This manual provides comprehensive technical information for the ATV, covering model years 2001 through 2005, including variants YFM350FXN, YFM350FXP, YFM350FXR, YFM35FXS, YFM35FXT, YFM35FXH, YFM35FXG, YFM350FXM(C), and YFM350FXLC. Known for its robust air-cooled, 4-stroke, SOHC parallel-twin engine with a displacement of 348cc, the 350 is engineered for reliable performance in demanding off-road conditions. Its features include a 5-speed automatic clutch transmission with reverse, shaft drive, and full floorboards for rider protection, making it a capable machine for trail riding and utility tasks. A heritage in powersports ensures a focus on durability and performance in this model.
This factory service manual is an indispensable resource for maintaining and repairing the 350. It details all aspects of the vehicle, including general information, maintenance schedules, fuel and cooling systems, engine and transmission overhauls, clutch and final drive operations, frame and bodywork, steering, suspension, braking systems, and the complete electrical system with wiring diagrams. The manual offers step-by-step repair procedures, troubleshooting guides, and essential technical specifications, ensuring that owners and technicians have access to accurate, factory-level guidance for optimal vehicle upkeep and longevity.
Model Variants Covered:
YFM350FXN, YFM350FXP, YFM350FXR, YFM35FXS, YFM35FXT, YFM35FXH, YFM35FXG, YFM350FXM(C), YFM350FXLC
Model Years Covered:
2001, 2002, 2003, 2004, 2005
Chassis Codes:
YFM350FX series
Market Position:
Essential technical resource for owners and technicians of the Yamaha Wolverine 350 4WD ATV, providing factory-level repair and maintenance information.
Competitive Analysis:
This factory service manual offers the definitive and most accurate repair information compared to generic repair guides, ensuring correct procedures and specifications are followed.
Key Features:
Instant download, comprehensive coverage, step-by-step procedures, detailed diagrams and illustrations, troubleshooting guidance, digital format accessible on multiple devices.
Coverage Areas:
Complete vehicle
Page Count:
Not specified, but implied to be comprehensive for a factory service manual.
Manual Type:
Factory Service Manual / Repair Manual
Format:
Digital Downloadable (PDF)
Systems Covered:
General Information, Maintenance, Fuel System, Cooling System, Engine, Transmission, Clutching, Final Drive, Body and Frame, Steering and Suspension, Brakes, Electrical System, Wiring Diagrams
Procedures Included:
Maintenance, service, repair, removal and installation of components, troubleshooting
Technical Depth:
Comprehensive, step-by-step repair procedures with illustrations, diagrams, exploded parts views, service information, and troubleshooting guides.
Print Quality:
Identical to a printed repair book, implies high-resolution illustrations and text for clarity.
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Engine Type:
Air-cooled, 4-stroke, SOHC, parallel-twin
Bore X Stroke:
68.5 mm x 96 mm
Horsepower:
Approximately 20-22 HP (actual figures may vary by specific model year and tuning)
Torque:
Approximately 19-21 lb-ft (actual figures may vary)
Carburetor:
Mikuni BSR33 (single)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
3.2 US gal (12 L)
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher
Oil Capacity:
1.8 US qt (1.7 L) without filter change, 2.0 US qt (1.9 L) with filter change
Ignition System:
T.C.I. (Transistor Controlled Ignition)
Cooling Method:
Air-cooled
Transmission Type:
5-speed constant mesh with automatic clutch and reverse
Clutch Type:
Wet, centrifugal, automatic
Final Drive Type:
Shaft drive with sealed O-ring chain final drive
Transmission Fluid Type:
Yamaha Gear Oil 10W-30 (or equivalent)
Transmission Fluid Capacity:
0.13 US qt (0.12 L)
Length:
75.0 in (1905 mm)
Height:
43.1 in (1095 mm)
Wheelbase:
49.2 in (1250 mm)
Ground Clearance:
6.1 in (155 mm)
Dry Weight:
525 lbs (238 kg)
Wet Weight:
Approximately 553 lbs (251 kg)
Safety Ratings:
N/A (ATV, not subject to automotive crash test ratings)
Active Features:
Disc brakes front and rear, handlebar throttle lever, neutral indicator light, high beam indicator light.
Passive Features:
Full floorboards for foot protection, integrated grab bar, comfortable seating position.
Infotainment System:
N/A (Basic ATV design focuses on functionality and off-road performance, not typically equipped with infotainment systems.)
Driver Assistance:
N/A (No advanced driver assistance systems typically found on ATVs.)
Engine Oil Change Interval:
Every 1,000 km (600 miles) or 6 months, whichever comes first.
Air Filter Cleaning Interval:
Every 200 km (125 miles) or 1 month in dusty conditions, every 1,000 km (600 miles) or 6 months otherwise.
Spark Plug Replacement Interval:
Every 3,000 km (1,800 miles) or 1 year.
Engine Oil Grade:
SAE 10W-40 API SG or higher
Engine Oil Capacity:
1.8 US qt (1.7 L) without filter, 2.0 US qt (1.9 L) with filter
Transmission Fluid Grade:
Yamaha Gear Oil 10W-30 or equivalent
Transmission Fluid Capacity:
0.13 US qt (0.12 L)
Brake Fluid Type:
DOT 3 or DOT 4
Known Issues:
Potential for carburetor issues (gumming, sticking jets) if fuel is not drained during long-term storage, some reports of starter motor reliability, normal wear and tear on suspension components and drive shafts due to off-road use.
Valve Lash Clearance Intake:
0.08-0.12 mm (0.003-0.005 in)
Valve Lash Clearance Exhaust:
0.08-0.12 mm (0.003-0.005 in)
Idle Speed:
1400 ± 50 rpm
Tire Pressure Front:
5 psi (35 kPa)
Tire Pressure Rear:
5 psi (35 kPa)
Brand Heritage:
Yamaha Motor Corporation is a Japanese manufacturer renowned for its diverse range of products including motorcycles, marine products, and powersports vehicles, known for reliability and performance.
Model Evolution:
The Wolverine 350 line represented Yamaha's offering in the mid-size utility ATV segment, evolving from earlier models with a focus on 4WD capability and ease of use for trail riding and light work.
Production Years:
Generally produced throughout the early to mid-2000s, with this manual covering 2001-2005.
Recognitions:
N/A (Specific awards for this model year are not prominently documented, but Yamaha is a respected brand in the powersports industry.)
Ratings:
Generally well-regarded for its reliable engine and 4WD system for its intended use.
