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:

Alternator Rotor Removal
Remove the alternator cover (see Alternator Cover Removal). Clean off the oil from the outer circumference of the rotor. Hold the alternator rotor steady with the rotor holder [A] and suitable washer or plate [B]. Special Tools - Grip [C]: 57001-1591 Rotor Holder: 57001-1666 Flywheel P ...

Piston Ring End Gap Inspection
Place the piston ring [A] inside the cylinder (upper crankcase), using the piston to locate the ring squarely in place. Set it close to the bottom of the cylinder, where cylinder wear is low. Measure the gap [B] between the ends of the ring with a thickness gauge. Piston Ring End Gap ...

Cylinder Head Warp Inspection
Clean the cylinder head. Lay a straightedge across the lower surface of the cylinder head at several positions. Use a thickness gauge [A] to measure the space between the straightedge [B] and the head. Cylinder Head Warp Standard: – – – Service Limit: 0.05 mm (0.0020 in.) ...