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2008 Kawasaki Ninja 250R Service Repair Manual

This is the most practical Service Repair Manual for the 2008 Kawasaki Ninja 250R Service Repair Manual Download ever compiled by mankind. Manual covers all the topics like: Engine Service, General Information, Transmission, Chassis, Lighting , Cooling System Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical System , Frame Fuel System,Fuel System (DFI)  etc

Models Covers:

Kawasaki EX250K8F

This manual covers:



General Information

Before starting to perform an inspection service or carry out a

  • Battery Ground
  • Edges of Parts
  • Solvent
  • Cleaning Vehicle before Disassembly
  • Arrangement and Cleaning of Removed Parts
  • Storage of Removed Parts
  • Replacement Parts
  • Tightening Sequence
  • Gasket, O-ring
  • Liquid Gasket, Non-permanent Locking Agent
  • Ball Bearing and Needle Bearing
  • Oil Seal, Grease Seal
  • Direction of Engine Rotation
  • Instrument
  • Electrical Wires
  • and more

EX250K8F Left Side View

EX250K8F Right Side View

Frame Number

Engine Number

Prefixes for Units:

Units of Temperature:


Periodic Maintenance

Inside Circlip Pliers

Fuel System (DFI)

Air Cleaner Element Cleaning

Engine Vacuum Synchronization Inspection

Idle Speed Inspection

Idle Speed Adjustment

Fuel Hose Inspection (fuel leak, damage, installation condition)

Cooling System

Engine Top End



Final Drive




Electrical System

Replacement Parts

and more


Fuel System (DFI)

DFI System

DFI System Wiring Diagram

Terminal Numbers of ECU Connectors

Main Throttle Sensor [A]

Oil Pressure Gauge, 5 kgf/cm :

DFI Servicing Precautions


Self-diagnosis Outline

Main Throttle Sensor Removal/Adjustment

Inlet Air Pressure Sensor Removal

Inlet Air Temperature Sensor Removal/Installation

Water Temperature Sensor Removal/Installation

The crankshaft sensor has no power source, and when the engine

Speed Sensor Removal/Installation

Vehicle-down Sensor Removal

Subthrottle Sensor Removal/Adjustment

Subthrottle Sensor Output Voltage Inspection

Oxygen Sensor Removal/Installation

Stick Coil ##1: Service Code 51

Stick Coil Primary Winding Resistance Inspection

Subthrottle Valve Actuator Removal

Radiator Fan Relay Removal/Installation

Air Switching Valve Removal/Installation

Oxygen Sensor Heater Removal/Installation

Oxygen Sensor Removal/Installation

Light Inspection

ECU Identification

ECU Fuse Removal

Fuel Pressure Inspection

Fuel Pump Removal

Fuel Injector Removal/Installation

Free Play Inspection

Idle Speed Inspection/Adjustment

Air Cleaner Element Removal/Installation

Fuel Tank Removal


Cooling System

Coolant Deterioration Inspection.

Water Pump Cover Removal

Radiator and Radiator Fan Removal

Thermostat Removal

Hose Installation


Engine Top End

Exhaust System

Compression Gauge, 20 kgf/cm :

Air Suction Valve Removal

Cylinder Head Cover Removal

Camshaft Chain Tensioner Removal

Camshaft Removal

Cylinder Compression Measurement

Valve Clearance Inspection

Cylinder Removal

Throttle Body Assy Holder Installation


Engine Lubrication System

Clutch Holder:

Clutch Lever Free Play Inspection

Clutch Cover Removal

Clutch Removal


Engine Removal/Installation

Engine Removal


Bearing Puller:

Crankcase Splitting

Crankshaft Removal

Starter Motor Clutch Removal/Installation

Balancer Removal

Shift Pedal Removal




Final Drive





Electrical System



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