75HP Mercury LU reinstall, now not shifting

Deas

Cadet
Joined
Mar 12, 2005
Messages
8
Bought 2nd hand LU to swap my pooched one, for 1987 75HP Mercury bigfoot A729226. Reinstalled and turned flywheel to line up driveshaft splines, everything bolted up great but no shifting. Shift F-N-R and prop always in neutral. Seems upper and lower shift shafts are not engaging. Or ??? Any ideas?
 

rabidfish

Senior Chief Petty Officer
Joined
Oct 3, 2000
Messages
788
Re: 75HP Mercury LU reinstall, now not shifting

Check the shift shaft at the engine. Does it work when you work the control?<br /><br />Then remove the lower unit... Does it shift when you work the shift shaft by hand?<br /><br />Answer these two questions, and we can go from there...
 

andrewkafp

Lieutenant Commander
Joined
Mar 15, 2003
Messages
1,668
Re: 75HP Mercury LU reinstall, now not shifting

Remove the LU. Put the remote in neutral. Then turn the lower shift shaft spline (Sticking out of LU) until that's in neutral. Re-fit LU.
 
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