Mercury 110 acts if prop is slipping under power.

R

rfeest1

Recruit
Joined
May 22, 2011
Messages
1
My 1972 Merc 110 runs good but sometimes the engine revs up, but the boat speed does not pick up. almost as if the lower unit is slipping. Is there any easy way I can Find out what is happening? As you can probably tell I am not a marine mech!
 
Charlie61

Charlie61

Petty Officer 1st Class
Joined
Jul 27, 2011
Messages
253
Re: Mercury 110 acts if prop is slipping under power.

in forward gear engine off you can turn prop one way by hand in rev gear engine off you can not turn prop one way or the other. if it dones slip your prop may neede to be reworked or replaced.
 
C

CharlieB

Vice Admiral
Joined
Apr 10, 2007
Messages
5,617
Re: Mercury 110 acts if prop is slipping under power.

The rubber hub in the prop may be slipping at high load, like WOT. Draw a line across the hub and nut with a felt pen, run the boat and then look at your mark to see if it is still a straight line, if it has changed, take the prop to press out the hub and press in a new one.
 
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