Basic Information Identification Make: Gas Gas Model: EC Enducross Year: 2006 Engine Variant: 200cc, 250cc, 300cc Codes Engine Code General: EC series (specific codes vary by displacement) Introduction Market Position Vehicle Segment: Competition Enduro / Off-Road Motorcycle Competitive Analysis Competitors 2006: KTM EXC series, Husqvarna TE series, Beta RR series, Sherco SE series Key Features Bike Focus: Lightweight, nimble, powerful two-stroke engines designed for technical off-road riding and competition. Manual Value Proposition Target Audience: Owners, DIY mechanics, and professional technicians performing maintenance, repairs, and diagnostics on the specified Gas Gas models. Manual Details Coverage Areas Coverage Focus: Service, Repair, Workshop, Troubleshooting Page Count Estimated Page Count: Hundreds (exact number not specified, but indicated as extensive) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: Downloadable PDF Manual Coverage Systems Covered Engine Mechanical: Full disassembly, assembly, inspection, and repair of all engine components (piston, cylinder, crankshaft, connecting rod, valves, etc.) Fuel System: Carburetor tuning, cleaning, and overhaul; fuel pump (if applicable); fuel lines; fuel tank maintenance Ignition System: Spark plug specifications, coil testing, CDI unit troubleshooting Cooling System: Radiator maintenance, coolant specifications, fan operation, water pump inspection Exhaust System: Pipe inspection, sealing, and maintenance Transmission And Clutch: Clutch operation, adjustment, and component replacement; gearbox inspection and repair; shift mechanism Suspension Front: Fork service (oil change, seal replacement, bushing inspection), damping adjustments, spring specifications Suspension Rear: Shock absorber service, linkage maintenance, bearing inspection, swingarm service Brakes Front: Caliper overhaul, pad replacement, disc inspection, master cylinder service, fluid bleeding Brakes Rear: Caliper overhaul, pad replacement, disc inspection, master cylinder service, fluid bleeding Wheels And Tires: Tire pressure, rim inspection, spoke tensioning, bearing maintenance Electrical System: Wiring diagrams, lighting systems, battery maintenance, stator/rotor inspection, ignition coil testing Frame And Bodywork: Chassis inspection, bolt tightening, plastic component replacement, seat maintenance Controls: Throttle cable adjustment, clutch lever adjustment, brake lever adjustment, handlebar maintenance Procedures Included Preventative Maintenance: Scheduled oil changes, filter replacements, chain lubrication and adjustment, air filter cleaning Troubleshooting: Diagnostic procedures for common starting issues, engine performance problems, electrical faults, and suspension issues Engine Repair: Top-end rebuilds, bottom-end overhauls, piston and ring replacement, valve adjustments Transmission Repair: Gear replacement, bearing inspection, clutch pack service Suspension Rebuild: Fork seal replacement, damper rod service, shock absorber re-gassing (where applicable), linkage bearing replacement Brake System Overhaul: Caliper seal replacement, master cylinder rebuild, brake line bleeding, pad and disc replacement Electrical Diagnostics: Component testing (coils, stators, CDI), wiring harness repair, lighting circuit troubleshooting Carburetor Service: Cleaning, jetting, float height adjustment, idle speed setting Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and chassis rebuilds Diagrams: Hundreds of detailed photos and exploded diagrams Instructions: Step-by-step instructions for all repair and maintenance procedures Torque Specifications: Detailed torque values for all fasteners and critical components Clearances: Specifications for piston-to-cylinder wall, ring end gap, valve clearances, etc. Manual Specifications File Format File Type: PDF Portability: Compatible with computers, tablets, and smartphones Searchability: Likely searchable text within the PDF (implied by professional nature) Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding: Not applicable (downloadable PDF) Paper Type Paper: Not applicable (downloadable PDF) Licensing Usage Rights: Lifetime use on unlimited devices, no expiry dates, no renewal fees Engine Specifications Primary Engine Engine Type: Two-stroke, liquid-cooled Bore Stroke 200Cc: Specific details not provided in product description, but typically around 62.5mm x 65mm Bore Stroke 250Cc: Specific details not provided in product description, but typically around 66.4mm x 72mm Bore Stroke 300Cc: Specific details not provided in product description, but typically around 72mm x 72mm Carburetor: Keihin PWK (likely 36mm or 38mm depending on displacement) Reed Valve System: Motocraft reed blocks (common for Gas Gas) Performance Power Output Est 200Cc: Approx. 35-40 HP (subject to tuning and conditions) Power Output Est 250Cc: Approx. 40-45 HP (subject to tuning and conditions) Power Output Est 300Cc: Approx. 45-50 HP (subject to tuning and conditions) Fuel System Fuel Type: Unleaded gasoline mixed with two-stroke oil (pre-mix or oil injection, typically pre-mix for this era) Oil Mix Ratio: Typically 50:1 or 60:1 (refer to manual for exact specification) Transmission Standard Transmission Type: 6-speed sequential manual gearbox Clutch Type: Hydraulically actuated diaphragm clutch Features Clutch Actuation: Magura hydraulic clutch system Fluid Type Gearbox Oil: Specific gear oil (e.g., Motul Gear 300 75W-90 or similar) - manual will specify exact grade and quantity Dimensions Exterior Frame Type: Chromoly steel perimeter frame Weights Dry Weight Approx: Approx. 95-105 kg (depending on displacement) Technology Features Infotainment Infotainment System: None (basic instrumentation: speedometer, odometer, neutral light) Driver Assistance Assistance Features: None (purely mechanical/analog controls) Connectivity Connectivity Features: None Maintenance Service Intervals Oil Change Engine: Refer to manual; typically every 10-15 hours of hard use for gearbox oil. Air Filter Cleaning: Frequent cleaning recommended, depending on riding conditions (e.g., every few rides). Spark Plug Replacement: Refer to...