Kawasaki Ninja Service Manual: Fuel Pump Relay (Service Code 46)

ECU Communication Error (Service Code 39)

ECU Communication Line Inspection When the data is not sent from the ECU to the meter unit for more than about 10 seconds, the service code 39 is displayed. The data is sent through the CAN commun ...

Fuel Pump Relay Removal/Installation

The fuel pump relay is built in the relay box [A]. Refer to the Relay Box Removal in the Electrical System chapter. ...

Other materials:

Fuel Hose Inspection (fuel leak, damage, installation condition)
If the motorcycle is not properly handled, the high pressure inside the fuel line can cause fuel to leak [A] or the hose to burst. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter) and check the fuel hoses. Replace the fuel hose if any fraying, cracks [B] or ...

Drive Chain Slack Adjustment
Remove the cotter pin [A], and loosen the rear axle nut [B]. Loosen the both chain adjuster locknuts [C]. If the chain is too loose, turn out the left and right chain adjusters [D] evenly. If the chain is too tight, turn in the left and right chain adjusters evenly, and kick the wheel f ...

Oil Cooler Installation
Replace the O-ring [A] with a new one. Apply grease to the new O-ring. Install the water hoses and hose clamps [A] as shown in the figure. Water Hose (About 300 mm, 11.8 in.) [B] Water Hose (About 130 mm, 5.1 in.) [C] Yellow Paint [D] Tighten: Torque - Water Hose Clamp S ...