enigine knocking
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Senior User
Joined: Feb 2010
Posts: 156
Likes: 0
From: Rushville, NE
enigine knocking
i was looking at a 400m and the owner said its knocking but idk what it would take to fix it could it just be a bent push rod or....... any suggestions would be appreciated
Tuned
Joined: Mar 2011
Posts: 320
Likes: 0
If you're gonna buy a used engine with a known knock, my suggestion would be to do a complete rebuild on it anyways. If it's got a knock, what else is going wrong with it? That's what you have to ask yourself when buying something like that.
Posting Guru
Joined: Nov 2008
Posts: 1,647
Likes: 3
From: Halifx Pa
With an unknown knock, I would consider the engine to sell for junk price only. As said before expect a total rebuild, possibly boring the cylinders, new pistons, cam, possible crank work, or placement. When your done you want a piece of mind knowing your hard earned money was well spent, and everything is in order, and ready to provide you with a long life of service you will expect, and good luck with your project!
