Engine:
        
        
            Complete overhaul, disassembly, assembly, inspection, tuning, and troubleshooting of the 348cc air-cooled engine.
        
     
    
        
            Fuel System:
        
        
            Carburetor (Mikuni BSR33) servicing, adjustment, and troubleshooting; fuel pump operation; fuel tank and lines.
        
     
    
        
            Ignition System:
        
        
            CDI ignition system components, testing, timing, and troubleshooting.
        
     
    
        
            Drivetrain:
        
        
            Shaft drive system, differential, axle servicing, U-joints, and drive shaft inspection.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension systems, shock absorbers, springs, control arms, and bushings.
        
     
    
        
            Braking System:
        
        
            Front and rear brake caliper servicing, pad replacement, fluid flush and bleed, master cylinder, and brake lines.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, lighting system, starter motor, battery charging system (stator and regulator/rectifier), fuses, switches, and relays.
        
     
    
        
            Cooling System:
        
        
            Air-cooled engine heat dissipation, fan operation (if applicable).
        
     
    
        
            Chassis And Frame:
        
        
            Frame inspection, welding points, steering system components (handlebar, steering stem, bearings).
        
     
    
        
            Wheels And Tires:
        
        
            Tire pressure recommendations, wheel bearing maintenance, lug nut torque specifications.
        
     
    
        
            Bodywork:
        
        
            Fender removal/installation, plastic panel maintenance, seat removal.
        
     
    
    
        
            Preventive Maintenance:
        
        
            Scheduled maintenance tasks, lubrication points, filter replacements, valve adjustments.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for common and uncommon issues, symptom-based problem solving.
        
     
    
        
            Engine Repair:
        
        
            Top-end rebuild, bottom-end overhaul, piston/ring replacement, crankshaft service, gasket replacement.
        
     
    
        
            Carburetor Rebuild:
        
        
            Detailed steps for disassembling, cleaning, inspecting, and reassembling the carburetor with jetting information.
        
     
    
        
            Electrical Diagnostics:
        
        
            Testing of ignition coils, stators, starter motors, and switches using multimeters and diagnostic tools.
        
     
    
        
            Suspension Adjustment:
        
        
            Fork oil changes, spring preload adjustments, rear shock adjustments.
        
     
    
        
            Brake Service:
        
        
            Complete brake bleeding procedure, caliper piston service, and pad replacement.
        
     
    
        
            Drivetrain Maintenance:
        
        
            Greasing of U-joints, differential oil change, drive shaft alignment checks.
        
     
    
        
            Steering System Service:
        
        
            Steering stem bearing adjustment and replacement.
        
     
    
    
        
            Depth Level:
        
        
            Comprehensive, from basic maintenance and routine checks to complete engine and drivetrain rebuilds.
        
     
    
        
            Diagnostic Capabilities:
        
        
            Detailed diagnostic flowcharts and specifications for identifying and resolving mechanical and electrical issues.
        
     
    
        
            Special Tools:
        
        
            Identification of required special tools and equipment for specific repair procedures.
        
     
 
    
    
    
        
            Engine Type:
        
        
            4-stroke, SOHC, air-cooled, single-cylinder
        
     
    
        
            Displacement:
        
        
            348 cc (21.2 cubic inches)
        
     
    
        
            Bore X Stroke:
        
        
            83.0 mm x 64.5 mm
        
     
    
    
    
        
            Horsepower Estimate:
        
        
            Approximately 18-20 HP (specific figures vary by year and tuning).
        
     
    
        
            Torque Estimate:
        
        
            Approximately 20-22 lb-ft (specific figures vary by year and tuning).
        
     
    
    
        
            Carburetor Model:
        
        
            Mikuni BSR33
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
    
        
            Oil Type Specification:
        
        
            Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ or higher classification) engine oil.
        
     
    
    
        
            Ignition System Type:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            5-speed manual with automatic clutch and Reverse
        
     
    
    
        
            Gearbox Options:
        
        
            N/A (Standard 5-speed manual with reverse)
        
     
    
    
        
            Clutch Type:
        
        
            Automatic centrifugal clutch
        
     
    
        
            Drive System:
        
        
            Shaft drive, 2WD (Rear Wheel Drive)
        
     
    
    
        
            Gear Oil Type:
        
        
            Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ or higher classification) API GL-4 gear oil for the final drive/transmission case.
        
     
 
    
    
    
        
            Atv Safety Standards:
        
        
            Compliant with applicable ANSI/SVIA standards for ATVs.
        
     
    
    
        
            Braking System Type:
        
        
            Hydraulic disc brakes front and rear.
        
     
    
        
            Parking Brake:
        
        
            Hand-operated parking brake lever.
        
     
    
    
        
            Lighting:
        
        
            Dual halogen headlights, taillight, and brake light.
        
     
    
    
        
            Operator Training Emphasis:
        
        
            Manual strongly emphasizes proper rider training, safety gear, and adherence to operating guidelines.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Recommended every 100 hours or annually, whichever comes first.
        
     
    
        
            Air Filter Cleaning:
        
        
            Inspect and clean every 20 hours or annually, replace as needed.
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended every 600 hours or annually.
        
     
    
        
            Valve Clearance Check:
        
        
            Recommended every 600 hours or annually.
        
     
    
        
            Brake Fluid Flush:
        
        
            Recommended every 2 years or as needed based on condition.
        
     
    
    
        
            Engine Oil Capacity Oz:
        
        
            Approx. 78 US oz.
        
     
    
        
            Final Drive Oil Capacity Oz:
        
        
            Approx. 180 ml (6.1 US oz).
        
     
    
    
        
            Common Wear Items:
        
        
            Brake pads, front axle boots (CV boots), control arm bushings, and starter drive gears can be common wear items under heavy use.
        
     
    
        
            Carburetor Tuning:
        
        
            Carburetor may require periodic cleaning and adjustment due to fuel variability or debris.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion on electrical connectors, especially in wet environments, can lead to intermittent issues.