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Note：Increase cleaning times of air filter if the motorcycle is used on sandstone roadways or in severely polluted
environment, so that service life of the engine may be extended.
When the vehicle is driven at high speed or in frequent use with considerable service kilometers, its
maintenance degree should be increased.
Ensure the emission standards and pay attention to the following matters:
1〉Please use 92 or 95 unleaded gasoline only.
2〉Please use machine oil of specified Standard only.
3〉Please maintain the motorcycle according to stipulations in the regular maintenance table.
4〉 As to exhaust control system, random adjustment or replacement （including use of spark plug, idle adjustment,
ignition timing, carburetor adjustment）is strictly forbidden .
5〉Matters needing attention：
·The disorder of ignition, charge and fuel system will have great impact on the catalyst device, therefore, if you
feel disorder of the engine, please go to designated dealers or service centers of our Company for inspection,
adjustment or service.
· Please use 92 or 95 unleaded gasoline only, or else the catalyst device （four-stroke system）will be damaged.
(Two-stroke system)
6〉The exhaust control system of the product conforms to state regulations , so make sure to use parts from
Qianjiang when replacing any part of the system. And the replacement should be carried out by the designated
dealers or service centers.
17.3 Mechanical function of the exhaust control system
Outline
The countermeasure of exhaust gas is taking the four-stroke single-cylinder engine，carburetor mode as the
reference and adopts Air induction device to maintain fine exhaust level. In addition, the charcoal Canister Purge is
employed in vaporized exhaust.
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