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EBU40161
Periodic maintenance chart: Emission control system
TIP
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals in-
stead.
For odometer or hour meter-equipped vehicles, follow the month maintenance interval if the ATV isn't
ridden for the stated distance or engine operating hours.
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
data and technical skills.
NO.
ITEM
1
*
Fuel line
9
2
Spark plug
3
*
Valves
4
*
Fuel injection
Crankcase breath-
5
*
er system
CHECK OR MAINTENANCE
JOB
• Check fuel hoses for cracks or other damage, and
replace if necessary.
• Check condition and clean, regap, or replace if
necessary.
• Check valve clearance and adjust if necessary.
• Check engine idle speed.
• Check breather hose for cracks or other damage,
and replace if necessary.
month
1
Whichev-
er comes
240
km (mi)
first
(150)
hours
15
√
√
√
9-3
INITIAL
EVERY
3
6
6
1300
2500
2500
5000
(800)
(1600)
(1600)
(3200)
80
160
160
√
√
√
√
√
√
√
√
√
√
√
√
12
320
√
√
√
√
√
- Quick Links:
- Speed Limiter
- Engine Oil
- Engine Oil
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Troubleshooting
