Maintenance & Technical > KX500 Original

need some help just bought kx 500

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KX500freak:

--- Quote from: Thorina on February 24, 2009, 08:47:54 AM ---
--- Quote from: khaavet on February 24, 2009, 06:24:46 AM ---well ibought the bike for 850 dollars so i think that is a good deal the guy i bought it from did not know about bikes. like i said he never changed the clutch in 19 years so i think that it is fried all he ever did was change the rings once about 10 years ago this bike was riden about 15-20 trips per year so it got a fair amount of hours on it. i think it is a combo of things the kips may not be working correctly the jetting is off the clutch is bad so i have to do the jetting check the kips change the clutch after that has been done the only thing i can think off is that the cylinder is done and needs to be re plated
what do you guys think? :?

--- End quote ---

Ok, there were more posts while I was typing.
After reading your response, my best advice to you would be to buy a manual...Clymer is very good....and ask a local friend with some mechanical knowledge to help you.

It is likely that getting help on the internet might not be the best way to get your bike running well. It's not an insult, just advice.

Anyway....good luck to you.

peace,
janette

--- End quote ---


buying the manual is indeed first prio i,d say too.
but in the mean time there,s a great deal of knowledge about the k5 here ,its kxriders after all..
and for those who don,t have a database of years of racing ,it has been very helpfull
this is not just (the internet ) but more off a big extended family affair where help is in every corner .

khaavet:
okay thank you i will do that

khaavet:
anybody know what the compresion shoulde be?

KX500freak:
use the search  :-)
then you ,ll find the info .
i searched and the manual says min.105 psi max 164 psi

Hillclimb#42:
 Yeah, I agree that 60 could be fat. Plug should be dry and tan after running. If it needs rebuilt, though, and she smokes alot, all the time, crank seal would be worn. Then she would be sucking oil and giving you a rich reading on the plug. If you can start it without boots, it needs a top-end. The right thing to do is pull the top-end and check your cylinder plating, piston condition. There's an excellent post on piston color and appearance reading, just like the one on spark plugs.
 You should be able to get the power valve cover off, and watch it work. When the engine revs, it comes out like an inch. Sometimes carbon and oily goop hold it up and choke off the power. Usually you can get it free, but its full inside. If its just a little stuck, you may be able to go rippin' and help it. I'm guessin' its that powervalve, or if she smokes like a smoke bomb, then its crank seals.

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