Maintenance & Technical > KX500 Original

K5 To sleeve or not to sleeve?

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2001KX5:
I was just speaking with Eric Gorr on the phone and said it might beable to be repaired but he would have to see it and it depends if the area is accessible.  He said if its not repairable then he can provide a new cylinder at his cost (~$350usd which is an absolute steal!) if I get the porting and top end kit from him. Total with the new cylinder and porting would be $640usd.  So I'm just going to send it off and be done with it really.

If I buy a new cylinder here it will cost me:

Cylinder ~$750
Piston ~ $140
Gaskets ~ $50
Total $940 Canadian

Worse case with Eric is $640usd or $730 canadian plus about $70 shipping total or $ 800 canadian, but I get oh so much more than if I did it all locally here.

So its still better to send it to Eric even with the USD currency exchange.

John:
That's some serious cracks you've got there. Not the ordinary waer & tear...

Where do you live? If you live in Europe I can recommend Stan Stephens in the UK. I am not sure these cracks are reparable. I have no experience with cracks this size... Seems like something has gone terrible wrong..? You should try to find out the reason ( and post it here). I would like to know what could cause this - so that I can avoud it if nothing else.

Sorry I can't help you more. Maybe Doordie have some bright ideas or experience he can share? He's familiar with cracks :roll:

//John

2001KX5:
I'm on the east coast of Canada. I don't know what happened or caused those severe cracks as I bought the bike like this full knowing the situation.  I assume it was leam jetting with poor quality oil and a lack of respect for the motor because by looking at the pistong and the bore, this just diden't occur out of the blue, but what I think was prolonged abuse.

musturbo:
Eric hooked you up ! I would not attempt to have that cylinder repaired.  I have seen minor stress cracks relieved but that is broken through and through.  go w/ eric gorr.

5dracing:
I know you probably don't know the entire history of the bike but, is there a chance that the bike got submerged while running. Hydraulics can do alot of damage and I've seen this happen to a friends bike. On his it actually stretched the threads in the block that hold the cylinder on. He happened to submerge his while moving forward and it sucked in water after the flame went out, serious lock up.

Just a thought.

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