Introduction
This official service manual provides comprehensive, detailed service information, step-by-step repair instructions, and maintenance specifications for the 2007-2013 Honda TRX420FE, TRX420FM, TRX420TE, TRX420TM, TRX420FPE, and TRX420FPM Rancher ATV models. It is an essential resource for proper diagnosis, repair, and maintenance procedures.
Figure 1: Cover of the Official Honda TRX420 Rancher ATV Service Manual, covering models from 2007 to 2013.
General Information
This section covers fundamental information applicable to all service and maintenance procedures. It includes safety precautions, general service practices, and an overview of the ATV's systems.
Technical Features
An overview of the key technical specifications and unique features of the Honda TRX420 Rancher models, including engine type, transmission, and chassis design.
Maintenance
Regular maintenance is crucial for the longevity and optimal performance of your Honda TRX420 Rancher. This section details scheduled maintenance tasks and procedures.
- Lubrication System: Inspection and service of engine oil, oil filter, and other lubrication points.
- Fuel System (PGM-FI): Maintenance of the Programmed Fuel Injection system, including fuel filter and injector checks.
- Cooling System: Checks for coolant level, radiator condition, and hose integrity.
- Air Cleaner: Inspection and cleaning/replacement of the air filter element.
- Battery: Inspection of battery terminals, electrolyte level (if applicable), and charging system.
- Brake System: Inspection of brake fluid, brake pads/shoes wear, and brake light switch operation.
- Clutch System: Inspection and adjustment of clutch components.
Engine Systems
This section provides detailed instructions for servicing the engine and its related components.
- Engine Removal/Installation: Procedures for safely removing and reinstalling the engine assembly.
- Cylinder Head/Valve: Inspection, disassembly, and assembly of the cylinder head and valve train components.
- Cylinder/Piston: Procedures for inspecting and servicing the cylinder and piston assembly.
- Clutch/Gearshift Linkage: Detailed service for the clutch and gear shifting mechanisms.
- Alternator/Starter Clutch: Inspection and repair of the alternator and starter clutch components.
- Crankcase/Transmission/Crankshaft/Balancer: Comprehensive service procedures for the engine's lower end components.
Chassis Systems
This section covers the frame, suspension, steering, and driving mechanisms of the ATV.
- Frame/Body Panels/Exhaust System: Inspection and removal/installation of frame components, body panels, and the exhaust system.
- Front Wheel/Suspension/Steering: Service procedures for the front wheels, suspension components, and steering system.
- Rear Wheel/Suspension: Service procedures for the rear wheels and suspension components.
- Brake System: Detailed service for front and rear brake components, including calipers, master cylinders, and lines.
- Front Driving Mechanism (FM/FE/FPM/FPE Models): Specific service for the front differential and drive shafts on 4WD models.
- Rear Driving Mechanism: Service procedures for the rear axle, differential, and drive components.
Figure 2: Illustration of the Rear Driving Mechanism, detailing components such as the axle, side plate, washer, collar, and O-ring for inspection and removal. This image also shows the inspection of axle runout and axle bearing dust seal.
Electrical Systems
This section covers the electrical components and wiring of the ATV.
- Battery/Charging System: Inspection and testing of the battery and charging system components.
- Ignition System: Service procedures for the ignition coil, spark plug, and related components.
- Electric Starter: Inspection and repair of the starter motor and solenoid.
- Lights/Meters/Switches: Service for all lighting, instrumentation, and control switches.
Figure 3: Detailed instructions for indicator bulb replacement, showing the breather hose, handlebar cover, and bulb socket. Also includes a diagram for inspecting the ignition switch and its 4P connector, along with a continuity table.
- Electric Shift Program (TE/FE/FPE Models): Specific service information for models equipped with the Electric Shift Program.
Figure 4: Diagram illustrating the ESP (Electric Shift Program) connector locations for TE, FE, and FPE models, with numbered points corresponding to specific components like PCM, shift angle sensor, shift control motor, and gear position switch.
- Electric Power Steering (FPM/FPE Models): Service procedures for models equipped with Electric Power Steering.
- Wiring Diagrams: Comprehensive wiring diagrams to assist in electrical troubleshooting.
Troubleshooting
This section provides guidance for diagnosing common issues and identifying potential causes for various malfunctions. It includes diagnostic flowcharts and symptom-based troubleshooting tables.
Specifications
Refer to this section for detailed technical specifications, torque values, fluid capacities, and other critical data required for proper service and repair.
| Specification | Value |
|---|---|
| ASIN | B01LX0H4EO |
| Language | English |
| Publication Date | January 1, 2004 |
| Publisher | By Publisher |
Note: Specific torque values and fluid capacities are detailed within the relevant sections of this manual.