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KX60 HELP! In need of rebuild!

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crazyolbastard:
Remember,  make one change and check results.
DO NOT make more than one change without checking your progress
( or lack of ) , your doal here should be to figure out what one change can do.
For example:  if you repack your yz silencer -  your jetting could be spot on.
Do all the simple stuff,   clean filter, fresh fuel at the correct ratio,
first before you deside which way to go, if at all, with the jetting.
You have a great coach who is willing and able to help.

Good luck young man.

Lookin forward to your results.

Out

Crazy   :-D

chris-mets:
well could i just buy 32:1 premix for the yz and put that in without changing anything? will that work?

CHris

Friar-Tuck:

  Read this:  Two-Cycle psycho
http://www.maximausa.com/lube-news/summer01.php

chris-mets:
Hey tuck,

I read the whole article and I tried fooling with the air screw and it seems that the air screw does nothing to how the bike is running...and it was running at a standstill for a minute and a ton of drool already there..

Chris

Friar-Tuck:
Hey Chris,
  The right side of the picture goes to your airbox and the left side of the carb goes to the engine.

Look at the arrow/line for the air screw (down and to the right), follow the path of the air as it mixes with the fuel of the pilot.
 This is the pilot circuit showing the air screw allowing more air (or leaning out) the fixed amount of fuel introduced by the pilot jet.  (don't be misled by the pic, the pilot and Air Screw are always open regardless of the needle and slide position)

(The top right inset in the pic is looking down at the air screw)


 Check this link out for the whole article, I know it may be long and boring.  read a little at a time and come back and Finnish later.  but it does a good job of explaining the whole nine yards :
 http://justkdx.dirtrider.net/carbtuning.html


  Get yourself a notebook or binder,  it doesn't have to be fancy. 
We need to record what changes we make and how the bike ran.

You asked earlier if you can run 32:1 in both bikes.   

 Yes, we can jet both bikes to run with 32:1 
That way you only have one fuel can, but I would strongly suggest a good pre-mix oil, preferably synthetic.
 
If you want to tackle this, which bike do you want to work on first?
 
   If you want to start with the YZ, you will need to remove the carb and write down the Numbers of the jets and what clip position the needle is, in your notebook.

If you want to tackle the KX we will need to get the next size smaller pilot.

  Let me know what you want to do.   

  Tuck \o/

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