Engine Mechanical:
Complete engine overhaul, including top-end (piston, rings, cylinder, cylinder head), bottom-end (crankshaft, connecting rod, bearings), valve timing, and lubrication system.
Fuel System:
Carburetor (likely Keihin PWK) disassembly, cleaning, adjustment, jetting, fuel pump operation (if applicable), fuel tank, and fuel lines.
Ignition System:
CDI ignition, stator, rotor, spark plug, ignition timing, troubleshooting ignition faults.
Cooling System:
Radiator, cooling fan (electric), coolant hoses, coolant specifications, thermostat operation, bleeding the system.
Transmission Drivetrain:
Clutch operation, gear shifting mechanism, gearbox disassembly and assembly, transmission oil specifications and change intervals, chain and sprockets maintenance.
Suspension Front:
Upside-down fork service (WP Suspension), oil levels, seal replacement, spring preload adjustment, damping adjustments, fork leg disassembly.
Suspension Rear:
Monoshock absorber service (WP Suspension), linkage system maintenance, shock absorber disassembly, nitrogen recharging (if applicable), spring replacement.
Brakes Front:
Brake caliper service, piston seals, brake pad replacement, brake fluid specifications (DOT 4), bleeding procedure, master cylinder overhaul, brake disc inspection and replacement.
Brakes Rear:
Brake caliper service, piston seals, brake pad replacement, brake fluid specifications (DOT 4), bleeding procedure, master cylinder overhaul, brake disc inspection and replacement.
Electrical System:
Wiring diagrams, battery maintenance, headlight, taillight, turn signals, horn, starter motor, troubleshooting electrical faults.
Wheels Tires:
Wheel bearing maintenance, spoke tension adjustment, tire pressure recommendations, wheel removal and installation, rim specifications.
Frame Chassis:
Frame inspection, steering head bearing maintenance, swingarm bearing service, footpeg mounting, general chassis components.
Scheduled Maintenance:
Detailed service intervals for oil changes, filter replacements, spark plug checks, valve adjustments, chain lubrication, and general inspection.
Engine Repair:
Step-by-step instructions for engine disassembly, component inspection, repair, and reassembly, including torque specifications.
Carburetor Tuning:
Guidance on adjusting idle speed, fuel mixture, and throttle response, along with jetting recommendations for different altitudes and conditions.
Suspension Setup:
Instructions for adjusting suspension settings to suit rider weight and riding style, including sag measurements and damping adjustments.
Brake Bleeding:
Clear procedures for removing air from the brake hydraulic system.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for common issues across all major systems.
Depth:
Comprehensive coverage suitable for professional technicians and advanced DIY mechanics, including complete engine rebuilds and in-depth electrical diagnostics.
Engine Oil Change:
Recommended every 10-15 engine hours or annually, whichever comes first (refer to manual for precise interval).
Air Filter Cleaning:
Clean after every few rides, especially in dusty conditions. Replace as needed.
Spark Plug Check:
Inspect every 20-30 engine hours. Replace as needed based on condition.
Valve Adjustment:
Not applicable for 2-stroke engines (no valves to adjust).
Chain Maintenance:
Clean and lubricate every 2-3 rides. Adjust tension as needed.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors. Mixture of 50% coolant and 50% distilled water recommended. (Refer to manual for specific KTM-approved coolant).
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Common Wear Items:
Clutch plates, piston rings, spark plugs, fork seals, wheel bearings, swingarm bearings, and steering head bearings are common wear items on high-performance off-road bikes.
Carburetor Maintenance:
Periodic cleaning and jetting adjustments are crucial for optimal performance, especially with changes in altitude or temperature.