Honda Pioneer 1000 2017 Owner's Manual page 191

Adjustment
1. Remove the front seat (page 139).
2. Remove the clips (page 143).
UNDER FRONT SEAT
CENTER
3. Fold open the rubber dust cover.
4. Slide the sleeve back to expose the throttle cable adjuster.
5. Loosen the lock nut.
6. Turn the adjuster to obtain the correct freeplay.
7. Tighten the lock nut and reinstall the sleeve.
8. After adjustment, check for smooth operation of the accelerator pedal.
9. Install the remaining parts in the reverse order of removal.
UNDER FRONT SEAT
CENTER
increase
freeplay
throttle cable adjuster
clips
rubber dust cover
decrease
freeplay
sleeve
lock nut