Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 565Get this manual
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LEFT HAND NON-RATCHETING
- Outer SealMandrel (91-31108)Bearing CarrierMandrel Shoulder
5 Lubricate both seal lips with 2-4-C wTeflon Marine Lubricant (92-90018A12)
90-8