Honda CB HORNET 160R 2015 Shop Manual page 89

6. Insert the probe into the muffler and measure the
carbon-mono-oxide (CO%) concentration.
CO measurement at idle: 0.7 – 0.8%
If the CO concentration is exist, adjust the pilot screw as
following.
7. Disconnect the vacuum hose of PAIR control valve, then
it connect the vacuum pump and plug the vacuum port.
Apply the specified vacuum to the PAIR control valve
vacuum hose more than 53.3 kPa (400 mm Hg) (make
sure the secondary air does not supply).
When PAIR 8. Start the engine and check the idle speed.
system stop,
IDLE SPEED: 1,400 ± 100 min
idle speed will
If the idle speed is out of specification, adjust the idle
change.
speed by turning the throttle stop screw with the PAIR
system stopped.
9. Turn the pilot screw and adjust the CO concentration.
CO measurement at idle: (secondary air does not
10. Disconnect the plug from the vacuum port, then remove
the vacuum pump and connect the vacuum hose of PAIR
control valve.
Start the engine.
Adjust the idle speed with the throttle stop screw if
necessary.
IDLE SPEED: 1,400 ± 100 min
Measure the CO concentration again.
CO measurement at idle: 0.7 - 0.8%
If the CO concentration is exist, check the secondary air
supply system (page 5-19).
(rpm)
-1
supply) 1.5 - 3.8 %
(rpm)
-1
CO MEASUREMENT TOOL
VACUUM HOSE
PLUG
CO MEASUREMENT TOOL
FUEL SYSTEM
VACUUM
PUMP
THROTTLE
STOP SCREW
5-17