8-3
8
EBU21743
Periodic maintenance chart for the emission control system
TIP
●
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
●
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
intervals should be followed.
●
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
data and technical skills.
NO.
ITEM
CHECK OR MAINTENANCE
JOB
INITIAL
EVERY
Whichev-
er comes
first
month
1
3
6
6
12
km
(mi)
320
(200)
1300
(800)
2500
(1600)
2500
(1600)
5000
(3200)
hours
20
80
160
160
320
1
*
Fuel line
• Check fuel hoses for cracks or other damage, and
replace if necessary.
√
√
√
2
Spark plug
• Check condition and clean, regap, or replace if
necessary.
√
√
√
√
√
3
*
Valves
• Check valve clearance and adjust if necessary.
√
√
√
√
4
*
Crankcase breather
system
• Check breather hose for cracks or other damage,
and replace if necessary.
√
√
√
5
*
Exhaust system
• Check for leakage and replace gasket(s) if neces-
sary.
• Check for looseness and tighten all screw clamps
and joints if necessary.
√
√
√
U2LB10E0.book Page 3 Thursday, March 7, 2013 4:13 PM
Summary of Contents for GRIZZLY 550 2013
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