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.

NOTE

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

Throttle Body Assy Assembly


Throttle Body Assy Assembly


NOTE

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:

Water Temperature Sensor Resistance Inspection
Refer to the Water Temperature Sensor Inspection in the Electrical System chapter. If the reading is within the standard, but the problem still exists, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter). Water Temperature Sensor Circuit 1. ECU 2. Water T ...

Spring Tension Inspection
Since a spring becomes shorter as it weakens, check its free length [A] to determine its condition. If the spring of either fork leg is shorter than the service limit, it must be replaced. If the length of a replacement spring and that of the remaining spring vary greatly, the remaining s ...

Spark Plug Replacement
Remove the stick coils (see Stick Coil Removal in the Electrical System chapter). Remove the spark plugs using the 16 mm (0.63 in.) plug wrench [A] vertically. Replace the spark plug with new ones. Standard Spark Plug Type: NGK CR9EIA-9 Insert the spark plug vertically into the sp ...