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            Manual Coverage
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            Systems Covered
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            Engine:
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            Detailed diagnosis, repair, and overhaul procedures for the 535cc 2-stroke twin-cylinder engine.
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            Fuel System:
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            Carburetor tuning, cleaning, rebuilding, fuel pump operation, fuel tank, fuel lines.
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            Ignition System:
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            CDI unit, ignition coils, spark plugs, timing checks, troubleshooting.
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            Cooling System:
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            Air cooling system, fan operation, shroud maintenance.
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            Exhaust System:
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            Muffler, exhaust pipe inspection and repair, performance considerations.
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            Drivetrain:
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            Clutch (primary and secondary), torque converter, drive chain, sprockets, track adjustment and replacement.
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            Suspension:
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            Front suspension (telescopic forks, skis), rear suspension (bogey wheel system, shocks, springs), alignment.
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            Brakes:
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            Hydraulic disc brake system, caliper, master cylinder, brake fluid specifications and bleeding procedures.
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            Steering:
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            Handlebar assembly, steering post, tie rods, ski pivot points, alignment.
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            Electrical System:
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            Lighting (headlight, taillight, brake light), battery, charging system (stator, rectifier/regulator), wiring diagrams, fuses.
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            Bodywork:
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            Body panels, seat, windshield, decals, tunnel inspection and repair.
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            Procedures Included
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            Maintenance:
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            Regular scheduled maintenance, oil changes, lubrication points, filter replacements, spark plug gap and replacement.
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            Troubleshooting:
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            Systematic diagnostic charts for common issues like starting problems, poor performance, electrical faults.
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            Repair:
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            Step-by-step disassembly, inspection, repair, and reassembly for all major components.
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            Rebuilds:
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            Engine, carburetor, brake caliper, and clutch assembly rebuild procedures.
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            Adjustments:
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            Carburetor idle and mixture, clutch engagement, chain tension, track tension, brake lever free play.
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            Specifications:
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            Torque values, clearances, tolerances, fluid capacities, electrical resistance values.
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            Technical Depth
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            Depth:
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            Comprehensive, covering everything from routine maintenance to full engine and component overhauls.
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            Diagnostic Capability:
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            Advanced diagnostic procedures and troubleshooting guides for identifying and resolving complex issues.
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            Rebuilder Level:
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            Suitable for experienced mechanics and DIY enthusiasts capable of detailed mechanical work.
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            Maintenance
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            Service Intervals
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            Oil Change:
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            Check oil injection system periodically; oil change not applicable in the traditional sense, but oil level in the injection reservoir should be maintained.
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            Spark Plug Replacement:
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            Every 1,000-1,500 miles or annually, depending on usage and condition.
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            Clutch Inspection:
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            Inspect primary and secondary clutches annually for belt wear, roller condition, and spring tension.
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            Track Tension Adjustment:
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            Check and adjust track tension every 500 miles or as needed, especially after initial break-in or heavy use.
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            Lubrication:
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            Grease suspension pivot points, steering components, and driveshaft bearings annually or every 1,000 miles.
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            Fluid Specifications
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            Engine Oil Injection:
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            Yamaha Biodegradable 2-Stroke Snowmobile Oil (or equivalent high-quality JASO FD certified 2-stroke oil).
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            Brake Fluid:
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            DOT 3 or DOT 4 hydraulic brake fluid.
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            Chaincase Oil:
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            Yamaha Gear Oil (or equivalent SAE 80W-90 hypoid gear oil).
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            Coolant:
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            N/A (Fan-cooled engine)
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            Known Issues
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            Carburetor Issues:
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            Carburetors can become clogged with age or improper fuel storage, requiring cleaning and tuning.
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            Clutch Wear:
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            Worn clutch rollers or sheaves can lead to poor acceleration and belt slippage.
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            Oil Injection System:
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            The oil injection pump or lines can sometimes clog or fail, requiring inspection and potential replacement to prevent engine damage.
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            Track Tension:
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            Improper track tension can lead to excessive wear on the track, sliders, and drive sprockets.
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