Replacing forward gear on 115 94 Mercury

M

marinemike43

Petty Officer 3rd Class
Joined
Jun 23, 2009
Messages
95
Just wondering,can I replace the forward gear without replacing the pinion gear.
Trying to omit doing all the backlash.
(Didnt know if they have to be replaced at the same time due to wear like bearings and races)

Any help would be great

Thanks Mike
 

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corm

corm

Lieutenant Junior Grade
Joined
May 12, 2000
Messages
1,241
Re: Replacing forward gear on 115 94 Mercury

Hi,

Well....You will have to do the backlash anyway.
From the picture it is a little had to tell but it looks like you pinion gear is bad anyway.
 
C

CharlieB

Vice Admiral
Joined
Apr 10, 2007
Messages
5,617
Re: Replacing forward gear on 115 94 Mercury

Pinioon and shaft HAVE TO come out to get to the Forward gear, then you will know if you need a pinion or not.

Backlash MUST BE checked when changing EITHER pinion or Forward gear, unless you want to do it again soon when your new gear wears prematurely.

Pinion depth may remain the same but Forward gear bearing race may need reshimming. Won't know until you check on reassembly.
 
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