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AIR INTAKE & EXHAUST SYSTEM
Exhaust Detecting System
Exhaust detecting system depends on two oxygen sensors
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mounted on exhaust pipes, and they can detect the air &
fuel combustion degree by measuring oxygen density and
transferring it as an electrical signal to the ECU� If the ECU
thinks that combustion is not thorough, it will adjust fuel
injection in accordance with signals from the Throttle Position
Sensor and Intake Air Temperature sensors� By this way, the
ratio of air to fuel can be optimized for thorough combustion�
Air Intake Valve
An air intake valve is a valve which allows fresh air to flow only from the air filter into the engine. Any air
that passes through the air intake valve is prevented from returning� Have a dealer inspect the air intake
valves in accordance with the Periodic Maintenance Chart� Also, have the air intake valves inspected
whenever stable idling cannot be performed stably, engine power is greatly reduced, or there are abnormal
engine noises�
Air intake valve removal and inspection should only be performed by an authorized CFMOTO dealer�
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