Kawasaki Ninja Service Manual: Throttle Body Assy Disassembly

Kawasaki Ninja Service Manual / Fuel System (DFI) / Throttle Body Assy / Throttle Body Assy Disassembly

Throttle Body Assy Disassembly

1. Throttle Body Assy

2. Subthrottle Valve Actuator

3. Idle Speed Control Valve Actuator

4. Main Throttle Sensor

5. Subthrottle Sensor

6. Primary Fuel Injectors

7. Delivery Pipe Assy

NOTICE

Do not remove, disassemble or adjust the main throttle sensor, subthrottle sensor, subthrottle valve actuator, throttle link mechanism and throttle body assy, because they are adjust or set surely at the manufacturer. Adjustment of these parts could result in poor performance, requiring replacement of the throttle body assy.

Remove the throttle body assy (see Throttle Body Assy Removal).
Remove the screws [A] to pull out the primary fuel injectors [B] from the throttle body assy together with the delivery pipe assy [C].

NOTE

Do not damage the insertion portions of the injectors when they are pulled out from the throttle body.

Throttle Body Assy Assembly

Pull out the primary fuel injectors [A] from the delivery pipe assy [B].

Throttle Body Assy Assembly

NOTE

Do not damage the insertion portions of the injectors when they are pulled out from the delivery pipe assy.

NOTICE

Never drop the primary fuel injector especially on a hard surface. Such a shock to the injector can damage it.

Throttle Body Assy Installation

Apply a thin coat of grease to the throttle cable lower ends. Fit the accelerator cable end [A] and the decelerator cable end [B] into the throttle pulley. Install the clamp [C] securely. ...

Throttle Body Assy Assembly

Before assembling, blow away dirt or dust from the throttle body and delivery pipe assy by applying compressed air. Replace the O-rings [A] of the joint pipe [B] with new ones. Apply engine o ...

Other materials:

Pressure Testing
Remove: Upper Fairing Assembly (see Upper Fairing Assembly Removal in the Frame chapter) Radiator Cap [A] Remove the radiator cap in two steps. First turn the cap counterclockwise to the first stop. Then push and turn it further in the same direction and remove the cap. Install the ...

System Components
1. FI ECU The FI ECU analyzes the motorcycle conditions based on the signals from the front/rear wheel rotation sensors and FI sensors (such as the crankshaft sensor and main throttle sensor), and controls engine power by reducing the number of ignition and retarding the ignition timing. The m ...

Compression Damping Force Adjustment
To adjust the compression damping force, turn the compression damping adjuster [A]. The standard adjuster setting is the 4 1/2 turns out from the fully clockwise position. WARNINGIf both adjusters are not adjusted equally, handling may be impaired and a hazardous condition ma ...