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Discussion Starter #1
I just picked this up over the weekend. I dont know much about it but I got it for free with a title and a sportsman trailer so I cant complain. I primed it with some gas out of my boat (Mixed) and jumped it off and it started up pretty fast but it looks like the coupler is wobbling. I pulled the pump and the shaft look straight. I havent had the time to look into further it but have checked on line and havent found any thing on the subject. this is causing alot of noise and vibration but only when the pump is on. Any advise
 

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4 Posts
Discussion Starter #6
The impeller looks fine and the bearings feel fine. When you spin it over theres a 1/8" to 1/4" wobble of the coupler and from the looks of the pics I have found the crank is tappered so imo its either a bent crank or a loose coupler. The coupler appears to be tight.
 
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