Segment:
        
        
            Mini Motocross / Youth Performance Off-Road
        
     
    
        
            Target Audience:
        
        
            Young motocross racers and off-road enthusiasts aged 8-14 (depending on rider size)
        
     
    
        
            Competitive Advantage:
        
        
            KTM's reputation for performance, durable components, and strong dealer support in the youth motocross segment.
        
     
    
    
        
            Key Competitors:
        
        
            KTM 65 SX (various model years), Yamaha YZ65, Kawasaki KX65, Husqvarna TC65, GasGas MC65
        
     
    
    
        
            Bike Philosophy:
        
        
            KTM's 'Ready to Race' heritage, focusing on performance, quality components, and rider confidence in the competitive mini-bike class.
        
     
    
        
            Manual Value Proposition:
        
        
            Empowers owners and mechanics to maintain and repair the 65 SX/XC effectively, ensuring optimal performance and longevity of a high-performance youth machine.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Complete Service and Repair
        
     
    
        
            Specific Models Covered:
        
        
            2009 KTM 65 SX, 2009 KTM 65 XC
        
     
    
        
            Wiring Diagrams Included:
        
        
            Yes, comprehensive electrical system diagrams are provided.
        
     
    
    
        
            Estimated Pages:
        
        
            300-400 (typical for comprehensive service manuals)
        
     
    
    
        
            Type:
        
        
            Service and Repair Manual
        
     
    
        
            Update Information:
        
        
            This manual covers the 2009 model year specifically. Updates or revisions for subsequent years are separate.
        
     
    
    
    
    
        
            Format:
        
        
            PDF (Digital Download)
        
     
 
    
    
    
        
            Engine:
        
        
            Top-end, bottom-end, cooling system, lubrication, fuel injection/carburetion, ignition, exhaust
        
     
    
        
            Transmission:
        
        
            Clutch, gearbox, shifting mechanism, final drive (chain/sprockets)
        
     
    
        
            Chassis:
        
        
            Frame, subframe, suspension (front forks, rear shock), steering system, brakes (front and rear), wheels, tires
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, lighting system, ignition system components, battery, charging system, control units (if applicable)
        
     
    
        
            Bodywork:
        
        
            Body panels, seat, fuel tank, graphics, ergonomics
        
     
    
        
            Suspension Tuning:
        
        
            Includes basic adjustments for compression, rebound damping, and spring preload for front and rear suspension.
        
     
    
    
        
            Maintenance:
        
        
            Pre-ride inspections, oil changes, filter replacements, chain maintenance, brake pad inspection/replacement, coolant checks, spark plug service
        
     
    
        
            Repair:
        
        
            Engine rebuilds (top-end, bottom-end), transmission overhaul, suspension servicing, brake caliper repair, electrical component replacement, carburetor cleaning/adjustment
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for engine performance issues, electrical faults, starting problems, and chassis-related concerns
        
     
    
        
            Disassembly Assembly:
        
        
            Step-by-step instructions for component removal and installation, with torque specifications
        
     
    
        
            Wheel And Tire Service:
        
        
            Instructions for tire mounting/dismounting, wheel balancing, spoke tightening, and hub maintenance.
        
     
    
    
        
            Depth:
        
        
            Comprehensive: Covers routine maintenance to full engine and transmission overhauls, including detailed diagnostic procedures.
        
     
    
        
            Diagnostic Tools Required:
        
        
            Basic mechanic's tools, torque wrench, feeler gauges, potentially a compression tester. Advanced diagnostics are typically visual/auditory for 2-strokes.
        
     
    
        
            Performance Tuning:
        
        
            Includes guidance on carburetor jetting, exhaust tuning, and power valve adjustments for optimized performance.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Single-cylinder, 2-stroke
        
     
    
    
        
            Bore X Stroke:
        
        
            45 mm x 40.8 mm
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
        
            Cylinder Design:
        
        
            Cylinder with reed valve intake and exhaust port timing.
        
     
    
        
            Power Valve:
        
        
            Mechanical power valve system for improved low-end torque and high-end power delivery.
        
     
    
    
        
            Horsepower Approx:
        
        
            17-19 HP (est. at peak RPM for this class)
        
     
    
        
            Torque Approx:
        
        
            7-9 Nm (est. at peak torque RPM)
        
     
    
    
        
            Carburetor:
        
        
            Keihin PWK 28 (standard)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (RON 95 recommended)
        
     
    
        
            Premix Ratio:
        
        
            1:50 (KTM 2-stroke oil to gasoline)
        
     
    
        
            Reed Block:
        
        
            V-Force reed block (often standard or common upgrade) for improved intake flow.
        
     
    
    
        
            Ignition System:
        
        
            Digital CDI
        
     
    
    
        
            Exhaust System:
        
        
            Performance exhaust pipe and silencer
        
     
 
    
    
    
        
            Type:
        
        
            6-speed manual transmission
        
     
    
        
            Clutch:
        
        
            Hydraulic clutch actuation, multi-plate wet clutch
        
     
    
    
    
        
            Gear Ratios:
        
        
            Specific gear ratios detailed within the manual (e.g., 1st: 2.500, 2nd: 1.800, etc.)
        
     
 
    
    
    
        
            Oil Change Engine:
        
        
            Every 10-15 hours of riding or annually. Specific oil grade and quantity detailed in manual.
        
     
    
        
            Air Filter Cleaning:
        
        
            Before each riding session or as needed based on conditions.
        
     
    
        
            Spark Plug Service:
        
        
            Every 20-25 hours of riding. Manual specifies correct plug type and gap.
        
     
    
        
            Chain Tension Adjustment:
        
        
            Regularly, before each ride. Correct tension specified in manual.
        
     
    
        
            Clutch Adjustment:
        
        
            Regular checks for proper engagement and lever play. Specific procedures in manual.
        
     
    
    
        
            Coolant:
        
        
            Ethylene glycol-based coolant (50% mixture with distilled water). Specific part numbers may be listed.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 hydraulic brake fluid. Specific part numbers may be listed.
        
     
    
        
            Gearbox Oil:
        
        
            KTM recommends specific gear oil for the transmission. Manual will list viscosity and quantity.
        
     
    
        
            Transmission Oil Type:
        
        
            Manual will specify an SAE viscosity grade (e.g., 10W-40 or 80W-90) and API classification suitable for wet clutches.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, brake pads, wheel bearings, swingarm/linkage bearings, tires, sprockets, chain.
        
     
    
        
            Potential Engine Focus:
        
        
            Maintaining the power valve and ensuring proper jetting are crucial for optimal 2-stroke performance. The manual addresses these.