Category:
        
        
            High-performance youth motocross competition motorcycle
        
     
    
    
        
            Competitors:
        
        
            Yamaha YZ65, Honda CRF65R, Suzuki RM65, Kawasaki KX65
        
     
    
    
        
            Engine Type:
        
        
            Liquid-cooled, 2-stroke single-cylinder, specifically designed for motocross racing
        
     
    
        
            Suspension Brand:
        
        
            High-quality WP Suspension components for superior handling and adjustability
        
     
    
        
            Chassis:
        
        
            Lightweight and strong chromoly steel frame designed for agility and rider control
        
     
    
        
            Manual Utility:
        
        
            Provides technicians and owners with the exact information needed to maintain peak performance and ensure longevity of the high-strung racing engine.
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, disassembly, assembly, tuning, performance, components (cylinder, piston, crankshaft, connecting rod, bearings, seals)
        
     
    
        
            Control System:
        
        
            Throttle, clutch, brake levers, shift lever operation and adjustment
        
     
    
        
            Mechanical:
        
        
            General mechanical principles, torque specifications, fasteners
        
     
    
        
            Fuel Service:
        
        
            Carburetor service, jetting, fuel lines, fuel tank maintenance, fuel filter replacement
        
     
    
        
            Emission Control:
        
        
            Relevant emission systems and compliance for the model year (if applicable to off-road regulations)
        
     
    
        
            Intake Exhaust Cooling:
        
        
            Airbox, reed valve assembly, exhaust pipe, muffler, radiator, coolant system maintenance
        
     
    
        
            Lube:
        
        
            Two-stroke pre-mix ratio, gearbox oil specifications and change intervals
        
     
    
        
            Ignition Starting Charging:
        
        
            Ignition system components (CDI, stator, spark plug), charging system (if applicable), troubleshooting electrical issues
        
     
    
        
            Clutch:
        
        
            Clutch assembly, plates, springs, hydraulic clutch system maintenance and bleeding
        
     
    
        
            Transmission:
        
        
            Gearbox disassembly, inspection, assembly, shift drum and forks, gear ratios
        
     
    
        
            Suspension:
        
        
            Front fork (WP) disassembly, service, fluid levels, seals, rear shock absorber (WP) service, spring rates, damping adjustments
        
     
    
        
            Wheels Tires:
        
        
            Wheel bearing service, spoke tensioning, tire changing, recommended tire pressures
        
     
    
        
            Brake Control:
        
        
            Brake lever, pedal operation, hydraulic brake system (front and rear), fluid type and replacement
        
     
    
        
            Brake System:
        
        
            Brake caliper service, pad replacement, rotor inspection, brake line maintenance
        
     
    
        
            Steering:
        
        
            Steering head bearing service, adjustment, handlebar replacement
        
     
    
        
            Electrical:
        
        
            Wiring schematics, component testing, lighting (if applicable), horn, kill switch
        
     
    
        
            Bodywork:
        
        
            Fairings, seat, fuel tank cover, fender removal and installation
        
     
    
    
        
            Maintenance:
        
        
            Regular service checks, pre-ride inspections, post-race maintenance, cleaning procedures
        
     
    
        
            Repair:
        
        
            Component-level repairs for all listed systems, from minor adjustments to major overhauls
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting guides for common problems, diagnostic flowcharts
        
     
    
        
            Tuning:
        
        
            Carburetor tuning, suspension adjustment, engine performance optimization
        
     
    
        
            Special Tools:
        
        
            Identification and usage of KTM-specific or recommended special tools for various procedures
        
     
    
    
        
            Depth:
        
        
            Factory-level, comprehensive, detailed step-by-step instructions with diagrams and illustrations for complete repair
        
     
    
        
            Diagrams Illustrations:
        
        
            Includes step-by-step instructions, diagrams, illustrations, and wiring schematics for complete repair.
        
     
 
    
    
    
        
            Compatibility:
        
        
            All Versions of Windows and Mac
        
     
    
        
            Accessibility:
        
        
            Easy-to-use PDF, no need to flip through multiple books
        
     
    
    
        
            Printability:
        
        
            Yes, all pages are printable
        
     
    
        
            Image Enhancement:
        
        
            Ability to blow up images and print enlarged copies
        
     
    
    
        
            Binding:
        
        
            Digital (PDF), no physical binding
        
     
    
    
        
            Paper Type Implication:
        
        
            N/A (Digital format, user prints on desired paper type)
        
     
    
    
        
            Software:
        
        
            Adobe PDF Reader and Winzip (or equivalent unzipping software) are required and available for free download.
        
     
 
    
    
    
        
            Type:
        
        
            Liquid-cooled, 2-stroke, single cylinder
        
     
    
    
        
            Bore X Stroke:
        
        
            43.5 mm x 43.8 mm (Typical for this model, confirm in manual)
        
     
    
    
    
        
            Horsepower:
        
        
            Approximately 10-12 HP (approximate, official figures may vary based on tuning)
        
     
    
        
            Torque:
        
        
            Not typically published for this class, but optimized for high-RPM power delivery
        
     
    
    
        
            Carburetor:
        
        
            Keihin PWK 28 (typical specification, confirm in manual)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline with a specific two-stroke oil pre-mix ratio (e.g., 40:1 or 50:1, consult manual for exact specification)
        
     
    
    
        
            Gearbox Oil Type:
        
        
            SAE 10W/40 high-quality motorcycle transmission oil (confirm viscosity and API rating in manual)
        
     
 
    
    
    
        
            Engine Rebuild Interval:
        
        
            Highly dependent on usage and rider skill; typically requires top-end rebuilds (piston, rings) every 20-40 hours of aggressive use, full rebuilds less frequently. Consult manual for specific recommendations.
        
     
    
        
            Gearbox Oil Change:
        
        
            Recommended every 10-15 hours of operation or annually, whichever comes first.
        
     
    
        
            Air Filter Cleaning:
        
        
            After every ride or as conditions dictate, critical for engine longevity.
        
     
    
    
        
            Coolant:
        
        
            Permanent anti-freeze/anti-corrosion coolant (e.g., Motorex Coolant M3.0) or equivalent, mixed with distilled water.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 brake fluid (confirm in manual).
        
     
    
    
        
            Common Wear Items:
        
        
            Piston rings, spark plugs, clutch plates, wheel bearings, steering head bearings, suspension seals, chain and sprockets.
        
     
    
        
            Common Tuning Challenges:
        
        
            Correct carburetor jetting for ambient conditions, clutch engagement adjustment, suspension setup for rider weight and track conditions.