ABS Reset Instructions

By Jim Johnson
June 2001

Following is the sequence which allowed me to reset the ABS-I system on my 1990 K100LT:

Providing you know for sure that nothing is wrong with the ABS-I system, here is a method to reset it for this particular bike.


Battery was out of circuit (dead) for more than a few hours. Upon inserting new battery and starting, ABS-I lights would not go out. *Both lights flashed simultaneously* Punching the ABS switch would cause both lights to stop flashing but remain on.

  1. Approximately 1 foot of wire with an alligator clip on one end.
  2. Ignition keys.
  3. Cold beer.
  1. Remove right side cover.
  2. Locate 3 pin terminal tied to upper frame member.
  3. Remove dead end blank from 3 pin terminal.
  4. Plug bare end of wire into middle socket on terminal.
  5. Ground alligator clip firmly to engine.
  6. Press ABS switch and hold.
  7. While holding ABS switch, turn ignition switch on and hold for a count of 20.
  8. Turn ignition switch off.
  9. Remove wire, reinstall dead end blank, snug everything up and replace side cover.
  10. Place wire with tool kit for possible future use.
  11. Stand back, drink beer and say. "Well, I'll be damned!!"
  12. Start bike and drive away happy!! ;-}

Kudos on this method are varied. Previous posting for clearing ABS faults by Richard Paton were generally correct but were not right for my bike. David Strauss of the /2 list serve (yes, i have a /2 also!) provided details more specific to this bike.

caution!!! this is for an operable abs-i system. please refer to other instructions on this page if your symptoms are other than those above!

jim johnson
1963 R60/2 "UUUGLY"
1975 R90/6 "BLUE MULE"
1990 K100LT "BLUE OX"