force lower unit leaking lube from the shift screw

S

synergy141

Petty Officer 2nd Class
Joined
Oct 1, 2007
Messages
194
I have a 125hp force and there is gear lube leaking from the shift screw near the bottom of the lower unit casing . How can I stop this?
 
S

synergy141

Petty Officer 2nd Class
Joined
Oct 1, 2007
Messages
194
Re: force lower unit leaking lube from the shift screw

I heard you we not supposed to tighten or loosen the shift screw , should I go and just tighten it anyway?
 
roscoe

roscoe

Supreme Mariner
Joined
Oct 30, 2002
Messages
21,667
Re: force lower unit leaking lube from the shift screw

You can tighten it.
Do not remove it.
Hopefully that will stop the leak.
 
jerryjerry05

jerryjerry05

Supreme Mariner
Joined
May 7, 2008
Messages
17,927
Re: force lower unit leaking lube from the shift screw

Tighten then test it if you need to replace the seal.Then get the seal first!!!Any place that sells Merc stuff will have that or can get it.
When replacing it put the motor in neutral then remove the screw and replace as sonn as you can.
DO NOT MOVE ANYTHING!!!!!!! Don't touch the prop.Don't turn the motor over.Don't move the prop shaft.
It will mis-align the work and then it will cost$$$$ Jerry
 
Jack Daniels

Jack Daniels

Petty Officer 1st Class
Joined
Sep 21, 2007
Messages
266
Re: force lower unit leaking lube from the shift screw

Is there away to test to determine if anything is messed up after removign teh screw. How can you tell if its not working properly?
 
S

synergy141

Petty Officer 2nd Class
Joined
Oct 1, 2007
Messages
194
Re: force lower unit leaking lube from the shift screw

your motor will not shift properly so it will be out of alignment and make funny noises
 
roscoe

roscoe

Supreme Mariner
Joined
Oct 30, 2002
Messages
21,667
Re: force lower unit leaking lube from the shift screw

Then it will likely go bang.
 
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