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Old 01-25-2009, 09:03 PM   #1 (permalink)
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1994 zr 700 overheat please help

this is my first sled and i bought it about three weeks ago. The guy knew there was a problem with the clutch side cylinder and just disconnected the gas going to it so i would not notice. I was having an overheating problem and decided to pull the top end. On the same cylinder i noticed a lot of roughness and chafing. Also on the piston the edge was gone...like the crown was broken away a little. i will get a new piston for it. do you think that I wil be able to het the cylindar honed or will I have to replace it?it is not that bad. it is like the film is just gone of one side. also, the o-rings were shot so coolant was leaking into that cylindar, do you think that is what caused it?
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Old 01-26-2009, 09:08 AM   #2 (permalink)
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If the wall plating is gone, you will either have to have the cyl replated or replace the jug.
You can try cleaning up the walls with muratic acid and then a light honing will be needed.

This is a good lesson for anyone to always do a compression check when looking at a used sled as there are many dishonest people out there waiting for someone to come along who have no idea what they are looking at.
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Old 01-26-2009, 03:00 PM   #3 (permalink)
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alright thanks a lot for your help....now what do you mean by jug?
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Old 01-26-2009, 04:27 PM   #4 (permalink)
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jug= cylinder
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