Maintenance & Technical > KX500 Original
01-500, eng surges/pulses after run.
KXcam22:
Doordie,
Thanks Doordie, I'll test out your theory on my bike. It surges worse than most and is due for a rebuild any day. I'll check out the KIPS timing and see how far off it is. Will be easy to tell the difference when I fire it up for break in. Cam.
doordie:
KXcam22,
I belive this take care of the most of problem! :wink:
But do we have a good "electric man" who can
check more precise if our engines fires 2 times
each stroke? :roll:
Why I think that?
I have buyed a TINY-TACH and it show double RPM.
It suppose to read 1 spark each revolution and now
show twice..... :shock:
If it fires twice every revolution, my teory of the surges and pulses
come to MORE sense! :lol:
(I will explain later)
//doordie
demographic:
--- Quote from: doordie ---KXcam22,
I belive this take care of the most of problem! :wink:
But do we have a good "electric man" who can
check more precise if our engines fires 2 times
each stroke? :roll:
Why I think that?
I have buyed a TINY-TACH and it show double RPM.
It suppose to read 1 spark each revolution and now
show twice..... :shock:
If it fires twice every revolution, my teory of the surges and pulses
come to MORE sense! :lol:
(I will explain later)
//doordie
--- End quote ---
Are you sure that you have the Tiny tach wire wrapped around the HT lead the right number of times? aparently if it's wrapped round too many times it can give a false reading.
KXcam22:
Doordie,
I'll put my new super oscilloscope on my ignition and see. Is it possible your tach is seeing the coil discharge and then charge again. Also in your KIPS theory how would jetting fit in? Seems that for most the surge only shows up once the jetting has been leaned out. It's completely melted here, ice is rotten.....and then it snowed 14". Cam.
doordie:
demographic,
I wrap it 4 times as instruction describe.....I will test fewer wraps.
But I borowed a another tach(2 stroke)with crocodile jaw from a friend and
it shows the same double rpm,very strange. :?
KXcam22,
Thx mate, try your oscilloscope and see if you can figured out it. 8)
By the teory, maybe with leaner jetting you get more fireable
air/fuel/old exhaust mixratio inside exhaust chamber,but I will "think" some more
and see if I get some another clue. :wink:
mun,my finnish friend,do you have a clue?
But IF we have twinsparker here, It?s a solved problem! :wink:
Adjust your KIPS anyway guys and feel a right adjusted engine with
a huge grunt of lowend! :lol:
The weather is F....ed?up here too :evil:
one day cold ,next day spring with plus degrees. :cry:
//doordie
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