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EBU21742
Periodic maintenance chart for the emission control system
1
TIP
G
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
2
G
For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance inter-
vals. However, keep in mind that if the ATV isn't used for a long period of time, the month maintenance
3
intervals should be followed.
G
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
4
data and technical skills.
5
6
NO.
ITEM
7
8
1
*
Fuel line
9
2
Spark plugs
10
3
*
Carburetors
11
Crankcase breather
4
*
system
5
*
Exhaust system
CHECK OR MAINTENANCE
JOB
Check fuel hoses for cracks or other damage, and
G
replace if necessary.
Replace.
G
Check starter (choke) operation and correct if nec-
G
essary.
Check engine idling speed and synchronization,
G
and adjust if necessary.
Check breather hose for cracks or other damage,
G
and replace if necessary.
Check for leakage and replace gasket(s) if neces-
G
sary.
Check for looseness and tighten all screw clamps
G
and joints if necessary.
month
1
Whichev-
er comes
km
320
first
(mi)
(200)
hours
20
√
8-3
INITIAL
EVERY
3
6
6
1300
2500
2500
5000
(800)
(1600)
(1600)
(3200)
80
160
160
√
√
√
√
√
√
√
√
√
√
√
√
12
320
√
√
√
√
√
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Troubleshooting
