🏷️ Basic Information Identification Make: Honda Model: FourTrax 350 4x4 Model Code: TRX350 Model Years Covered: 1986, 1987 Generation Generation Identifier: First Generation TRX350 Codes Vin Decoder Start Year: 1986 👋 Introduction Market Position Target User: Honda FourTrax 350 4x4 owners (1986-1987) seeking to perform repairs, maintenance, or restoration. Competitive Analysis Value Proposition: Provides dealer-level service information, enabling significant cost savings on repairs and maintenance compared to professional shop labor. Key Features Comprehensiveness: Covers every aspect of the ATV's systems, from minor maintenance to complete engine rebuilds. Usability: Printable pages allow for convenient use in a workshop or garage environment. Accuracy: Official factory service manual content ensures accuracy and adherence to manufacturer specifications. 📋 Manual Details Coverage Areas Primary Focus: Comprehensive Service and Repair Additional Coverage: Maintenance, Troubleshooting, Rebuilds, Refurbishment, Restoration Page Count Total Pages: 303 Manual Type Type: Official Workshop Service and Repair Manual (FSM) Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, repair of all engine components Fuel System: Carburetor tuning, fuel pump, fuel lines, fuel tank maintenance Cooling System: Radiator, coolant, hoses, water pump service Lubrication System: Oil pump, oil passages, lubrication schedules, fluid specifications Ignition System: Magneto, ignition coil, spark plug diagnosis and replacement Electrical System: Battery, charging system (stator, rectifier/regulator), starter motor, lighting, switches Transmission Drivetrain: Gearshift linkage, clutch, crankcase, transmission internals, front differential, final drive Suspension Steering: Front and rear suspension, shocks, springs, steering components, triple trees Brakes: Front and rear brake systems, hydraulic components, pad replacement, adjustments Body Chassis: Bumpers, fenders, carriers, plastics, frame inspection Procedures Included Routine Maintenance: Scheduled maintenance, fluid changes, filter replacements, adjustments Troubleshooting: Diagnostic procedures for common and uncommon problems, error code interpretation (if applicable) Disassembly Assembly: Complete tear down and reassembly of all major components and systems Rebuilding Refurbishment: Detailed instructions for rebuilding engine, transmission, carburetor, etc. Electrical Diagnostics: Wiring diagrams, component testing, troubleshooting electrical faults Torque Specifications: Precise torque values for all critical fasteners Technical Depth Depth Level: Factory-level detail, suitable for professional technicians and advanced DIY mechanics Diagnostic Tools: Implied usage of standard automotive diagnostic tools Schematics Diagrams: Detailed wiring diagrams, exploded views, and part diagrams 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable without restriction Resolution: Assumed high for clear diagrams and text Binding Type Binding: Digital Download (Printable) Paper Type Paper Format: N/A (Digital) Software Requirements Reader Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, OHC, Air-cooled Displacement: 342cc Bore X Stroke: 70.0 mm x 89.6 mm (approximate, as per common specs for this model) Compression Ratio: 8.5:1 (typical for this era/model) Performance Horsepower: Estimated 20-22 HP (specific figures may vary, manual will confirm) Torque: Torque specifications will be detailed in the manual for various engine components. Fuel System Carburetor Type: Single Carburetor (e.g., Keihin) with specific model number detailed in manual. Fuel Delivery: Gravity feed via fuel petcock from fuel tank. Engine Oil Recommended Oil Viscosity: SAE 10W-30 (typical for air-cooled engines in varied temperatures, manual will specify exact range) Oil Capacity: Specific oil capacity (e.g., 2.3 US qt / 2.2 L) will be detailed in the manual. 🔧 Transmission Standard Transmission Type: 5-speed manual with automatic clutch and reverse. Clutch Type: Automatic centrifugal clutch. Features Drive System: Shaft drive, 4x4 (selectable or full-time, manual will clarify). Final Drive: Front and Rear differentials with specific gear ratios detailed in the manual. 📐 Dimensions Exterior Overall Length: 2065 mm (approximate, manual will provide exact) Overall Width: 745 mm (approximate, manual will provide exact) Overall Height: 1025 mm (approximate, manual will provide exact) Weights Dry Weight: 209 kg (approximate, manual will provide exact) Fuel Capacity: 3.0 US gal (approximate, manual will provide exact) 🛡️ Safety Features Ratings Atv Safety Standards: Manual will refer to Honda's safety guidelines and best practices for ATV operation. Active Features Braking System: Hydraulic disc front, drum rear (typical for model, manual will confirm specifics). Passive Features Lighting: Headlights, taillight/brake light. 💡 Technology Features Infotainment Infotainment System: N/A (This is a 1980s utility ATV, no advanced infotainment features expected). Driver Assistance Driver Assistance Features: N/A (This is a 1980s utility ATV, no driver assistance features expected). Connectivity Connectivity Options: N/A (This is a 1980s utility ATV, no connectivity features expected). 🔧 Maintenance Service Intervals Oil Change Interval: Details on recommended oil change intervals based on usage hours or mileage will be provided in the manual. Air Filter Cleaning: Specific cleaning and replacement intervals for the air filter will be outlined. Spark Plug Maintenance: Recommendations for spark plug inspection, cleaning, and replacement intervals. Valve Clearance Adjustment: Specific mileage or time intervals for checking and adjusting valve clearances will be detailed. Fluid Specifications Engine Oil: SAE 10W-30 (confirmed as typical, manual provides definitive specification and capacity). Transmission Gear Oil: Specific gear oil type and viscosity will be listed...