Vehicle Segment:
Recreational ATV (All-Terrain Vehicle)
Target Audience:
Off-road enthusiasts, utility users, recreational riders.
Key Competitors:
Honda FourTrax 350, Suzuki King Quad 300/345, Kawasaki Bayou 300.
Vehicle Usp:
Reliable air-cooled engine, capable 4x2 platform for a variety of terrains, balanced handling, robust build quality.
Manual Value Proposition:
Provides comprehensive and authoritative information for maintaining and repairing the Yamaha Wolverine 350 4x2, empowering owners and technicians with the knowledge to keep the ATV in optimal condition.
Engine Service:
Complete engine overhaul, including disassembly, inspection, cleaning, reassembly, valve adjustment, piston and cylinder service, crankshaft and connecting rod checks.
Fuel System:
Carburetor servicing, fuel pump operation, fuel line routing, fuel filter replacement, fuel tank maintenance.
Transmission And Drivetrain:
Clutch operation (automatic centrifugal), gearbox inspection and repair, drive shaft maintenance, final drive servicing.
Suspension And Steering:
Front and rear suspension component inspection, replacement, and adjustment; steering system service and alignment.
Braking System:
Hydraulic brake system servicing, caliper and master cylinder maintenance, brake pad and shoe replacement, bleeding procedures.
Electrical System:
Ignition system diagnostics, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting, instrumentation, wiring diagrams.
Cooling System:
Radiator, fan, thermostat, coolant type and capacity, flush and refill procedures.
Exhaust System:
Muffler and pipe inspection, gasket replacement.
Body And Frame:
Body panel removal and installation, frame inspection, seat and handlebar servicing.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, lubrication points, spark plug replacement, air filter cleaning/replacement.
Troubleshooting Guides:
Systematic diagnostic procedures for common problems and symptoms.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation.
Assembly Disassembly:
Detailed sequences for breaking down and rebuilding major vehicle components.
Torque Specifications:
Precise torque values for critical fasteners.
Special Tool Requirements:
Identification of specialized tools needed for specific procedures.
Depth Of Coverage:
Comprehensive (from basic owner maintenance to complete engine and transmission rebuilds).
Diagnostic Capability:
Advanced diagnostic trees and troubleshooting flowcharts for electrical and mechanical issues.
Performance Tuning:
While not primarily a tuning guide, it provides specifications for stock performance parameters and potential adjustments.
File Format:
PDF (Portable Document Format)
Searchability:
Typically searchable text within the PDF for quick information retrieval.
Print Quality Recommendation:
High-resolution, suitable for printing specific sections or the entire manual.
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Engine Type:
Air-cooled, 4-stroke, SOHC
Engine Displacement:
348cc
Bore X Stroke:
83 mm x 64.5 mm
Valve Configuration:
SOHC (Single Overhead Camshaft), 2 valves
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower:
Approximately 20-23 HP (figures vary slightly by exact model year and tuning).
Torque:
Approximately 20-22 lb-ft (figures vary slightly by exact model year and tuning).
Fuel Delivery:
Mikuni BSR33 carburetor
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Fuel Tank Capacity:
3.3 US gallons (12.5 Liters)
Overall Length:
Approx. 76.4 inches (1940 mm)
Overall Width:
Approx. 42.1 inches (1070 mm)
Overall Height:
Approx. 43.3 inches (1100 mm)
Wheelbase:
Approx. 49.2 inches (1250 mm)
Ground Clearance:
Approx. 6.3 inches (160 mm)
Dry Weight:
Approx. 509 lbs (231 kg)
Curb Weight:
Approx. 520 lbs (236 kg)
Max Load Capacity:
Refer to owner's manual for specific rider and cargo limits.
Atv Safety Standards:
Designed to meet applicable industry safety standards for ATVs.
Braking System Type:
Front: Dual Hydraulic Disc; Rear: Dual Hydraulic Disc (some models may have drum rear).
Parking Brake:
Typically a mechanical parking brake integrated into the rear brake lever or a separate caliper.
Lighting:
Dual 30W headlights, 8W/27W taillight/brake light.
Handlebars And Controls:
Ergonomically designed handlebars with thumb throttle and standard grip controls.
Seat Design:
Comfortable and secure seating position for the rider.
Engine Oil Change:
Every 600 miles (1000 km) or 6 months, whichever comes first. Check manually for specific break-in period recommendations.
Air Filter Cleaning:
Clean every 100 miles (160 km) or 3 months, or more frequently in dusty conditions. Replace as needed.
Spark Plug Inspection Replacement:
Inspect every 1200 miles (2000 km) or 12 months. Replace as needed.
Valve Adjustment:
Every 1200 miles (2000 km) or 12 months. Crucial for performance and longevity.
Brake Fluid Check Replace:
Check fluid level regularly. Replace fluid and flush system every 2 years or as recommended.
Engine Oil Type:
Yamalube 4 (or equivalent API SG, SAE 10W-30) 4-stroke motorcycle oil.
Engine Oil Capacity:
Approx. 2.2 US quarts (2.1 Liters) with filter change.
Cooling System Coolant:
Mixture of Yamalube Coolant or equivalent ethylene glycol-based coolant and distilled water (50/50 ratio).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
Brake pads, wheel bearings, drive shaft U-joints, CVT belt (especially with heavy use).
Carburetor Issues:
Can become clogged with debris over time, requiring cleaning and adjustment. Pilot jet can be prone to blockage.
Idle Control:
Idle speed adjustment may be required periodically.
Starter Solenoid:
Can occasionally fail, preventing engine cranking.
Manufacturer:
Yamaha Motor Company, Ltd.
Atv Pioneering:
Yamaha has been a significant innovator and producer of ATVs since the 1970s, contributing to the development of the industry.
Wolverine Lineage:
The Wolverine 350 is part of Yamaha's long-standing line of capable and reliable utility-oriented ATVs.
Production Period:
The Wolverine 350 model line, including this generation, was produced for several years, catering to the mid-size ATV market.
Manufacturing Location:
Typically manufactured in Japan or through Yamaha's global production facilities.
