๐ท๏ธ Basic Information Identification Make: Yamaha Model: Wolverine 350 Vehicle Type: ATV (All-Terrain Vehicle) Codes Chassis Code Range: YFM350FX (model years 2003-2009) ๐ Introduction Market Position Positioning: The Yamaha Wolverine 350 (YFM350FX) was positioned as a versatile and reliable mid-range utility and sport ATV, popular for recreational riding and light work. Competitive Analysis Competitors: Competed with similar models from Honda (e.g., FourTrax 300/350), Suzuki (e.g., QuadRunner 300/350), and Kawasaki (e.g., Bayou 300/300). It offered a blend of capability and affordability. Key Features Engine Type: Air-cooled, SOHC, 4-stroke engine. Drivetrain: Shaft drive, often with selectable 2WD/4WD depending on specific sub-model variant. Suspension Type: Independent front suspension (IFS) and swingarm rear suspension, providing a comfortable and capable ride. Braking System: Disc brakes front and rear for effective stopping power. ๐ Manual Details Coverage Areas Covered Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009 Covered Models: All Wolverine 350 models Page Count Estimated Page Count: Exact page count not specified, but described as comprehensive 'A-Z' coverage. Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download ๐ Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnosis, tuning, carburetor, ignition system, cooling system, lubrication. Transmission: Clutch system, gearbox, drive shafts, differentials (if applicable to specific sub-models). Electrical System: Wiring diagrams, starter system, charging system, lighting, ignition control, accessories. Suspension: Front and rear suspension systems, shocks, springs, bushings, steering components. Brakes: Front and rear brake systems (hydraulic discs or drums), master cylinders, calipers, lines, bleeding procedures. Fuel System: Fuel tank, fuel lines, fuel filter, carburetor and its components, fuel pump. Chassis And Frame: Frame inspection, repair, bodywork, fenders, plastics, racks. Cooling System: Radiator, fan, coolant, hoses, thermostat (if liquid-cooled). Exhaust System: Muffler, exhaust pipes, gaskets, mounting. Procedures Included Maintenance: Routine checks, oil changes, filter replacements, spark plug maintenance, lubrication points, pre-ride inspections. Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues, fault finding trees. Repair: Detailed instructions for disassembling, repairing, and reassembling all major vehicle components. Rebuilds: Comprehensive engine and transmission rebuild procedures, including specifications and tolerances. Adjustments: Carburetor tuning, idle speed adjustments, brake adjustments, clutch adjustments. Wiring Diagrams: Detailed electrical schematics for all systems. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Covers mechanical and electrical systems in detail. Diagnostic Capabilities: Advanced troubleshooting guides and diagnostic procedures. Illustrations: Numerous detailed pictures and diagrams included, aiding visual comprehension. ๐ Manual Specifications File Format File Format: PDF Searchability: Likely searchable text within the PDF, typical of modern workshop manuals. Print Quality Printability: All pages are printable, allowing for physical copies as needed. Binding Type Binding Type: Not applicable for PDF download. User can print and bind as desired. Paper Type Paper Type: Not applicable for PDF download. User can choose paper type upon printing. โ๏ธ Engine Specifications Primary Engine Engine Type: 348cc, Air-cooled, 4-stroke, SOHC, 2-valve Bore X Stroke: 83.0 mm x 64.5 mm (typical for this engine family) Compression Ratio: 9.2:1 (typical) Carburetor: Mikuni BSR33/1 (or similar single barrel carburetor) Performance Horsepower: Approximately 20-22 HP at 6500 RPM (estimated, specific dyno figures vary). Torque: Approximately 20-22 lb-ft at 5000 RPM (estimated). Fuel System Fuel Type: Unleaded gasoline Fuel Tank Capacity: Approximately 3.17 US gallons (12 liters), including reserve. Ignition Ignition System: CDI (Capacitor Discharge Ignition) Cooling Cooling Method: Air-cooled ๐ง Transmission Standard Transmission Type: 5-speed manual with automatic clutch (forward gears + reverse) Features Clutch Type: Wet, multi-plate automatic clutch Drive System: Shaft drive to rear wheels, with option for 2WD or 4WD depending on model variant. Fluid Type Transmission Oil: Yamaha Genuine Gear Oil (or equivalent API GL-4, SAE 80W-90) Fluid Capacity Transmission Oil Capacity: Approximately 0.7 US quarts (0.65 liters). ๐ Dimensions Exterior Overall Length: Approximately 74.0 inches (1880 mm) Overall Width: Approximately 42.9 inches (1090 mm) Overall Height: Approximately 43.3 inches (1100 mm) Wheelbase: Approximately 49.2 inches (1250 mm) Weights Dry Weight: Approximately 467 lbs (212 kg) for 2WD, slightly more for 4WD variants. Ground Clearance: Approximately 7.7 inches (195 mm) Cargo Front Rack Capacity: Approximately 45 kg (99 lbs) Rear Rack Capacity: Approximately 65 kg (143 lbs) ๐ก๏ธ Safety Features Ratings Atv Safety Standards: Designed to meet ANSI standards for recreational ATVs. Users must always follow safety precautions outlined in the owner's manual. Active Features Braking: Dual front hydraulic disc brakes and single rear hydraulic disc brake. Lighting: Dual 30W headlights, 8W taillight/brake light. Passive Features Chassis Design: Sturdy frame construction, ergonomic seating position. Tires: All-terrain tires with aggressive tread patterns for optimal grip and stability. ๐ก Technology Features Infotainment Infotainment Features: Not applicable; this is a utility ATV with no integrated infotainment system. Focus is on mechanical and operational technology. Driver Assistance Driver Assistance Features: Not applicable; typical driver assistance features like ABS or traction control were not common on this model. Connectivity Connectivity Features: Not applicable. ๐ง Maintenance Service...
The Yamaha Wolverine 350 (YFM350FX) was positioned as a versatile and reliable mid-range utility and sport ATV, popular for recreational riding and light work.
Competitive Analysis
Competitors:
Competed with similar models from Honda (e.g., FourTrax 300/350), Suzuki (e.g., QuadRunner 300/350), and Kawasaki (e.g., Bayou 300/300). It offered a blend of capability and affordability.
Key Features
Engine Type:
Air-cooled, SOHC, 4-stroke engine.
Drivetrain:
Shaft drive, often with selectable 2WD/4WD depending on specific sub-model variant.
Suspension Type:
Independent front suspension (IFS) and swingarm rear suspension, providing a comfortable and capable ride.
Braking System:
Disc brakes front and rear for effective stopping power.
๐ Manual Details
Coverage Areas
Covered Years:
2003, 2004, 2005, 2006, 2007, 2008, 2009
Covered Models:
All Wolverine 350 models
Page Count
Estimated Page Count:
Exact page count not specified, but described as comprehensive 'A-Z' coverage.
All-terrain tires with aggressive tread patterns for optimal grip and stability.
๐ก Technology Features
Infotainment
Infotainment Features:
Not applicable; this is a utility ATV with no integrated infotainment system. Focus is on mechanical and operational technology.
Driver Assistance
Driver Assistance Features:
Not applicable; typical driver assistance features like ABS or traction control were not common on this model.
Connectivity
Connectivity Features:
Not applicable.
๐ง Maintenance
Service Intervals
Engine Oil Change:
Every 1000 km or 6 months, whichever comes first. (Refer to manual for exact specifications).
Spark Plug Inspection:
Check at 1000 km, replace as needed. (Refer to manual for correct spark plug type).
Air Filter Cleaning:
Clean every 500 km or every 3 months, replace if damaged. (Refer to manual for replacement part numbers).
Brake Fluid Check:
Inspect level every 500 km or every 3 months. Replace fluid every 2 years. (Refer to manual for DOT fluid specification).
Fluid Specifications
Engine Oil:
Yamalube 4 (10W-40) or API SE, SF, SG, SH, SJ, or SL classification SAE 10W-40 or 20W-40. (Refer to manual for exact viscosity based on temperature).
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid.
Known Issues
Carburetor Fouling:
Common issue with older fuel or infrequent use, requiring cleaning and tuning. Manual provides detailed carburetor disassembly and cleaning procedures.
Suspension Wear:
Bushings and bearings in the suspension can wear over time, affecting handling. Manual details inspection and replacement procedures.
Cv Joint Boots:
Torn CV boots can lead to dirt ingress and premature wear of CV joints. Manual covers inspection and replacement of boots and joints.
๐ Vehicle History
Brand Heritage
Brand Focus:
Yamaha Motor Company is renowned for its innovation and quality across motorcycles, marine products, and ATVs, with a strong heritage in performance and durability.
Model Evolution
Predecessors:
The Wolverine 350 built upon Yamaha's successful line of Big Wheel and Moto-4 ATVs, incorporating advancements like independent front suspension and more powerful engines.
Key Advancements:
The Wolverine 350 series introduced a more refined chassis and suspension compared to earlier models, improving rider comfort and handling characteristics.
Production
Production Period:
The Wolverine 350 was produced for a significant period, with this manual covering the later iterations of the model.
๐ Awards & Recognition
Recognitions
Industry Acclaim:
The Yamaha Wolverine 350 was generally well-regarded for its reliability, comfort, and capable performance within its class, contributing to Yamaha's strong reputation in the ATV market.