Belt dust

[lucchino21v]

I have the same boat and motor set up. I second the blower hose fix, but also the idler pulleys are notorious for causing issues with the belt. I change the belt and pulley every 2 seasons. You can usually tell it’s time by a loud screeching sound under load.


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[civilgee]

The idler pully? The pully that is used to tighten the belt? If so, where do you get it and do you have apart number


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[lucchino21v]

When I buy parts for mine it’s always a cross reference with 99 Chevy 5.7 P/U w/o AC. It’s located on the top right of your motor if you are facing the transom. That’s for a MAG MPI


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[TeamAllen]

If you are looking for Merc part #s, you can enter your engine serial # on this site and go through the correct diagrams.
https://www.perfprotech.com/mercury-...-parts-catalog