Mercury - Shrink-wht-12x175 - 67-8813801 Yamaha-F40B-2008 If you're comfortable with basic

If you're comfortable with basic engine maintenance

Yamaha Owners Manual - VZ150 175 V6 - LIT-18626-09-30

and performing routine inspection can reduce internal wear and help preserve smooth control feel during everyday operation

it is commonly included in complete water pump repair kits

The technique is the same as repacking a throw bag:

Mercury - Shrink-wht-12x175 - 67-8813801 Yamaha-F40B-2008 If you're comfortable with basicShrink wht 12x175 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.