View Full Version : FB 460 Valve trouble ?
06-09-2007, 10:30 PM
I am new to this site & secrched this & found no compatble results. I have a FB 460 Kawasiki on a John deere walk behind that has died. I tore in to it & found that the Intake valve seat was cracked & the guide is loose or moves when the valve opens & closes. which is why I have only 50 PSI. of compresion. I was told that this is not repairable? Any Info that any of you can give me would be Apreciated. If this is not reparable then I will have to decide what to do next get a new or used motor or a new or used mower. Thanks in Advance for the advice.
06-09-2007, 11:18 PM
You were told correctly, It's non-repairable.
Time to start looking for a replacement.
06-09-2007, 11:25 PM
Any body Know where one is?
06-09-2007, 11:57 PM
Call this place; http://www.smallenginewarehouse.com/ Have all your engine numbers and it wouldn't hurt to measure your crankshaft also before calling.
06-10-2007, 08:38 AM
Thanks For the info.
06-10-2007, 09:25 PM
Is there any thing that caused this to happen? Or is there something that can be done to stop this from happing? Or is it nature of the beast ? Thanks
06-10-2007, 10:22 PM
Most likely from old age (high hours) possibly being over heated (grass build-up around cooling fins). This is really not a common occurrence, The best thing to do is keep up on maintenance and keep the cooling fins clear of grass debris.
06-10-2007, 10:27 PM
Thanks for the information.
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