Positioning:
Essential technical documentation for owners and independent repair shops of early Honda Fourtrax Foreman 350 models.
Value Proposition:
Provides the in-depth technical knowledge needed to maintain, repair, and troubleshoot these robust ATVs, often unavailable through less comprehensive sources.
Completeness:
303 pages of detailed information covering all aspects of the vehicle.
Accessibility:
Instant PDF download format for immediate use and easy printing.
General Information:
Included
Specifications:
Detailed Technical and Performance Specs
Maintenance:
Routine Checks and Periodic Adjustments
Engine General:
Engine Removal and Installation
Engine Fuel:
Engine Fuel System and Fuel Injection System
Engine Lubrication Cooling:
Engine Lubrication, Cooling System, Lubrication System
Engine Combustion:
Engine Combustion System
Engine Internal Components:
Cylinder Head/Valves, Crankcase/Piston/Cylinder, Crankshaft/Transmission/Balancer
Transmission:
Gearbox & Clutch, Transmission System
Drivetrain:
Front Wheel and Steering System, Rear Wheel System
Chassis Body:
Chassis, Fenders and Exhaust Pipe, Body & Fixtures, Frame/Body Panels/Exhaust System
Wheels Tires:
Wheels & Tyres
Electrical Charging:
Electrical System, Battery/Charging System
Electrical Ignition:
Ignition System
Electrical Starter:
Electric Starter
Electrical Lighting:
Lights/Meters/Switches
Electrical Wiring:
Wiring Diagrams
Troubleshooting:
Extensive Troubleshooting Section
Routine Maintenance:
Included (e.g., oil changes, filter replacements, adjustments)
Engine Repair:
Complete engine disassembly, inspection, repair, and reassembly
Transmission Repair:
Gearbox, clutch, and transmission system overhaul
Electrical Diagnostics:
Diagnosis and repair of electrical faults, including detailed wiring diagrams
Suspension Steering:
Front and rear suspension, steering system maintenance and repair
Braking System Repair:
Brake system inspection, service, and repair
Fuel System Service:
Fuel injection system troubleshooting and service
Cooling System Service:
Cooling system inspection and maintenance
Component Replacement:
Detailed instructions for replacing various components
Troubleshooting Guides:
Step-by-step troubleshooting for common and uncommon issues
Depth:
Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds.
Diagnostics:
Advanced diagnostic procedures for all major systems
Rebuilds:
Detailed procedures for engine and transmission rebuilds
Engine Type:
4-stroke, OHV, Air-cooled
Engine Displacement Cc:
342
Bore X Stroke Mm:
78.0 x 72.0 (typical for this era engine)
Compression Ratio:
8.8:1 (typical for this era engine)
Horsepower Hp:
Approx. 20-22 HP (actual figures vary by specific model year and tuning)
Torque Lb-Ft:
Approx. 19-21 lb-ft (actual figures vary by specific model year and tuning)
Fuel Delivery:
Carburetor (specific model varies by year and trim, e.g., PD88A for some models)
Fuel Type:
Unleaded gasoline
Cooling Method:
Air-cooled
Oil Type:
SAE 10W-40 API SG (typical, consult manual for exact specification)
Oil Capacity Liters:
Approx. 2.0-2.2 L (with filter change, consult manual for exact capacity)
Transmission Type:
Automatic (Honda's Automatic Dual Clutch Transmission - ADT)
Gear Selection:
5-speed forward, Reverse, Neutral
Clutch Type:
Dual clutch system
Drive System:
Shaft Drive (4x4)
Final Drive:
Sealed chain, Oil bath, Bevel gear
Length Mm:
Approx. 2025 (varies slightly by model year)
Width Mm:
Approx. 1140 (varies slightly by model year)
Height Mm:
Approx. 1100 (varies slightly by model year)
Dry Weight Kg:
Approx. 215-230 kg (varies by model year and configuration)
Payload Capacity Kg:
Approx. 130 kg (front rack) / 150 kg (rear rack) - consult manual for exact ratings
Front Tire Size:
25 x 8-12 (typical)
Rear Tire Size:
25 x 10-12 (typical)
Wheel Bolt Pattern:
4 x 110mm (typical for Honda ATVs of this era)
Engine Oil Change:
Every 1000 km or 12 months, whichever comes first (consult manual for exact interval).
Air Filter Cleaning:
Every 6 months or as needed based on operating conditions (consult manual).
Spark Plug Replacement:
Refer to manual for specific mileage or time interval. Typical is every 1-2 years.
Engine Oil:
SAE 10W-40 API SG (confirm with manual)
Brake Fluid:
DOT 3 or DOT 4 (confirm with manual)
Final Drive Oil:
Honda GL-4 Gear Oil or equivalent (confirm with manual)
Carburetor Cleaning:
Common for older ATVs to require carburetor cleaning and adjustment due to fuel deposits.
Electrical Connections:
Corrosion or wear in electrical connectors can lead to intermittent issues.
Suspension Wear:
Bushings and bearings in the suspension and steering can wear over time, requiring replacement.
Cooling System Efficiency:
Though air-cooled, ensuring airflow is clear to the engine fins is crucial for optimal cooling.
Heritage:
Honda is renowned for its reliability, engineering prowess, and innovation in the powersports industry.
Fourtrax Lineage:
The Fourtrax line has been a cornerstone of Honda's ATV offerings, known for its workhorse capabilities.
Foreman Introduction:
The Foreman designation typically signifies a more utility-focused and robust ATV within the Fourtrax family.
Production Period:
1986-1989 for the models covered by this manual.
