Honda AQUATRAX R-12X 2005 Owner's Manual page 154

Throttle
ENGINE COMPARTMENT
(2) sleeve (3) adjuster
(4) lock nut
146
Servicing Your Honda
(3)
(4)
(2)
Adjustment
For throttle adjustments, use the adjuster
shown in the illustration.
1. Remove the seat (page 117).
2. Slide the sleeve (2) back to expose the
adjuster (3).
3. Loosen the lock nut (4).
4. Turn the adjuster (3).
5. After adjustment, check for smooth
operation of the throttle lever from fully
ON to fully OFF in all steering positions.
6. Reinstall the sleeve.
7. Install the seat.