Tohatsu Crank Shaft Labyrinth Packing

Sea Rider

Supreme Mariner
Joined
Sep 20, 2008
Messages
12,345
If an engine's crank case is being completely overhauled to new, is it necessary to change the Labyrinth Packing or can contunue to use the old one ? what's the purpose of this part, what does it do inside engine, any ideas, comments.

Happy Boating
 

pvanv

Admiral
Joined
Apr 20, 2008
Messages
6,500
Re: Tohatsu Crank Shaft Labyrinth Packing

We typically would install new.
 

Sea Rider

Supreme Mariner
Joined
Sep 20, 2008
Messages
12,345
Re: Tohatsu Crank Shaft Labyrinth Packing

Ok, what is the purpose of this part ? any related issues with crank shaft rpm ?
 

pvanv

Admiral
Joined
Apr 20, 2008
Messages
6,500
Re: Tohatsu Crank Shaft Labyrinth Packing

Oil retention.
 
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