EBU21741
Periodic maintenance chart for the emission control systemNOTE:
●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.
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| INITIAL |
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| CHECK OR MAINTENANCE | Whichev- | month | 1 | 3 | 6 | 6 | 12 |
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NO. | ITEM | er comes | km | 320 | 1300 | 2500 | 2500 | 5000 |
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JOB |
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| (mi) | (200) | (800) | (1600) | (1600) | (3200) |
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| hours | 20 | 80 | 160 | 160 | 320 |
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1 | * | Fuel line | ● Check fuel hoses for cracks or other damage, and |
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replace if necessary. |
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2 |
| Spark plug | ● Check condition and clean, regap, or replace if | √ | √ | √ | √ | √ |
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3 | * | Valves | ● Check valve clearance and adjust if necessary. | √ |
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| ● Check starter (choke) operation and correct if nec- |
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4 | * | Carburetor | essary. |
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● Check engine idling speed and adjust if neces- |
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5 | * | Crankcase breather | ● Check breather hose for cracks or other damage, |
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system | and replace if necessary. |
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