Kawasaki Ninja Service Manual: Exhaust Butterfly Valve Actuator Inspection

Kawasaki Ninja Service Manual / Self-Diagnosis System / Exhaust Butterfly Valve Actuator (Service Code 63) / Exhaust Butterfly Valve Actuator Inspection

NOTE

Be sure the battery is fully charged

Remove the front seat (see Front Seat Removal in the Frame chapter).
Turn the ignition switch to ON.
In the left side view of the motorcycle, check to see the pulley [A] clockwise [B] and counterclockwise [C] smoothly.

Exhaust Butterfly Valve Actuator Inspection

The pulley turns clockwise and then counterclockwise, and clockwise again.

Turn the ignition switch to OFF.

If the pulley does not operate, check the exhaust butterfly valve actuator resistance (see Exhaust Butterfly Valve Actuator Inspection Resistance Inspection).

Exhaust Butterfly Valve Actuator Installation

Install the pulley [A] on the actuator so that the hole side [B] align with the groove [C] on the shaft. Make sure that the groove on the shaft is pointing toward the center of the screw [D]. ...

Exhaust Butterfly Valve Actuator Resistance Inspection

Turn the ignition switch to OFF. Disconnect the exhaust butterfly valve actuator lead connector (2 pins connector) [A]. Set the hand tester to the × 1 Ω range and connect it to t ...

Other materials:

Intake Air Pressure Sensor #2 Removal
NOTICE Never drop the intake air pressure sensor #2 especially on a hard surface. Such a shock to the sensor can damage it. Remove: Air Cleaner Housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter) Intake Air Pressure Sensor #2 Connector [A] Remove the intake air ...

Diode Circuit Inspection
Remove the relay box (see Relay Box Removal). Check conductivity of the following pairs of terminals (see Relay Box Internal Circuit in this section). Diode Circuit Inspection The resistance should be low in one direction and more than 10 times as much in the other direction. If any dio ...

Piston Removal
Remove: Crankshaft (see Crankshaft Removal) Remove the piston together with the connecting rod to the cylinder head side. NOTICE Discard the connecting rod bolts and nuts. To prevent damage to the crankpin surfaces, do not allow the connecting rod bolts to bump against the crankpins. ...