Kawasaki Ninja Service Manual: Exhaust Butterfly Valve Actuator Removal - Exhaust Butterfly Valve Actuator (Service Code 63)

Never drop the exhaust butterfly valve actuator especially on a hard surface. Such a shock to the actuator can damage it.

If the pulley bolt is removed without holding, the actuator damage will occur.

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]. ...

Other materials:

Main Throttle Sensor Resistance Inspection
Turn the ignition switch to OFF. Measure the main throttle sensor resistance in the same way as input voltage inspection, note the following. Disconnect the throttle sensor setting adapter [A] from the connector of the main harness side. Special Tool - Throttle Sensor Setting Adapter: 57 ...

Evaporative Emission Control System (California model only)
This system routes fuel vapors from the fuel system into the running engine or stores the vapors in a canister when the engine is stopped. Although no adjustments are required, a thorough visual inspection must be made at the intervals specified by the Periodic Maintenance Chart. Inspection ...

Clutch Installation
Apply engine oil to the needle bearing [A] and the sleeve [B]. Install: Needle Bearing Sleeve Install the clutch housing [A]. Fit the holes [B] and projections [C]. Engage the clutch housing gear and the crankshaft primary gear. Install the spacer [A] and the clutch ...