Adjusting The Engine Idling Speed; Adjusting The Throttle Cable Free Play - Yamaha SCORPIO 54D Owner's Manual

Adjusting the engine idling
speed
The engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.
The en gine should be warm before
making this adjustment.
TIP:
The engine is warm when it quickly
responds to the throttle.
Check the engine idling speed and, if
necessary, adjust it to specification by
turning the throttle stop screw.
To increase the engine idling speed,
turn the screw in direction (a). To de-
crease the engine idling speed, turn
the screw in direction (b).
PERIODIC MAINTENANCE AND MINOR REPAIR
EAU21320
b
1
1. Throttle stop screw
Engine idling speed:
1300–1500 r/min
TIP :
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
6-13
Adjusting the throttle cable
free play
The throttle cable free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
throttle grip. Periodically check the
a throttle cable free play and, if neces-
sary, adjust it as follows.
TIP :
The engine idling speed must be cor-
rectly adjusted before checking and ad-
justing the throttle cable free play.
EAU21370
6