Adjusting The Engine Idling Speed - Yamaha Y16ZR 2021 Owner's Manual

Adjusting the engine idling
speed
The engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals speci ed in the
periodic maintenance and lubrication
chart.
The engine should be warm before
making this adjustment.
Check the engine idling speed and, if
necessary, adjust it to speci cation by
turning the idle adjusting screw. To in-
crease the engine idling speed, turn
the screw in direction (a). To decrease
the engine idling speed, turn the screw
in direction (b).
(a)
1. Idle adjusting screw
EAU34302
Engine idling speed:
1300–1500 r/min
TIP
If the speci ed idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
(b)
1
Periodic maintenance and adjustment
8-15
Adjusting the throttle grip free
play
Measure the throttle grip free play as
shown.
4
(a)
(b)
1. Rubber cover
2. Throttle grip free play adjusting nut
3. Locknut
4. Throttle grip free play
Throttle grip free play:
3.0–7.0 mm (0.12–0.28 in)
Periodically check the throttle grip free
play and, if necessary, adjust it as fol-
lows.
EAU48434
1 2 3
8