Maintenance & Technical > KX500 Original
2000 KX500 Project
Motorrad:
Yes. Packard have me the 5.2xl also... But my big bore didn't like it.. (I'm 90mm).
Most k5's at your state of tune end up on a 4-2xl needle set at 2.025" and the power jet set at 1.25-1.75 turns OUT FROM BOTTOM. At sea level
With the big bore (not sure if 88 will make it show up). 90 sure does... You will have a lean spot right off idle (think throttle opening it takes to idle across flat ground in second). That is a bitch to tune out....
Like anything jetting... Use your head.. Don't blow your s**t up because of what some guy on the net said...
Pmcg:
So the 5-2 was way to rich the way it came. I ended up leaning it out 1.25 turns. I spoke with Packard today. They seemed to think that the 5-2 was the way to go. They said that my foam filter was likely the issue and that I should try a k&n cone filter. I'm going to give it a try. The bike revs really quick but surges pretty bad after I cut the throttle.
Motorrad:
--- Quote from: Pmcg on October 12, 2015, 01:18:45 PM ---So the 5-2 was way to rich the way it came. I ended up leaning it out 1.25 turns. I spoke with Packard today. They seemed to think that the 5-2 was the way to go. They said that my foam filter was likely the issue and that I should try a k&n cone filter. I'm going to give it a try. The bike revs really quick but surges pretty bad after I cut the throttle.
--- End quote ---
What's the measurement on the needle
Pmcg:
I'm not sure. How do they measure the needle? Is it turns from bottomed out like an airscrew?
Pmcg:
New filter cam in and its huge
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