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.
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.
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.
Covered Years:
2003, 2004, 2005, 2006, 2007, 2008, 2009
Covered Models:
All Wolverine 350 models
Estimated Page Count:
Exact page count not specified, but described as comprehensive 'A-Z' coverage.
Manual Type:
Workshop Service Repair Manual
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.
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.
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.
Searchability:
Likely searchable text within the PDF, typical of modern workshop manuals.
Printability:
All pages are printable, allowing for physical copies as needed.
Binding Type:
Not applicable for PDF download. User can print and bind as desired.
Paper Type:
Not applicable for PDF download. User can choose paper type upon printing.
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)
Horsepower:
Approximately 20-22 HP at 6500 RPM (estimated, specific dyno figures vary).
Torque:
Approximately 20-22 lb-ft at 5000 RPM (estimated).
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approximately 3.17 US gallons (12 liters), including reserve.
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Transmission Type:
5-speed manual with automatic clutch (forward gears + reverse)
Clutch Type:
Wet, multi-plate automatic clutch
Drive System:
Shaft drive to rear wheels, with option for 2WD or 4WD depending on model variant.
Transmission Oil:
Yamaha Genuine Gear Oil (or equivalent API GL-4, SAE 80W-90)
Transmission Oil Capacity:
Approximately 0.7 US quarts (0.65 liters).
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)
Dry Weight:
Approximately 467 lbs (212 kg) for 2WD, slightly more for 4WD variants.
Ground Clearance:
Approximately 7.7 inches (195 mm)
Front Rack Capacity:
Approximately 45 kg (99 lbs)
Rear Rack Capacity:
Approximately 65 kg (143 lbs)
Atv Safety Standards:
Designed to meet ANSI standards for recreational ATVs. Users must always follow safety precautions outlined in the owner's manual.
Braking:
Dual front hydraulic disc brakes and single rear hydraulic disc brake.
Lighting:
Dual 30W headlights, 8W taillight/brake light.
Chassis Design:
Sturdy frame construction, ergonomic seating position.
Tires:
All-terrain tires with aggressive tread patterns for optimal grip and stability.
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).
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.
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.
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.
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 Period:
The Wolverine 350 was produced for a significant period, with this manual covering the later iterations of the model.
