooth as can be I have to pull the powerhead to fix some other issues
 

GA_Boater

Honorary Moderator Emeritus
Joined
May 24, 2011
Messages
49,038
Don't forget to fine tune the idle needle screws on the water.
 

Bill kubiak

Chief Petty Officer
Joined
Jan 31, 2004
Messages
629
Thanks for the reminder, it is running so good I almost hate to touch anything
 
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