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Hey everyone,
I’m having an issue at idle. Started happening a few weeks ago out of the blue. In gear at idle I’m hearing a very loud “clanking” noise. When I throttle up 50-100 rpm it goes away. Sounds like gear clatter, but I’m no expert. How do I adjust idle rpm and what is the safe maximum idle rpm to increase to?
Cummins 6bta 315 M2 nippondenso
Side note: since this problem started I noticed my shaft nuts are loose when I hauled the boat out. Prop slid right off, which has never happened before. I’ll be lapping shaft and prop to make sure I’ve got the proper fit. I’ve never had prop loosen before, so I don’t know why that would just start happening. Any advice would be greatly appreciated!
Connor
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