Jims 6-Speed Overdrive Super Kit


  • Designed to turn stock 5-speed transmission into a 6-speed
  • Reduces vibration that creates wear
  • Creates a more relaxing cruising speed
  • All gear sets use 2.94:1 close-ratio 1st gear that widens bike's speed range in 1st gear and lessens the rpm drop when shifting into second
  • Overdrive 6th gear (.86:1 ratio) lowers engine rpm by almost 475 at 75 mph
  • Made in the U.S.A.
  • Requires speedometer sensor block-off plate kit; if speedometer is not driven from transmission, then two block-off plates kits are required.
  • Requires speedometer be recalibrated.
  • Trap door extends 3/8" farther to right than stock part. Alteration to some parts that attach to or around the trap door may be required.