Cfmoto 450NK (2023+) - Workshop Repair Manual - Maintenance

CFMOTO 450NK (2023+) - SERVICE MANUAL - REPAIR MANUAL

- English Service Manual / Repair Manual for motorcycles Cfmoto 450N Kfrom 2023.
- Edition item: CF400-7 CF400-7F CF400-7US(6AQV-00WX01-11) SM-20250122
- 450NK:CF400-7 CF400-7F CF400-7US


CONTENTS:

1 GENERAL INFORMATION
- 1.1 Notice
- 1.2 Removal & Installation Attention
- 1.3 Number Engrave Place
- 1.4 Fuel Evaporation System Diagram

2 MAINTENANCE INFORMATION
- 2.1 Daily Maintenance Schedule
- 2.2 Break-In Maintenance Schedule
- 2.3 Periodic maintenance schedule

3 TECHNICAL INFORMATION
- 3.1 Main parameters of the vehicle
- 3.2 Main parameters of the engine
- 3.3 Maintenance Parameters Table
- 3.3.1 Front wheel
- 3.3.2 Rear Wheel
- 3.3.3 Brake System
- 3.3.4 Light, Dashboard and Switch
- 3.4 Overhauling parameters Table
- 3.4.1 Valve Train+Cylinder Head
- 3.4.2 Lubrication System
- 3.4.3 Cylinder+Piston+Piston ring+ and Connecting rod
- 3.4.4 Clutch+Transmission
- 3.4.5 Cooling System
- 3.4.6 Air Inlet System
- 3.4.7 Electrical System
- 3.5 Tighten Torque
- 3.5.1 Tighten torque Table for Vehicle
- 3.5.2 Tighten torque Table for Engine
- 3.6 Running Materials & Assembling Materials
- 3.6.1 Vehicle Running Materials
- 3.6.2 Engine Running Materials & Assembling Materials

4 SEAT
- 4.1 Seat Removal
- 4.2 Seat Installation

5 BODY COVERING PARTS
- 5.1 Front Fender Assembly
- 5.1.1 Front Fender Deco Covers
- 5.2 Dashboard Assembly
- 5.2.1 Deco Cover on Dashboard
- 5.2.2 Deco Cover under Dashboard
- 5.2.3 Dashboard Deco Cover
- 5.3 Front Headlight Assembly
- 5.3.1 Remove the Front Headlight Assy
- 5.4 Radiator LH outer Deco Cover
- 5.5 Radiator LH inner Guard & LH Deco Cover Assembly
- 5.5.1 Disassemble the Radiator LH inner Guard & LH Deco Cover Assembly
- 5.6 Disassemble the Radiator RH inner Guard & RH Deco Cover Assembly
- 5.7 Guard under Seat and LH&RH Tail Light Cover Assembly
- 5.7.1 Disassemble the Guard under Seat and LH&RH Tail Light Cover Assembly
- 5.8 Fuel Tank Deco Panel Assembly
- 5.8.1 LH & RH Side Fuel Tank Guard
- 5.8.2 Fuel Tank Lock Assembly
- 5.8.3 Deco Cover behind the Fuel Tank
- 5.8.4 Disassemble the Fuel Tank Deco Panel Assy
- 5.8.5 Disassemble the Fuel Tank Deco Panel Assy
- 5.8.5.1 Fuel Tank Front Deco Cover 
- 5.8.5.2 Ignition Lock Rubber Ring
- 5.8.5.3 Fuel Tank Middle Guard
- 5.8.5.4 Fuel Tank RH Guard
- 5.8.5.5 Fuel Tank RH Deco Strip
- 5.8.5.6 Fuel Tank RH Lower Deco Strip
- 5.8.5.7 T-BOX Bracket
- 5.9 Fuel Tank Guard Bracket
- 5.10 Rear Fender Assy
- 5.10.1 Disassemble the Rear Fender Assy
- 5.11 Disassemble the License Light Assy
- 5.12 Vehicle Cover
- 5.13 Vehicle LH Lower Guard
- 5.14 Battery Seat
- 5.14.1 Heat Insulation Rubber
- 5.14.2 Battery Seat
- 5.15 Skid Plate
- 5.15.1 Rear Tail Light
- 5.16 Vehicle RH Deco Cover;
- 5.17 Engine LH&RH Lower Guard
- 5.17.1 Engine LH Lower Guard
- 5.17.2 Engine RH Lower Guard
- 5.18 Small Sprocket Guard
- 5.19 Muffler Guard
- 5.20 Rear Wheel Fender
- 5.21 Water Box Guard

6 FUEL SYSTEM
- 6.1 Fuel Tank Removal
- 6.2 Fuel Evaporative System
- 6.3 Fuel Pump
- 6.4 Floating Ball

7 LIGHTS, DASHBOARD AND SWITCHES
- 7.1 Maintenance Information
- 7.1.1 Operation Caution
- 7.2 Trouble Shooting
- 7.3 Ignition Switch
- 7.4 Front Brake Light Switch
- 7.5 Handlebar Switch
- 7.5.1 LH Handlebar Switch
- 7.5.2 RH Handlebar Switch
- 7.6 Fuel Level Sensor
- 7.7 Battery
- 7.8 Ground Wire
- 7.9 Vehicle T-BOX

8 ELECTRICAL SYSTEM
- 8.1 Diagnostic Tools
- 8.2 Charging System
- 8.2.1 Magneto Coil Resistance
- 8.2.2 Magneto Non-loaded Performance
- 8.2.3 Starter Relay
- 8.2.4 Regulator
- 8.3 EFI System
- 8.3.1 EFI Structure
- 8.3.1.1 Sensors
- 8.3.1.2 ECU
- 8.3.1.3 Actuator
- 8.3.2 EFI System Maintenance Notice
- 8.3.3 EFI Components and Function
- 8.3.3.1 ECU
- 8.3.3.2 Throttle Body Assembly
- 8.3.3.3 Stepper Motor
- 8.3.3.4 Air Intake Pressure /Temperature Sensor
- 8.3.3.5 Coolant Temperature Sensor
- 8.3.3.6 Oxygen Sensor
- 8.3.3.7 Trigger
- 8.3.3.8 Fuel Pump Assembly
- 8.3.3.9 Fuel Injector
- 8.3.3.10 Ignition Coil
- 8.4 Roll-over Sensor
- 8.4.1 Roll-over Sensor Inspection
- 8.5 Front+Rear Speed Sensor
- 8.5.1 Front Speed Sensor
- 8.5.2 Rear Speed Sensor
- 8.5.3 Front+Rear Speed Sensor Inspection
- 8.6 Fault Code
- 8.7 Fault Diagnosis
- 8.8 Fault Diagnosis by Engine Problems 

9 COOLING SYSTEM
- 9.1 Cooling System Diagram
- 9.2 Cooling System Assembly Removal
- 9.3 Engine Coolant
- 9.4 Cooling Cycle Sealing Inspection
- 9.5 Radiator and Pipes Inspection and Cleaning
- 9.6 Fan Motor Inspection
- 9.7 Coolant Inspection
- 9.8 Coolant Addition
- 9.9 Coolant Replacement

10 EXHAUST SYSTEM
- 10.1 Muffler Removal
- 10.1.1 Exhaust Pipe Assembly
- 10.1.2 Front Muffler Body
- 10.2 Exhaust Pipe Inspection

11 WHEELS AND BRAKE SYSTEM
- 11.1 Front Brake Caliper
- 11.2 Front Wheel
- 11.3 Rear Wheel
- 11.4 Rear Brake Caliper
- 11.5 Brake Master Cylinder
- 11.5.1 Rear Brake Master Cylinder
- 11.5.2 Hand Brake Master Cylinder Assembly
- 11.6 ABS Execution Unit
- 11.7 Tire Inspection
- 11.7.1 Tire Pressure
- 11.8 Tire Surface
- 11.8.1 Wheel Bearing
- 11.9 Brake System Inspection
- 11.9.1 Hand Brake Master Cylinder Inspection
- 11.9.2 Rear Brake Master Cylinder Inspection
- 11.9.3 Brake Hose Inspection
- 11.9.4 Brake Calipers and Brake Discs Inspection
- 11.10 Free Play
- 11.10.1 Front Brake Lever Free Play
- 11.10.2 Rear Brake Pedal Free Play

12 SHOCK ABSORBER AND REAR FORK
- 12.1 Handlebar
- 12.2 LH+RH Front Shock Abosrber
- 12.3 Chain
- 12.4 Rear Fork Assembly
- 12.5 Drive Chain Inspection
- 12.5.1 Chain Tightness Adjustment
- 12.6 Front Shock Absorber Inspection
- 12.7 Rear Shock Absorber Inspection

13 ENGINE
- 13.1 Preparation Instructions
- 13.1.1 Unit Conversion Table
- 13.1.2 Warnings
- 13.2 Maintenance Information
- 13.2.1 Engine Appearance
- 13.2.2 General Precautions
- 13.2.3 Selection of Fuel and Oil
- 13.2.4 Engine Break-in
- 13.2.5 Special Engine Maintenance Tool
- 13.3 Engine Disassembly
- 13.3.1 Fix the Engine
- 13.3.2 Engine Oil Releasing
- 13.3.3 Starter Motor Removal
- 13.3.4 Thermostat Removal
- 13.3.5 Pump Removal
- 13.3.6 Cylinder Head Cover Removal
- 13.3.7 RH Cover Removal
- 13.3.8 Clutch Removal
- 13.3.9 Shift Lever Assembly, Shift Positioning Component and Positioning Star Wheel Removal
- 13.3.10 Oil Pump Removal
- 13.3.11 Cylinder Head Removal
- 13.3.12 Magneto and Double Gear Removal
- 13.3.13 Cylinder Body Removal
- 13.3.14 Piston Removal
- 13.3.15 Oil Pan Removal
- 13.3.16 Oil Cooler Removal
- 13.3.17 Compartment
- 13.4 Engine Inspection
- 13.4.1 Crankcase
- 13.4.1.1 Selecting Plain Bearing
- 13.4.1.2 Crankcase
- 13.4.1.3 RH Side Cover
- 13.4.2 Cylinder Head Cover Assembly
- 13.4.3 Cylinder Head Assembly
- 13.4.4 Cylinder Body
- 13.4.5 Piston/Piston Ring/Piston Pin
- 13.4.6 Distribution Drive Sub-assembly
- 13.4.7 Crankshaft Connecting Rod
- 13.4.8 Clutch
- 13.4.9 Shift Gear
- 13.4.9.1 Main Shaft
- 13.4.9.2 Countershaft
- 13.4.10 Lubrication System
- 13.4.10.1 Lubricating Chart
- 13.4.10.2 Oil Pump
- 13.4.10.3 Oil Pressure Relief Valve
- 13.4.10.4 Oil Cooler
- 13.4.11 Water Pump Assembly
- 13.4.12 Electric Starter
- 13.4.13 Magneto Stator
- 13.4.14 Rear Balance Shaft Assembly
- 13.5 Engine Assembly
- 13.5.1 Rear Balance Shaft Assembly Installation
- 13.5.2 Shift Drum, Position Cam, Position Swing Arm Installation
- 13.5.3 Countershaft Installation
- 13.5.4 Fork Shaft and Gearshift Fork Installation
- 13.5.5 Main Shaft Installation
- 13.5.6 Gearshift Lever Installation
- 13.5.7 Crankshaft Connecting Rod and Front Balance Shaft Installation
- 13.5.8 Crankcase Closing
- 13.5.9 Oil Pump Sub-assembly and Oil Pressure Switch Installation
- 13.5.10 Water Pump Installation
- 13.5.11 Oil Pan Installation
- 13.5.12 Oil Cooler Installation
- 13.5.13 Oil Filter Installation
- 13.5.14 Cylinder Body and Piston Parts Installation
- 13.5.15 Timing Chain Installation
- 13.5.16 Cylinder Head Installation
- 13.5.17 Magneto Rotor Assembly Installation
- 13.5.18 LH Side Cover Installation
- 13.5.19 Intake and Exhaust Camshaft Installation
- 13.5.20 Hydraulic Tensioner Installation
- 13.5.21 Cylinder Head Cover Installation
- 13.5.22 Starter Motor Installation
- 13.5.23 Clutch Installation
- 13.5.24 RH Side Cover Installation
- 13.5.25 Gear Sensor Installation
- 13.5.26 Oil Cooler Water Inlet/ Outlet Hose Installation
- 13.5.27 Throttle and Fuel Pipe Assembly Installation
- 13.5.28 Output Sprocket Installation
- 13.5.29 Oil Filling, Oil Level Inspection, Oil Pressure Inspection

14 HANDLEBAR AND TRIPLE CLAMPS
- 14.1 Handlebar Switch
- 14.1.1 LH Handlebar Switch
- 14.1.2 RH Handlebar Switch
- 14.2 Throttle Handle
- 14.3 Handlebar Inspection
- 14.3.1 Clutch Lever Free Play
- 14.3.2 Throttle Cable Free Play
- 14.3.3 Handlebar Interference Inspection
- 14.4 Triple Clamps Front Fork Pipe