Honda FourTrax 350 / Foreman 350D Service Manual Repair 1986-1989 TRX

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Stichworte: 1986 1987 1988 1989 Atv Engines Foreman 350D FourTrax 350 Honda Honda Engines Manuals

Produktvarianten

Beschreibung

This manual covers the ATVs produced between 1986 and 1989. These models are recognized for their robust engineering, reliability, and utility, embodying a strong legacy in ATV manufacturing. The FourTrax 350 and its Foreman 350D variant were designed for a wide range of tasks, offering dependable performance for various applications. This comprehensive service manual provides detailed information for the maintenance, troubleshooting, and repair of your ATV. It includes step-by-step procedures for engine overhaul, fuel system service, ignition system diagnostics, transmission repair, drivetrain maintenance, suspension and brake adjustments, and electrical system troubleshooting. With clear instructions, diagrams, and technical specifications, this manual is an essential resource for owners and technicians seeking to keep these durable ATVs in optimal working condition.

🏷️ Basic Information

Identification

Make:

Honda

Model:

FourTrax 350 / Foreman 350D

Model Variant:

TRX350 (FourTrax 350), TRX350D (Foreman 350D)

Production Years:

1986-1989

Codes

Chassis Code Trx350:

TRX350

Chassis Code Trx350D:

TRX350D

👋 Introduction

Market Position

Target Audience:

Owners and mechanics of 1986-1989 Honda FourTrax 350 and TRX350D Foreman ATVs

Competitive Analysis

Value Proposition:

Comprehensive repair and maintenance guidance, enabling DIY repairs and informed servicing

Key Features

Manual Usability:

Searchable and navigable PDF format with detailed instructions and diagrams

Support:

Free replacement offered if the manual is lost

📋 Manual Details

Coverage Areas

Vehicle Model Years Covered:

1986, 1987, 1988, 1989

Vehicle Model Variants Covered:

Honda FourTrax 350 (TRX350), Honda TRX350D Foreman

Page Count

Page Count:

Manual Type

Manual Type:

Service Manual / Repair Manual

Language

Language:

English

Format

File Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Complete overhaul, assembly, disassembly, tuning, troubleshooting

Fuel System:

Carburetor (CR26) service, adjustments (idle mixture, pilot jet, main jet), fuel pump, fuel tank

Ignition System:

CDI, magneto, spark plug specifications, troubleshooting no spark

Transmission:

Automatic transmission, clutch operation, torque converter, transmission fluid, gear shifting mechanisms

Drivetrain:

Front and rear drive shafts, differentials, axles, U-joints

Suspension:

Front forks, rear swingarm, shocks, springs, linkage, bearings

Brakes:

Front and rear drum brakes, brake cables, brake fluid specifications (if applicable), adjustment procedures

Electrical System:

Battery, charging system (stator, rectifier/regulator), lighting (headlight, taillight, brake light), starter motor, switches

Cooling System:

Air-cooled engine, radiator (if applicable to specific variants), coolant replacement (for TRX350D Foreman if liquid cooled)

Exhaust System:

Muffler, exhaust pipes, gaskets, removal and installation

Frame And Body:

Frame inspection, body panels, fenders, skid plates, seat removal

Steering:

Handlebars, steering stem, tie rods, steering linkage

Procedures Included

Maintenance:

Oil changes, filter replacement, lubrication schedule, valve clearance adjustment, spark plug replacement, brake adjustments, chain adjustment (if applicable)

Troubleshooting:

Diagnostic charts, common problems (e.g., no spark, starting issues, poor performance), error code interpretation (if applicable)

Repair:

Complete tear down and rebuild procedures for all major components, cylinder head removal/installation, piston replacement, crankshaft repair, transmission rebuild, carburetor overhaul

Installation:

Installation of replacement parts, accessories, and components

Diagnostics:

Step-by-step diagnostic guides for various systems

Technical Depth

Depth Of Coverage:

Comprehensive from basic maintenance to complete engine and transmission overhauls

Visual Aids:

Includes pictures and diagrams for clarity

Data Tables:

Torque specifications, fluid capacities, measurements

Searchability:

Searchable PDF for quick information retrieval

Navigation:

Clickable chapters for easy navigation

📊 Manual Specifications

File Format

Digital Format:

Print Quality

Print Permissions:

No restrictions on printing

Binding Type

Digital Saving Options:

No restrictions on saving/burning to disc

Paper Type

Digital Delivery:

Instant download

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, OHV, air-cooled

Engine Code:

TRX350E (typical)

Performance

Displacement:

342 cc

Bore X Stroke:

78.0 mm x 72.0 mm (typical)

Compression Ratio:

8.8:1 (typical)

Horsepower:

Approximately 21-23 hp (estimated, specific figures vary by year/tuning)

Torque:

Approximately 20-22 lb-ft (estimated, specific figures vary by year/tuning)

Fuel System

Carburetor Model:

Keihin CR26 (typical)

Fuel Type:

Unleaded gasoline

Lubrication

Engine Oil Type:

API SE, SF, or SG service classification, SAE 10W-40 (check manual for exact specification and viscosity)

Oil Capacity:

Approximately 3.4 US qt (3.2 L) with filter change (refer to manual for exact capacity)

🔧 Transmission

Standard

Transmission Type:

Automatic (Honda's Torque Converter Automatic Transmission - TC)

Gear Selection:

Automatic, with selectable low range (on Foreman models)

Features

Drive System:

Shaft drive, 2WD/4WD selectable (especially on Foreman models)

Transmission Fluid Type:

Honda Genuine ATF (Automatic Transmission Fluid) or equivalent (verify in manual)

📐 Dimensions

Exterior

Overall Length:

Approximately 76.5 inches (1945 mm) (varies slightly by model)

Overall Width:

Approximately 43.3 inches (1100 mm) (varies slightly by model)

Overall Height:

Approximately 43.1 inches (1095 mm) (varies slightly by model)

Wheelbase:

Approximately 49.2 inches (1250 mm) (varies slightly by model)

Weights

Dry Weight:

Approximately 480-520 lbs (218-236 kg) (varies by model and equipment)

Curb Weight:

Approximately 500-540 lbs (227-245 kg) (varies by model and equipment)

Ground Clearance:

Approximately 5.9 inches (150 mm) (varies by model)

🛡️ Safety Features

Ratings

Atv Safety Standards:

Designed to meet ANSI and other relevant safety standards for ATVs of its era

Active Features

Braking System:

Effective front and rear drum brakes, parking brake

Passive Features

Ergonomics:

Stable riding position, ergonomic controls, comfortable seating

Lighting:

Headlight, taillight, and brake light for visibility

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic utility ATV of its era)

Driver Assistance

Driver Assistance Features:

N/A (Basic utility ATV of its era)

Connectivity

Connectivity Features:

N/A (Basic utility ATV of its era)

🔧 Maintenance

Service Intervals

Engine Oil Change Interval:

Typically every 1000 km or 6 months, whichever comes first (refer to manual for exact specification)

Air Filter Cleaning Interval:

Regular inspection and cleaning, replacement as needed (more frequently in dusty conditions)

Spark Plug Replacement Interval:

Refer to manual, typically around 2000 km or annually

Valve Clearance Check Interval:

Typically every 2000 km or annually

Fluid Specifications

Engine Oil Specification:

API SE, SF, or SG service classification, SAE 10W-40 (verify in manual)

Transmission Fluid Specification:

Honda Genuine ATF or equivalent (verify in manual)

Known Issues

Carburetor Tuning:

Carburetors can become finicky with age, requiring periodic cleaning and adjustment of idle mixture and pilot jets for optimal performance.

Electrical Connections:

Corrosion or loose connections in the electrical system can lead to starting issues or intermittent power loss.

Suspension Wear:

Bushings and bearings in the swingarm and suspension linkages can wear over time, leading to play and reduced handling.

Drive Shaft U Joints:

Wear in the universal joints of the drive shafts can cause clunking noises and affect power delivery.

Brake Adjustment:

Drum brake adjustment may be required periodically to maintain braking performance.

📚 Vehicle History

Brand Heritage

Honda Atv Legacy:

Honda has a long and distinguished history in the development and manufacturing of ATVs, being one of the pioneers in the industry.

Model Evolution

Fourtrax Lineage:

The FourTrax 350 and Foreman 350D were key models in Honda's lineup, known for their reliability, durability, and utility. The Foreman line emphasized features like 4WD for more demanding terrain.

Production

Manufacturing Era:

Produced during a significant period of ATV development in the late 1980s.

🏆 Awards & Recognition

Recognitions

Brand Reputation:

Honda is renowned for building reliable and durable ATVs. Models from this era are often praised for their longevity.