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Old 04-01-2016, 10:11 AM   #6
cardude01's Avatar
City: Victoria TX
Country: USA
Vessel Name: Bijou
Vessel Model: 2008 Island Packet steadysailer
Join Date: Nov 2012
Posts: 3,671
Finally got shaft aligned after engine rebuild within .005"

Originally Posted by Capt.Bill11 View Post
The reality is a lot of boats are running around with misalignment. Especially the older Chinese built boats. Which can be hard to get into and/or keep in alignment without some re-engineering.

That is why I recommend using a coupling like these: Marine Transmissions, Velvet Drive, Paragon, marine transmission parts,

Not a cure all by any means. But they will cut down on vibrations and protect your transmission.

I often wonder how much vibration is "normal". On my little Yanmar at about 1500 rpm I get a pretty good vibration going when in gear. Not rattling my beer bottle type vibration but noticeable for sure. I only notice it when speeding up or slowing down since that's not an rpm I run the boat at. Do I add this to my list of worries? 😪
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