Segment:
Entry-level to mid-range utility/sport ATV.
Target Audience:
Recreational riders, trail riders, and light utility users seeking a reliable and capable ATV.
Key Competitors:
Honda FourTrax 300/350, Suzuki QuadRunner 300, Kawasaki Bayou 300.
Engine Configuration:
Proven air-cooled, 4-stroke engine known for durability and torque.
Drivetrain:
Shaft-driven 2WD system for reliability and low maintenance.
Suspension:
Independent front suspension (IFS) on SPORT models for improved handling and comfort, solid rear axle.
Transmission:
5-speed manual with reverse, offering good gear selection for various terrains.
Primary Coverage:
Service, Repair, Maintenance, Overhaul
Specific Systems:
Engine, Transmission, Drivetrain, Suspension, Brakes, Electrical System, Fuel System, Cooling System, Chassis, Bodywork, Troubleshooting, Maintenance Schedules
Estimated Pages:
300-400 (estimated based on typical service manuals for this type of vehicle)
Type:
Service Manual / Repair Manual
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures.
Transmission Service:
Maintenance, inspection, and repair of the transmission system.
Drivetrain Maintenance:
Service for drive shafts, differentials, and hubs.
Suspension And Steering:
Adjustment, repair, and replacement of suspension components and steering system.
Braking System:
Maintenance, bleeding, caliper, and pad/shoe replacement procedures.
Electrical Diagnostics:
Wiring diagrams, component testing, troubleshooting of lighting, ignition, and charging systems.
Fuel System Servicing:
Carburetor adjustment and cleaning, fuel pump testing, fuel line maintenance.
Cooling System Maintenance:
Coolant flush, radiator, and fan assembly service.
Chassis And Frame:
Inspection and repair of frame components, mounting points.
Bodywork And Plastics:
Panel removal, installation, and minor bodywork repair guidance.
Routine Maintenance:
Oil changes, filter replacements, lubrication, valve clearance checks.
Troubleshooting Guide:
Diagnostic flowcharts and common problem resolution steps.
Rebuild Instructions:
Detailed instructions for major component overhauls (e.g., engine, transmission).
Component Replacement:
Step-by-step guides for replacing parts like starters, alternators, brake pads.
Torque Specifications:
Detailed torque values for critical fasteners.
Special Tool Requirements:
Identification of any specialized tools needed for specific procedures.
Depth:
Comprehensive, suitable for professional technicians and advanced DIY mechanics.
Diagnostic Capability:
Advanced diagnostic procedures for electrical and mechanical issues.
Engine Rebuild Level:
Full engine rebuild with detailed measurements and tolerances.
Searchable:
Yes (text-based, not scanned image)
Zoom Capability:
Yes (high-resolution, computer-generated)
Quality Description:
Highest quality computer-generated digital manual, no scanned image artifacts.
Type:
Digital Download (PDF)
Type:
N/A (Digital Format)
Type:
4-stroke, SOHC, Air-cooled
Bore X Stroke:
83.0 mm x 64.5 mm
Valve Clearance Intake:
0.08 - 0.12 mm (Cold)
Valve Clearance Exhaust:
0.10 - 0.14 mm (Cold)
Horsepower:
Approx. 20-22 HP (estimated)
Torque:
Approx. 20-22 lb-ft (estimated)
Carburetor Model:
Mikuni BSR33/1
Fuel Type:
Unleaded gasoline (87 octane or higher recommended)
Fuel Tank Capacity:
3.0 US gal (11.4 L)
Engine Oil Type:
Yamalube 4 (or equivalent 4-stroke motorcycle oil)
Engine Oil Viscosity:
SAE 10W-30 or 20W-40 (depending on ambient temperature)
Engine Oil Capacity:
1.70 US qt (1.6 L) / 1.90 US qt (1.8 L) with filter change
Coolant Type:
Yamaha Coolant (or equivalent ethylene glycol-based antifreeze)
Coolant Capacity:
N/A (Air-cooled engine)
Rollover Resistance:
Not rated (as with most ATVs, operator caution required)
Braking System:
Hydraulic disc brakes front and rear.
Parking Brake:
Mechanical drum brake on rear axle.
Handlebars:
Wide handlebars with thumb throttle for control.
Lighting:
Dual 30W headlights, 8W taillight/stoplight.
Recommendations:
Always wear a helmet, eye protection, and protective clothing. Read owner's manual before operating.
Engine Oil Change:
Every 1000 km or 6 months, whichever comes first.
Air Filter Cleaning:
Every 500 km or 100 operating hours; replace as needed.
Spark Plug Inspection:
Every 1000 km; replace as needed.
Valve Clearance Check:
Every 2000 km or 12 months, whichever comes first.
Transmission Oil Change:
Every 2000 km or 12 months, whichever comes first.
Engine Oil:
Yamalube 4, 10W-30/20W-40
Transmission Gear Oil:
Yamalube Hypoid Gear Oil, SAE 80/90
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Carburetor Tuning:
Carburetors may require periodic adjustment or cleaning to maintain optimal performance, especially with ethanol fuels.
Carburetor Jetting:
Altitude or aftermarket exhaust changes may necessitate carburetor jetting adjustments.
Drive Shaft Boots:
Inspect drive shaft boots regularly for tears or damage to prevent contamination of U-joints.
Rear Axle Bearings:
Periodic inspection and lubrication of rear axle bearings can prevent premature wear.
Storage:
Proper storage procedures, including fuel stabilization and battery care, are critical for longevity.
Heritage:
Yamaha has a long history of producing reliable and innovative powersports vehicles, including ATVs, motorcycles, and marine products.
Predecessors:
The Wolverine line evolved from earlier Yamaha 300cc class ATVs, building on their reputation for durability and utility.
Positioning:
The 350cc Wolverine was positioned as a versatile, go-anywhere utility ATV with optional sport-oriented features, offering a good balance of capability and value.
Manufacturing Location:
Primarily manufactured in Japan or by Yamaha's global manufacturing partners.
Model Range:
The Wolverine 350 model was produced for several years, with the 2006 model representing a specific iteration with potential minor updates.
