🏷️ Basic Information Identification Make: KTM Model: 660 SMC Year: 2003 Vehicle Type: Motorcycle Codes Model Code: KTM 660 SMC 2003 👋 Introduction Market Position Segment: Supermoto Manufacturer Philosophy: KTM is known for its 'Ready to Race' philosophy, emphasizing performance and off-road heritage, even in their street-legal models like the SMC. Competitive Analysis Competitors: Competed against other European and Japanese manufacturers in the supermoto segment, offering a more aggressive and performance-oriented package. Key Features Styling: Aggressive styling typical of supermoto bikes, designed for agility and street performance. Intended Use: Primarily street riding with an emphasis on agile handling and spirited performance, suitable for carving through urban environments and twisty roads. 📋 Manual Details Coverage Areas Primary Coverage: Operation, maintenance, and basic troubleshooting for the 2003 KTM 660 SMC. Page Count Estimated Page Count: Refer to product description for exact count, likely 100-200 pages for a typical owner's manual of this era. Manual Type Type: Owner's Manual (OM) Language Language: English (assumed, standard for global markets unless otherwise specified) Format Format: Electronic (Digital) Completeness Manual Scope: Covers all aspects of owning and operating the motorcycle for the first owner, including routine maintenance, safety, and general information. 📖 Manual Coverage Systems Covered Powertrain: Engine operation, lubrication, cooling, fuel system, exhaust system. Chassis: Frame, suspension (front and rear), steering, wheels, brakes (front and rear). Electrical: Battery, lighting system, ignition system, instrumentation, starting system. Controls: Throttle, clutch, brakes, gear shift, starting controls, lighting switches. Procedures Included Pre Ride Inspection: Daily checks and inspections before operating the motorcycle. Operation: Starting the engine, shifting gears, braking, safe riding practices. Maintenance: Routine checks, lubrication, filter replacement, fluid level checks, tire pressure checks. Troubleshooting: Basic diagnostic information for common operational issues. Technical Depth Depth: Owner-level maintenance and operation. Not a full workshop or service manual. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) is the most common for electronic manuals, allowing for cross-platform compatibility. Print Quality Printability: High resolution, suitable for printing at home or office. Text is likely searchable. Binding Type Binding: Not applicable (electronic format). If printed, typically saddle-stitched or perfect bound. Paper Type Paper Type: Not applicable (electronic format). Original manuals often used glossy paper for images and durable matte paper for text. ⚙️ Engine Specifications Primary Engine Type: Single-cylinder, four-stroke Displacement: 625 cc (approximate, often cited as 625cc or 660cc for variations of this engine) Bore X Stroke: Specifics would be in the manual, but typically around 100 mm x 80 mm for this engine family. Valve Train: SOHC (Single Overhead Camshaft), 4 valves Performance Horsepower Est: Approximately 50-60 HP (figures vary slightly by market and specific tuning) Torque Est: Approximately 55-65 Nm (figures vary slightly by market and specific tuning) Fuel System Carburetor: Keihin flat-slide carburetor (e.g., Keihin FCR 41mm) is common for this era and engine. Cooling System Type: Liquid-cooled Lubrication System: Wet sump with integrated oil cooler. 🔧 Transmission Standard Type: 5-speed manual Features Clutch: Hydraulically operated, multi-plate wet clutch. Gear Ratios Ratios: Specific gear ratios would be detailed in the manual. Designed for sporty, progressive acceleration. 📐 Dimensions Exterior Wheelbase Est: Approximately 1450 mm (57 inches) Seat Height Est: Approximately 870 mm (34.3 inches) Weights Dry Weight Est: Approximately 140-150 kg (309-331 lbs) Fuel Capacity Tank Volume: Approximately 10-12 Liters (2.6-3.2 US gallons) 🛡️ Safety Features Ratings Safety Standards: Compliant with relevant European (e.g., Euro2) and international motorcycle safety standards for its production year. Active Features Braking System: Hydraulic disc brakes front and rear, with performance calipers (e.g., Brembo) often fitted. Suspension: Upside-down telescopic front fork (e.g., WP Suspension) and monoshock rear suspension, providing high levels of adjustability and control. Passive Features Lighting: Headlight, taillight, brake lights, turn signals. 💡 Technology Features Infotainment Features: Basic instrumentation: speedometer, tachometer, odometer, trip meter, and indicator lights. No advanced infotainment systems typical of modern motorcycles. Driver Assistance Features: None. ABS was not standard or widely available on this model/segment at this time. Connectivity Features: Not applicable. No Bluetooth or Wi-Fi connectivity. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 km (3,000-4,500 miles) or annually, whichever comes first. Check manual for precise interval. Spark Plug Check: Every 5,000-10,000 km (3,000-6,000 miles). Specific plug type required. Air Filter Cleaning: Regularly, especially in dusty conditions. Replacement interval as per manual. Fluid Specifications Engine Oil Type: Fully synthetic motorcycle oil, typically SAE 10W-40 or 15W-50, meeting API SG or higher and JASO MA/MA2 specifications. (e.g., Motorex Power Synt 4T 10W-40 is a common KTM recommendation). Coolant Type: Mixture of distilled water and appropriate motorcycle antifreeze/coolant, typically ethylene glycol-based. (e.g., Motorex Coolant M3.0). Brake Fluid Type: DOT 4 or DOT 5.1 brake fluid (check manual for specific recommendation). Clutch Fluid Type: DOT 4 or DOT 5.1 brake fluid (typically shared with the brake system). Known Issues Carburetor Tuning: Carburetors can require periodic adjustment or...