Driveshaft Upper Oil Seal(s)

E

Energy Star

Recruit
Joined
Apr 26, 2010
Messages
2
There's a seal housing for the drive shaft upper seals (or backup oil seal & drive shaft upper seal) that goes right below the lower main seal on bottom of a DT75. Which way are the seals supposed to face?

Letter sides towards each other and lips away from each other?

Engine Numbers:

07501
504249
Mod. Des. DT75TCLF
 
CATransplant

CATransplant

Admiral
Joined
Feb 26, 2005
Messages
6,319
Re: Driveshaft Upper Oil Seal(s)

Wrong forum. This should go in the Yamaha forum, I think.
 
stylesabu

stylesabu

Master Chief Petty Officer
Joined
Aug 2, 2009
Messages
849
Re: Driveshaft Upper Oil Seal(s)

not sure which seals you are talking about, but if there are 2 then, 1 is to keep oil in and the other is to keep water out. the lips face opposite of each other.
 
9

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,880
Re: Driveshaft Upper Oil Seal(s)

I have seen double seals put in both ways. You will probably need to find a manual for that motor to be sure.
Is it drive shaft seal in lower unit or drive shaft seals on bottom of power head?
 
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