Honda HHT31S Owner's Manual page 30

SERVICING YOUR HONDA TRIMMER
Throttle Cable Inspection
Verify the throttle trigger operates smoothly and the throttle cable is undamaged. If there is visible
damage, or if the throttle trigger does not operate smoothly, have your authorized Honda servicing
dealer replace the throttle cable.
Check the free play at the end of the throttle cable.
Free play (all models): 1/16 ~ 1/8 in (1.0 ~ 3.0 mm)
If adjustment is needed, use the following cable adjustment procedure.
Throttle Cable Adjustment
1. Loosen the lock nut with a 10 mm wrench, and turn the adjusting nut in or out as required.
2. Tighten the lock nut and recheck cable free play.
HHT31S
LOCK NUT
ADJUSTING NUT
28
CABLE END FREE PLAY
1/16 ~ 1/8 in (1.0 – 3.0 mm)
HHT25S
CABLE END FREE PLAY
1/16 ~ 1/8 in (1.0 – 3.0 mm)
LOCK NUT
ADJUSTING NUT