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:

Ignition Switch Replacement
Remove: Air Cleaner Housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter) Disconnect the lead connectors [A]. Remove: Steering Stem Head (see Stem, Stem Bearing Removal in the Steering chapter) Using a small chisel or punch [A], turn out the Torx bolts. ...

Crankshaft Installation
NOTE If the crankshaft is replaced with a new one, refer to the Connecting Rod Big End Bearing/Crankshaft Main Bearing Insert Selection in the Specifications. NOTICE If the crankshaft, bearing inserts, or crankcase halves are replaced with new ones, select the bearing inserts and check cleara ...

Connecting Rod Twist Inspection
With the big-end arbor [A] still on V block [C], hold the connecting rod horizontally and measure the amount that the arbor [B] varies from being paralleled with the surface plate over a 100 mm (3.94 in.) length of the arbor to determine the amount of connecting rod twist. If the conne ...