8-3
1
2
3
4
5
6
78
9
10
11
EBU22403
Periodic maintenance and lubrication chart
NOTE:
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. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1200
(750)2400
(1500)2400
(1500)4800
(3000)
hours 20 75 150 150 3001
*
Fuel line
Check fuel hoses for cracks or other damage, and
replace if necessary.
√√√
2 Spark plugs
Replace.
√√√√√
3 Air filter element
Clean and replace if necessary.Every 20–40 hours (more often in wet or
dusty areas)
4
*
Clutch
Check operation and adjust if necessary.
√ √√√
5
*
Front brake
Check operation and correct if necessary.
Check fluid level and ATV for fluid leakage, and
correct if necessary.
√√√√√
Replace brake pads. Whenever worn to the limit
8-51
1
2
3
4
5
6
78
9
10
11
EBU25841
Troubleshooting charts
Starting problems or poor engine performance
Check the fuel level in
the fuel tank.1. Fuel
There is
enough fuel.
There is
no fuel.
Supply fuel.
Operate the kickstarter.2. Compression
There is compression.
There is
no compression.Check the ignition.
Have a Yamaha dealer
check the ATV.
Remove the spark plugs
and check the electrodes.3. Ignition
Wet
DryWipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the ATV.The engine does not start.
Have a Yamaha dealer check the ATV.
Open the throttle halfway and operate
the kickstarter.
Check the compression.
The engine does not start.
Check the compression.
