Maintenance & Technical > KX500 Original

need some help just bought kx 500

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Thorina:

--- Quote from: Hillclimb#42 on February 24, 2009, 12:43:46 PM --- I need your input for the big 1's on my Plate!!!!!!
--- End quote ---

Old school dirt track numbers.  :-D

khaavet:
Okay here is an update new clutch installed 165 main jet and 55 pilot checked kips working  good big diffrence big has slot more power to the ground frontend comeing up like it was going out of style on the street anyway still  need to do commpresion test but bike does not seem bogi on the low end can't wait to take it to the dirt finally I get to feel the  k5 power :-D

khaavet:
well i went rideing today and im not very happy with the way this bike is still not running right need to check compression any body have any idea what is wrong here have done new clutch jetting is right new piston and rings kips is working
only thing i did not do was to overhaul the cylinder (never been done since it was new 1990) bike seems like it does not have power front tire is not comeing up even on hard packed dirt unless im in 1st gear what else can it be other then the cylinder?

Hillclimb#42:
Its running good, but no wheelies? You have a new tire on it? Nobbs need to be square cornered, or it will spin alot on dirt. What gearing are you running?

Its blubbering still, like the choke is on? Does fuel come out of overflows? Overflows are clear and free flowing, if they needed to overflow? Floats stuck, out of adjustment or worn parts can flood mixture. Reeds not sealing with warped or broken petals can cause funky problems with power too. If they are junk, I suggest finding some Vforce. 5.5 average hp gain bolt-on, according to their paperwork. Good reeds help the mixture be true. I had broken petals, once and it started fine, but had no power. Other times they will have power, but not run on low end. Worth checking out.

Does it come on the pipe at some point? It should be stretching your arms or be squirrely, when turning it on. It can get to the top of the rev quick, but should be alot to handle in third. If not, something is out of tune or low on compression. It has "widow maker" power, you're at the right place to get it to make that power. Good Luck

khaavet:
the reeds are brand new. but a wierd thing happend when i started it the first time in the desert for about 2 min i was leaking gas out of the over flo tube what is this? then i went away. as far as gearing im runnig a stock set up 14 front 47 rear.

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