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EBU15731
Periodic maintenance chart for the emission control system
NOTE:
8 For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
8 For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. However, keep in mind
that if the ATV isn't used for a long period of time, the month maintenance intervals should be followed.
8 Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
ITEM
Fuel line*
Spark plug
Valves*
Fuel injection*
Crankcase breather
system*
Exhaust system*
Spark arrester
ROUTINE
9 Check fuel hose for cracks or damage.
9 Replace if necessary.
9 Check condition.
9 Adjust gap and clean.
9 Replace if necessary.
9 Check valve clearance.
9 Adjust if necessary.
9 Check and adjust engine idle speed.
9 Check breather hose for cracks or damage.
9 Replace if necessary.
9 Check for leakage.
9 Tighten if necessary.
9 Replace gasket if necessary.
9 Clean.
month
Whichever
comes first
km
320
(mi)
(200)
hours
8-3
INITIAL
1
3
6
1300
2500
(800)
(1600)
20
80
160
2
2
2
2
2
2
2
2
2
2
2
2
EVERY
6
12
2500
5000
(1600)
(3200)
160
320
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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