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ROYAL ENFIELD VEHICLE SERVICE MANUAL - EURO IV
178
4. HEGO SENSOR ( O2/LAMBDA SENSOR)
The HEGO sensor is located on the exhaust down pipe, just after the cylinder head.
SPECIFICATION
Operating Voltage : 16V (Max)
Operating temperature: 600ºC - 950ºC
It detects residual oxygen in the exhaust gases versus the amount of oxygen in the atmosphere and provides the
data on a real time basis to the ECU based on which the fuel injection is metered continuously to control exhaust
emissions and for optimum performance of the motorcycle.
5. EXHAUST AIR INJECTION UNIT (SOLENOID)
The exhaust air injection unit (EXAI) is located underneath the fuel tank.
In addition to the Hego sensor, the EXAI gets inputs from the ECU to supply filtered air into the exhaust end of the
cylinder head, primarily during idling RPM so as to meet exhaust emission specifications.
SPECIFICATION
Operating voltage : 10 V to 14.5 V
Operating Temperature: - 20°C to +120°C
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Содержание Bullet Classic EFI
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