Target User:
DIY enthusiasts, independent repair shops, and Yamaha owners seeking detailed maintenance and repair information.
Value Proposition:
Provides professional-level repair and maintenance guidance, enabling users to perform extensive servicing and troubleshooting, saving on labor costs.
Comparison To Owner Manuals:
Significantly more in-depth than a standard owner's manual, focusing on mechanical procedures rather than operational features.
Manual Features:
Detailed schematics, exploded views, diagnostic charts, torque specifications, and step-by-step repair instructions.
Engine Systems:
Complete engine disassembly, assembly, troubleshooting, diagnosis, internal components (pistons, rings, valves, camshaft, crankshaft), cooling system, lubrication system, starting system, ignition system.
Transmission Drivetrain Systems:
Clutch operation and adjustment, transmission gear inspection and replacement, driveshaft maintenance, differential overhaul (where applicable to 2WD configuration).
Fuel System:
Carburetor adjustment, cleaning, and overhaul; fuel pump operation; fuel filter replacement; fuel tank maintenance.
Electrical System:
Wiring diagrams, lighting system, battery maintenance, charging system (stator, regulator/rectifier), starter motor testing, ignition coil testing, troubleshooting electrical faults.
Chassis And Suspension:
Front and rear suspension components, shock absorber inspection and replacement, steering system (handlebar, tie rods, steering knuckle), wheel bearings, brake system (master cylinder, calipers, pads, lines).
Bodywork And Frame:
Panel removal and installation, seat maintenance, fender inspection, frame integrity checks.
Preventative Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug inspection, brake fluid checks, battery servicing, air filter cleaning/replacement.
Troubleshooting Diagnostics:
Systematic approaches to identifying and resolving common and uncommon performance issues, fault codes (if applicable), and operational problems.
Repair And Rebuild:
Detailed step-by-step instructions for component repair, overhaul, and full rebuilds of major ATV systems.
Special Tools And Techniques:
Identification of required specialized tools and precise instructions for their proper use in specific repair procedures.
Depth Of Coverage:
Comprehensive (covers all aspects from basic checks to complete engine and transmission rebuilds)
Engine Type:
4-stroke, SOHC, 2-valve
Engine Displacement:
348cc
Bore X Stroke:
83.0 mm x 64.5 mm
Cooling System:
Liquid-cooled
Horsepower Estimate:
Approx. 21-23 HP (Varies by model year and tuning)
Torque Estimate:
Approx. 27-29 Nm (Varies by model year and tuning)
Fuel Delivery:
Carburetor (Mikuni BSR33)
Fuel Type:
Unleaded gasoline (87 octane or higher recommended)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Transmission Type:
Automatic (Ultramatic® with 3-speed planetary gear system and reverse)
Final Drive:
Shaft drive (2WD)
Clutch Type:
Wet, multi-disc
Gear Ratios:
Detailed in manual (Low, High, Reverse)
Transmission Fluid Type:
Yamaha's recommended gear oil or equivalent (refer to manual for specific API GL-4/GL-5 or SAE 80/90)
Transmission Fluid Capacity:
Refer to manual for specific fill amount.
Length:
Approx. 75.4 inches (1915 mm)
Width:
Approx. 43.7 inches (1110 mm)
Height:
Approx. 45.9 inches (1165 mm)
Wheelbase:
Approx. 49.2 inches (1250 mm)
Ground Clearance:
Approx. 10.0 inches (254 mm)
Dry Weight:
Approx. 562 lbs (255 kg)
Curb Weight:
Approx. 595 lbs (270 kg)
Front Rack Capacity:
Approx. 110 lbs (50 kg)
Rear Rack Capacity:
Approx. 187 lbs (85 kg)
Towing Capacity:
Refer to manual (typically limited for ATVs of this class)
Safety Standards:
Designed to meet applicable ATV safety regulations; specific ratings not typically issued like passenger vehicles.
Braking System:
Hydraulic disc brakes (front and rear)
Parking Brake:
Mechanical disc brake caliper
Lighting:
Dual 30W Krypton headlights, 15W brake/tail light
Tires:
AT-style knobby tires for optimal traction and stability.
Display Features:
Digital instrument cluster (speedometer, odometer, trip meter, fuel gauge, clock, 2WD/4WD indicator if applicable to other models, engine hour meter).
Rider Aid Features:
None specific; focus is on mechanical performance and rider control.
Connectivity Features:
N/A
Engine Oil Change:
Every 1,000 km or 6 months (refer to manual for exact interval and conditions)
Air Filter Cleaning:
Every 1,000 km or as needed depending on operating conditions (dusty environments require more frequent checks)
Spark Plug Inspection:
Every 1,000 km or annually
Valve Lash Adjustment:
Every 2,000 km or 1 year
Engine Oil Type:
Yamalube 4 (SAE 10W-40) or equivalent API SG or higher, JASO MA certified
Engine Oil Capacity:
Approx. 1.9 L (when filter is changed)
Coolant Type:
Yamaha All Weather Coolant or equivalent ethylene glycol-based antifreeze mixture (50/50)
Brake Fluid Type:
DOT 4 hydraulic brake fluid
Common Wear Items:
Brake pads, brake rotors, wheel bearings, tie rod ends, suspension bushings, drive shaft U-joints (if applicable).
Engine Performance Issues:
Carburetor gumming/clogging (especially with stale fuel), CDI unit failure, occasional starter motor issues.
Electrical Issues:
Corrosion on connectors, regulator/rectifier failure leading to charging problems.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing durable and capable ATVs, dating back to the early '80s with models like the Tri-Moto and the original four-wheelers.
Wolverine Lineage:
The Wolverine line has consistently offered a balance of sport and utility features, evolving from smaller displacement engines to the 350cc class, focusing on user-friendly performance.
Manufacturing Origin:
Primarily manufactured by Yamaha Motor Co., Ltd., often in Japan or other global facilities.
