Maintenance & Technical > KX500 Original

88´ KX500 KIPS positions

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b4himdude:
what year are those valves out of>?? because if thats a mod then holy crap bud that is about half of the amount of material compared to  what the Japanese engineers thought a valve should consist of.

peterma:

--- Quote ---They look pretty close
The top picture looks almost spot on
The bottom one looks like it opening a little too much/ This could down to not having the side guide bush not inserted fully{tighten philips screw}

You need to get both valves lined up with exhaust subport with rod fully out /like top picture/ with side guide bush fully  inserted {one with philips screw]
With that done you kipps timing is Spot on
DONT TRY SETUP TIMING ON CLOSED POSITION

You the can fix the over closing issue, usually needs about 5mm added on to the allen key stop bolt {flwheel side}

 As soon as the exhaust sub port closes is where u want to be on close position {rod in }

its is possible to modify the kipps rod with a internally stopper {i use a little nut} and ignore the timing marks
its is also possible to modify ONE OF the valves  /make the kipps chamber work better /BUT I WOULD NOT WORRY ABOUT DOING THAT UNLESS U HAVE A BIG UNDERSTANDING OF HOW IT ALL WORKS :-D
heres a pic anyway /arrow point to the nut stopper on kipps rod


--- End quote ---

You are correct - the top picture is spot on and can easily make the second valve open like this, but when I then push the rod in and the valves should close, they are not place alike and closed???
 

dave916:

http://www.dirtrider.net/justkdx/kips.html

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