2004-2006 Honda TRX350 FourTrax Rancher Service Manual

TRX350 FourTrax Rancher technical guide covering engine removal, cylinder head valve clearance, transmission gearshift linkage, and clutch assembly procedures. Complete torque specifications and parts diagrams included.

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Document Details

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Document Number / Seller:
25246 / Lisa Jones
File Size:
46.21 MB
File Type:
PDF
Language:
English
Pages:
442
Printable:
Yes
Category:
ATV
Last updated / verified
Jan 2, 2026

Models Covered & Key Technical Specifications

Honda TRX350TE, TRX350TM, TRX350FE, TRX350FM FourTrax Rancher — 2004–2006 Specification Digest | FourTrax Rancher Series Repository.

  • Published Reservoir Specs: 13.9 liters (3.67 US gal) is measured at the fuel tank capacity Architecture.
  • Specific Displacement Data: 329.1 cm³ (20.08 cu-in) is set to the engine cylinder volume Framework.
  • Integral Dimensional Tolerance: For optimal piston movement, 78.5 x 68.0 mm (3.09 x 2.68 in) limits the bore and stroke configuration Norms.
  • Operational Climate Parameters: 8.8:1 — maintains the compression ratio for combustion chamber efficiency Bounds.
  • Fundamental Physical Specs: The dry weight reaches 227 kg (500 lbs) for TM model baseline Protocol.
  • Universal Precision Data: Wheelbase distance achieves 1,253 mm (49.3 in) dimensional accuracy Topology.

Professional Workshop Service Manual & Technical Specifications

Factory-Level Overhaul Manual: Honda TRX350TE, TRX350TM, TRX350FE, TRX350FM FourTrax Rancher ATV Service Manual 2004-2006 Documentation-Framework

Year-Coverage: TRX350TE, TRX350TM, TRX350FE, TRX350FM (2004-2006) // Specification-Class: Powertrain and Suspension / Complete Workshop Logic // Procedure-Type: Service and Maintenance Documentation.

Component System Coverage Area Documentation Status
Engine and Transmission Cylinder head, piston assemblies, crankshaft, automatic transmission Complete specifications provided
Fuel and Ignition Carburetor assembly, fuel tank, ignition control systems Documented with adjustment procedures
Drive Systems Clutch mechanisms, differential assemblies, final drive units See Chapters 10, 16, 17
Suspension and Steering Front and rear shock absorbers, wheel hubs, tie-rods Complete service information included
Electrical Systems Battery, charging system, starter motor, lights, meters Wiring diagrams provided

Maintenance hierarchies are structured into cylinder head and valve systems, front wheel and suspension assemblies, calling for rear wheel and brake documentation, combined with lubrication system procedures, and supported by battery and charging system guides.

Integrated Topology

Suspension service documentation covers the complete network of front and rear shock absorbers, swingarm pivot mechanisms, and steering shaft bearing assemblies. The manual includes precise specifications for shock absorber mounting fasteners, suspension arm pivot clearances, and steering geometry measurements. Details on wheel hub bearing replacement, knuckle assembly procedures, and tie-rod adjustment mechanisms are provided throughout the front suspension section, with reference data for caster angle, trail length, and camber specifications included for both two-wheel and four-wheel drive models.

Core Benchmarks

Disassembly instructions are documented for the change clutch and centrifugal clutch assemblies, including the multi-disc clutch arrangement, judder spring installation (TE/FE models), and clutch spring height inspection procedures. The documentation addresses clutch center lock nut torque specifications and provides detailed guidance on lifter bearing inspection, lifter cam evaluation, and clutch plate warpage measurement protocols. Service information covers spring seat installation, clutch outer guide dimensions, and primary drive gear inspection criteria with corresponding service limit references.

Integrated Topology

Wear limits are specified for piston rings, cylinder bore dimensions, and crankshaft runout measurements. The manual documents clearance specifications between piston pin and connecting rod, establishes service limits for valve stem-to-guide clearances, and includes detailed procedures for valve spring free length measurement. Compression ratio specifications, valve timing data at lift references, and combustion chamber inspection protocols are provided to support comprehensive engine service and rebuilding operations.

Precise Interface

System operation descriptions cover the dry sump lubrication mechanism with integral oil tank integration, detailing oil pump trochoid design and scavenge-feed system operation. Documentation includes oil cooler inspection procedures, cooling fan assembly mounting bolt specifications, and oil pressure indicator circuit information. The manual describes the A.P. SureTrac torque-biasing differential design with cam follower and face cam operation, including limited-slip torque standards and differential assembly shimming procedures for both front and rear driving mechanisms.

Advanced Interface

The documentation addresses electric shift program (ESP) operation for TE/FE models, covering Electronic Control Unit functions, angle sensor signal processing, and gear position indicator display logic. Troubleshooting procedures for ESP system abnormalities, control motor reduction gear inspection, and reverse shift switch operation are included. Reference chapters include component location diagrams, system wiring schematics, and diagnostic flowcharts for identifying electrical malfunctions in the shift control circuitry.

The manual documents torque specifications for fastener assemblies to ensure proper assembly security, with standard torque values provided for metric bolts ranging from 5mm through 12mm diameter fasteners, and engine-specific torque values for cylinder head cap nuts, rocker arm shaft bolts, and crankshaft fasteners throughout the engine sections.

FAQ

What specifications are **essential** for testing parameters? keyboard_arrow_down

98 N·m actual torque (10.0 kgf·m, 72 Ibf·ft) is required for the final gear case pinion bearing lock nut installation to ensure proper differential function and prevent gear slippage.

Check the **correct** diagnostic procedures for electrical system troubleshooting? keyboard_arrow_down

0.1 - 1.0 ohm resistance measured at 20°C (68°F) is the standard specification for the alternator charging coil, verified by disconnecting the alternator connector and measuring between yellow wire terminals to confirm proper charging system operation.

What does the **documented** fluid capacity requirements specify? keyboard_arrow_down

85 cm³ (2.9 US oz, 3.0 Imp oz) must be used when draining the rear final gear case, or 100 cm³ (3.4 US oz, 3.5 Imp oz) when performing complete disassembly using Hypoid gear oil SAE #80.

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This service manual is a must-have for any Honda TRX350 owner! The detailed instructions and diagrams make it easy to understand and follow. Plus, the download process was smooth and I received the link quickly after purchase. Highly recommend!