'90 Merc 75hp won't start
 

Motor was starting and running fine all morning, wouldn't start in the
afternoon. Nearly full tank of gas and fuel line connected. Starter
engages flywheel, but only turns about an inch before stopping. Replaced
battery and spark plugs, but same result. Tried pull-starting motor, there
seemed to be alot of resistance, but that may just be normal compression. I
never tried to pull-start it before, but I was able to turn the motor with
the rope, so it is not seized. Is it likely the starter needs replacement?
Should I have been able to start the motor with the pull-rope or is that
just about impossible anyway? Any help is greatly appreciated!

'90 Merc 75hp won't start
 

"Bob Griffin" wrote in message
ink.net...
Motor was starting and running fine all morning, wouldn't start in the
afternoon. Nearly full tank of gas and fuel line connected. Starter
engages flywheel, but only turns about an inch before stopping. Replaced
battery and spark plugs, but same result. Tried pull-starting motor,
there seemed to be alot of resistance, but that may just be normal
compression. I never tried to pull-start it before, but I was able to
turn the motor with the rope, so it is not seized. Is it likely the
starter needs replacement? Should I have been able to start the motor with
the pull-rope or is that just about impossible anyway? Any help is
greatly appreciated!


Pull the plugs and see if it turns over, or if liquid comes out of the
sparkplug holes.