Maintenance & Technical > KX500 Original

Oily residue on Spark Plug

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don46:
The slide (throttle valve) is stamped on the bottom, where the needle comes through. Standard is a #7.  the slide works on the bottom end. keep in mind as you decrease the amount of oil you increase the amount of fuel while its miniscual it can make a difference.
the problem with keeping things standard is that your more than likely to rich and unless you change it it going to be that way.

kiwikx500:
Cheerz Don - true true true.

Will have a gander tomorrow at the slide.


"Happy days"


 :mrgreen:

kiwimonster:
hey kiwikx i run castrol tts at 40.1 ive never had to change a plug.  cheers.

markus18:
I've always believed that messing with your fuel:oil ratio is not the way to address rich/lean issues.  Your fuel:oil ratio should be determined by the manafacturer (of the bike or the oil) as needed to provide proper lubrication.  As mentioned below, decreasing the amount of oil in the fuel (with no other mods) actually increases the amount of fuel in the fuel:air ratio which enrichens the fuel:air mixture while decreasing lubrication.  Personally, I run RedLine at 40:1 and rarely foul plugs. It's easy to mix this ratio at one 16 oz. bottle of redline to 5 gallons of fuel.

Make sure you jet the bike to match your pipe and elevation.  Another factor that people often overlook is the reeds - basically, your 'valves' - they should match your pipe as well (low end, middle, or top end).

kiwikx500:
Cheers dudes

I'm gunning for 40:1 next week when I go for a blast

Some turkey has taken to the housing that houses the reeds with a file (mate spotted it, to change air flow or something, equivalent of porting )

Where backyard mechanics get off thinking they can do a better job with a file in the back yard than Kawasaki million dollar machining tools and design is beyond my comprehension  :-o

KX500 not quick enough by something else - if its truly available  :-D

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