Manual Coverage
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Systems Covered
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Engine:
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Comprehensive diagnosis, repair, and overhaul of the 600cc engine, including cylinder head, piston, crankshaft, camshaft, valve timing, and seals.
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Fuel System:
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Carburetor tuning and rebuilding (Mikuni BS34), fuel pump, fuel filter, and fuel lines.
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Lubrication Cooling:
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Oil pump, oil filter, oil passages, cooling system (radiator, fan, coolant), and oil viscosity recommendations.
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Combustion System:
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Ignition system (CDI, spark plug specifications, timing), compression testing, and cylinder head gasket replacement.
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Transmission:
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Operation and service of the automatic transmission, including CVT belt inspection and replacement, centrifugal clutch, and drive/driven pulleys.
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Drivetrain:
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Front and rear differential service, driveshafts, CV joints, and wheel hub bearings.
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Suspension:
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Front and rear suspension systems, including shocks, springs, A-arms, bushings, and alignment procedures.
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Steering:
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Handlebar assembly, steering shaft, tie rods, ball joints, and steering stop adjustment.
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Brakes:
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Front and rear hydraulic brake systems, including master cylinders, calipers, brake pads, brake fluid specifications (DOT 3), and bleeding procedures.
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Electrical:
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Wiring diagrams, battery specifications, charging system (stator, rectifier/regulator), lighting, starter motor, and switches.
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Bodywork Chassis:
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Frame inspection, plastic body panel removal and installation, fenders, seat, and handlebars.
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Procedures Included
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Maintenance:
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Scheduled maintenance tasks, oil changes, filter replacements, spark plug checks, lubrication points, and general upkeep.
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Diagnostics:
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Systematic troubleshooting guides for common and uncommon issues, error code interpretation (if applicable), and symptom-based diagnostic trees.
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Repair:
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Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components and systems.
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Rebuilds:
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Detailed procedures for engine and transmission overhauls, including torque specifications and critical clearances.
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Adjustments:
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Carburetor synchronization, valve lash adjustment, brake adjustments, and steering alignment.
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Wiring Diagrams:
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Full electrical schematics for easy troubleshooting of electrical faults.
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Special Tools:
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Identification of required special tools and their usage.
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Technical Depth
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Depth:
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Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Equivalent to dealer-level technical information.
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Maintenance
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Service Intervals
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Engine Oil Change:
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Every 1000 km or 6 months, whichever comes first (or every 20 hours of use).
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Air Filter Cleaning:
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Every 1000 km or 6 months (more frequently in dusty conditions).
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Spark Plug Check:
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Every 2000 km or 12 months.
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Cv Belt Inspection:
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Inspect every 2000 km or 12 months. Replace as needed based on wear.
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Brake Fluid Flush:
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Every 2 years or as needed.
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Fluid Specifications
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Engine Oil Spec:
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Yamalube 4 (or equivalent) SAE 10W-40 API SE, SF, or SG.
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Brake Fluid Spec:
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SAE J1703 or DOT 3
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Coolant Type:
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Ethylene glycol based antifreeze coolant (50% mixture with distilled water recommended).
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Known Issues
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Common Wear Items:
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CVT belt wear, suspension bushings, brake pads, and wheel bearings are common wear items on higher-mileage units.
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Carburetor Cleaning:
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Carburetor can be prone to gumming up if fuel sits for extended periods; regular fuel stabilizer use is recommended.
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Cooling System:
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Fan operation and radiator integrity are crucial for preventing overheating.
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