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YS110 FZ Front Bearing Oil Seal

Old 07-01-2007, 07:38 AM
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Default YS110 FZ Front Bearing Oil Seal

Is the Front bearing oil seal installed with the "cup" or "u" side facing the rear of the engine or towards the propeller??
Old 07-01-2007, 11:23 AM
Troy Newman
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Default RE: YS110 FZ Front Bearing Oil Seal

The cup faces toward the engine...away from the Prop

As internal pressure in the engine builds up the cup will flare out and seal....if you install it with the cup facing the prop its going to leak.

Troy Newman
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