PERIODIC MAINTENANCE AND MINOR REPAIR
6-16
6
out with compressed air as shown.
If the air filter element is damaged,
replace it.
6. Insert the air filter element into the
air filter case.
CAUTION:
ECA10480
●
Make sure that the air filter ele-
ment is properly seated in the
air filter case.
●
The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
7. Install the air filter case cover by in-
stalling the screws.
CAUTION:
ECA15410
Make sure that the fuel tank breath-
er/overflow hose is not pinched.
8. Install the intake air shroud by in-
stalling the screw and the quick
fastener screws.
9. Install the panel.
EAU21310
Checking the engine idling
speed
The engine idling speed must be
checked as follows and, if necessary,
adjusted by a Yamaha dealer at the in-
tervals specified in the periodic mainte-
nance and lubrication chart.
Start the engine and warm it up for sev-
eral minutes at 1000–2000 r/min while
occasionally revving it to 4000–5000
r/min.
NOTE:
The engine is warm when it quickly re-
sponds to the throttle.
1. Fuel tank breather/overflow hose
Engine idling speed:
1000–1100 r/min
U3P620E0.book Page 16 Tuesday, January 24, 2006 10:47 AM
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