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WARNING
EWB02342
Always let the exhaust system cool prior to
touching exhaust components.
Do not start the engine with the spark arrester
removed. Sparks or exhaust particulate can
cause eye injury, burns, or start a fire.
EBU26812
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 lubrica-
tion chart.
TIP
A diagnostic tachometer is needed to make this
adjustment.
1. Start the engine and warm it up.
2. Attach the tachometer to the spark plug lead.
3. Check the engine idling speed and, if neces-
sary, adjust it to specification by turning the
idle adjusting screw. To increase the engine
idling speed, turn the idle adjusting screw in
direction (a), and to decrease it, turn the
screw in direction (b).
Tightening torque:
Tailpipe cover bolt:
8 N·m (0.8 kgf·m, 5.9 lb·ft)
1. Idle adjusting screw
Engine idling speed:
1500–1700 r/min
1
(a)
(b)
UBCX60E0.book Page 28 Friday, April 19, 2019 9:09 AM