Maintenance & Technical > KX500 Original

Clutch arm bearings

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hughes:
Thanks for the tips. I was going to replace if easy. I my start my winter tear down project earlier and wait until I pull the engine and split the cases. I am going to do complete engine rebuild this winter so I may wait until then. Thanks

hughes:
I was thinking about this tonight watching football. The clutch arm bearings are they lubed by the trany oil or do they require grease :?: It would be hard for them to fail with an oil bath from the trany. Mine looked dry and were worn.

John:
Football..?

They are lubricated by the tranny oil. My bearing where shot because of petrol leaking (dripping) from the fuel tap. The petrol penetrated the oil seal and "cleaned" out the oil.

If you are planning to scrap the top bearing without removing the cover, put a bit of cloth (or soft paper tissue) in the hole before you start. The pins are magnetic so you can pick the pices up with a magnet.

I would check the arm first and see if you really need a new one. Mine was wasted, it might be that you don't need to replace yours?

//John

barryadam:
I tried lots of special "tools" and decided I didn't want to damage the LHS case bore.  But by then I'd buggered up the lower bearing trying all these ideas.  I went to several dealers to see if they had a factory tool.  Several said they did, but when it got down to asking the mechanic, he had nothing.  One shop said they put a torch on the case and heat the cr@p out of it until they can drag the lower bearing out somehow.  I quickly snatched my case half back from that guy and said "no thanks".
I ened up going to M.C.E. racing in Vista.  Kevin has a KX500 and did a great job extracting the bearing, pressing in a new one, and fixing my cracked drain plug boss.  http://www.mce-racing.com/

I realize this doesn't help you much as it was OOF (out of frame), but clearly a bad design by Kawasaki maintenance-wise.  I think the trans oil lubes through the pushrod acesss area (not much).

Barry

hughes:
I removed the tank so I could straight shot at the bearings. I used a puller jaws and a slide hammer I use for marine engines. About three pops with the slide hammer and both bearings poped out. Going to bearing supplie to see if they can match. I had plenty of room to get the puller jaws under the lower bearing.

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