Maintenance & Technical > KX500 Original
Drag racing a KX 500 gears???
wicked500:
i forgot to ask can i get away with using the chain thats on it now?
KX5Zuki:
What about an "override transmission"?? Full throttle shifts without the clutch, and no damage on the tranny gears? I would have made one by now, but I am still waiting on pics, etc. on how to do it. Nobody makes one for the KX500, just the drag quads that I know of. Anybody have any insight on this? The shift drum, and gears need to be modified, and heavier springs need to be added on the shift forks to make it possible.
Also, are the '86, '87, and newer transmissions the same? All interchangable parts?
Hillclimb#42:
--- Quote from: wicked500 on June 02, 2009, 05:23:13 AM ---should i go with a 13t front or a 14t front
--- End quote ---
--- Quote from: wicked500 on June 02, 2009, 05:23:55 AM ---i forgot to ask can i get away with using the chain thats on it now?
--- End quote ---
If you are 16, now, I would step down to a 15 first. 15-50 is close to the stock gearing 14-47. 1/8 mile is still a good distance I think to be any lower. Definately try to be back in the adjusters as far as possible. If that means adding links or which sprocket/chain combo to use . One tooth on the countershaft roughly equals three on the back. And changing one on back is noticeable, so keep that in mind, too.
I always pull 2nd wide open with the toe already under the shifter, when dragging. Try to get the tire to spin and then its a shiftin contest. We had good luck making the front wheel solid, with anything zip-tyed on the spokes. It helps to keep the staging lights broke, and therefore preventing a redlight.
oic0:
--- Quote from: KX5Zuki on June 02, 2009, 05:46:21 AM ---What about an "override transmission"?? Full throttle shifts without the clutch, and no damage on the tranny gears? I would have made one by now, but I am still waiting on pics, etc. on how to do it. Nobody makes one for the KX500, just the drag quads that I know of. Anybody have any insight on this? The shift drum, and gears need to be modified, and heavier springs need to be added on the shift forks to make it possible.
Also, are the '86, '87, and newer transmissions the same? All interchangable parts?
--- End quote ---
If I remember right, override transmissions blow up if you let off the gas while in gear. Great for draggin, horrible for everything else.
wicked500:
next question Is it hard to change the front sprocket any special tools involved thank you for all the input
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