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older John Deere vibration?

I bought an older model "late 90s I think yellow deck" John Deere 48 inch 17 hp kawasaki commercial walk behind. The guy that had sold it to me because he got it free. I didn't think it was that bad, but when it starts it is extremely loud and seems to vibrate, . It has 525 hours on it and mows like a brand new one and runs great. I had 2 small engine places look at it. 1. said the balancer had came lose on the shaft. 2nd said it had a rod knocking. My thought is I'm going run it, for as little as I have in it. If anyone has any suggestions please let me know..:confused:
 

xcopterdoc

LawnSite Senior Member
Location
Parkton NC
pull the balancer shaft from the rear of the engine and see if its broken
 
I don't think I'm mechanical enough to do it, but I will give it a try.... Thanx for the suggestion
 
I'll look it right now..... Thanx charlie
 
I looked at the site I didn't see anyhing as far as repair "I may have missed it", but I did see where I could order a owners manual. I will order one this afternoon.... Thanx for the info..
 
I'm pretty sure it is an older version of the gs75.. 48 cut 17 hp 5 gears..... I will look at the other site right now.... Thanx again.....
 
Charlie that is my mower..... I'm going to see if I can read it and find the balancer/shaft........
 
No luck I could find it on there... it was the same mower but it didn't tell me what would be causing it or how to pull the shaft....
I appreciate you taking the time to look up the website, a lot of people wouldn't have went to the much trouble.... Thanx again!
 
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