Target Audience:
Do-it-yourself (DIY) owners and experienced mechanics.
Value Proposition:
Provides in-depth, manufacturer-specific repair information, crucial for maintaining and repairing the Yamaha YFM Wolverine 350.
Manual Advantage:
Comprehensive coverage, detailed step-by-step instructions, extensive use of visual aids, specific to the 2002 model year.
Systems Covered:
General Information, Specifications, Periodic Checks and Adjustments, Engine, Carburetion, Drivetrain, Chassis, Electrical System, Troubleshooting
Estimated Page Count:
300+
Manual Type:
Service Repair Manual
Operating Systems:
Windows and Mac
Required Software:
Adobe PDF Reader
Engine Systems:
Engine disassembly and reassembly, cylinder head, cylinder, piston, crankshaft, camshaft, valve train, lubrication system, cooling system (air-cooled), oil pump, oil filter.
Fuel System:
Carburetor disassembly, cleaning, adjustment, and synchronization; fuel tank, fuel lines, fuel filter.
Drivetrain Systems:
Transmission removal and installation, gear inspection, clutch operation, final drive, drive shafts, differentials (if applicable), chain maintenance.
Chassis Systems:
Frame inspection and repair, suspension (front and rear), steering system, wheel bearings, swingarm, brakes (front and rear), wheels and tires.
Electrical Systems:
Ignition system, charging system (stator, regulator/rectifier), starter motor, battery, lighting, wiring diagrams, troubleshooting electrical faults.
Maintenance Procedures:
Routine maintenance, oil changes, filter replacements, spark plug checks, chain adjustments, brake adjustments, valve clearance checks.
Repair Procedures:
Engine rebuilds, carburetor overhauls, transmission repairs, suspension component replacement, brake system servicing, electrical component troubleshooting and replacement.
Troubleshooting Guides:
Step-by-step diagnostic procedures for common issues, symptom-based troubleshooting, electrical diagnostic charts.
Depth Of Coverage:
Comprehensive, from basic maintenance to complete engine and transmission overhauls. Features step-by-step instructions based on complete disassembly of the machine.
Visual Aids:
Hundreds of photos and illustrations to guide service and repair procedures.
Engine Type:
4-stroke, SOHC, Air-cooled
Bore X Stroke:
83.0 mm x 64.5 mm
Horsepower:
Approximately 18-20 HP (estimated, actual may vary)
Torque:
Not specified, but characterized by strong low-end torque.
Carburetor Model:
Teikei Y28P
Fuel Type:
Unleaded gasoline
Ignition Type:
TCI (Transistor Controlled Ignition)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SG)
Oil Capacity With Filter:
2.10 L (2.22 US qt, 1.85 Imp qt)
Transmission Type:
5-speed constant mesh with automatic clutch and reverse
Optional Transmission:
N/A
Clutch Type:
Automatic centrifugal clutch
Final Drive:
O-ring sealed chain, 520
Transmission Oil Type:
Yamalube 4 (or equivalent SAE 80 API GL-4)
Transmission Oil Capacity:
0.60 L (0.63 US qt, 0.53 Imp qt)
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months.
Spark Plug Check:
Every 1,000 km (600 miles) or 6 months.
Air Filter Cleaning:
Every 1,000 km (600 miles) or 6 months; replace as needed.
Valve Clearance Check:
Every 2,000 km (1,200 miles) or 12 months.
Drive Chain Lubrication Adjustment:
Every 500 km (300 miles) or monthly.
Engine Oil Spec:
Yamalube 4 (or equivalent SAE 10W-30 API SG)
Transmission Oil Spec:
Yamalube 4 (or equivalent SAE 80 API GL-4)
Brake Fluid Spec:
DOT 3 or DOT 4
Common Wear Items:
Brake pads, brake lines, wheel bearings, drive chain and sprockets, carburetor jets, swingarm bushings.
Engine Performance Issues:
Carburetor clogging due to fuel quality, potential for valve seat wear over high mileage.
Electrical Issues:
Wiring harness wear, stator failure, regulator/rectifier failure over time.
Required Tools Mention:
The manual details specific tools and torque specifications required for various procedures.
Yamaha Atv History:
Yamaha has a long-standing reputation for building reliable and capable ATVs, with the Wolverine line being a significant contributor to its off-road legacy.
Wolverine Series Introduction:
The Wolverine series was introduced to offer a capable utility and recreational ATV, emphasizing comfort and ease of use with its automatic transmission.
Manufacturing Location:
Likely manufactured in Japan or at Yamaha's global production facilities.
