🏷️ Basic Information Identification Make: Yamaha Model: Spark 135 / Exciter 135LC Model Designation: Exciter 135LC Engine Type: 135cc class underbone motorcycle Generation Production Years Covered: 2005, 2006, 2007, 2008, 2009 👋 Introduction Market Position Segment: Entry-level to mid-range sport underbone motorcycle, popular in Southeast Asian markets. Competitive Analysis Competitors: Honda Wave 125, Suzuki Raider 150, various models from other manufacturers in the 130-150cc underbone segment. Key Features Vehicle Design Philosophy: Combines sporty styling with practical utility, offering a balance of performance and economy. Key Features Manual Manual Value Proposition: Provides comprehensive, factory-level technical information, enabling owners to perform maintenance, diagnostics, and repairs themselves, saving costs and ensuring proper upkeep. Manual Utility User Benefit: Empowers owners with knowledge to understand their motorcycle, make informed repair decisions, communicate effectively with mechanics, and perform preemptive maintenance. 📋 Manual Details Coverage Areas Primary Coverage: Full Factory Service Repair Manual Supported Styles: All Styles Covered Page Count Estimated Page Count: Hundreds of pages (exact count not specified, but indicated as comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine top end, Fuel system, Cooling system, Engine lubrication system, Clutch, Crankshaft/Transmission Chassis And Running Gear: Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame Electrical And Electronic: Electrical System, Wiring Diagrams Procedures Included Diagnostic Procedures: Engine fault symptom diagnosis, Troubleshooting guide, Part testing techniques Repair And Maintenance: Step-by-step repair procedures, General maintenance, Engine management system analysis, Common fixes Installation And Removal: Engine Removal/Installation Technical Depth Depth: Complete, detailed, covering fundamentals to advanced diagnostics and repair, mirroring factory technician knowledge. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows and Mac OS Print Quality Printability: Printable without restriction; individual pages or entire manual Binding Type Binding: N/A (Digital Download, user prints and binds) Paper Type Paper: N/A (Digital Download, user selects paper type) Software Requirements Reader: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Family: Yamaha's 4-stroke, SOHC, 4-valve (typically) liquid-cooled engine. Engine Displacement: 135cc Bore X Stroke: Typically around 52mm x 60.2mm (specifics may vary slightly by exact sub-model/market, manual will detail). Compression Ratio: Typically around 10.4:1 or similar (exact ratio in manual). Performance Horsepower Output: Estimated 10-12 HP at around 8,000 RPM (specific output documented in manual). Torque Output: Estimated 9-10 Nm at around 6,500 RPM (specific output documented in manual). Fuel System Fuel Delivery: Carbureted (e.g., Mikuni VM24 or similar), or Fuel Injection (FI) on later models/specific variants. Manual will specify for the covered range. Fuel Type: Unleaded gasoline Cooling System Cooling Method: Liquid-cooled Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Type: Rotary transmission (e.g., 4-speed or 5-speed rotary shifter) Clutch Type: Wet, multi-plate clutch Features Transmission Operation: Manual shifting via foot lever, offering selectable gears in a sequential pattern. Fluid Specification Transmission Oil Type: Yamaha recommends Yamalube 4 (or equivalent API SG, JASO MA) SAE 10W-40 or 20W-40 motorcycle oil. Manual will provide exact specifications. Fluid Capacity Transmission Oil Capacity: Approximately 1.5 - 1.8 Liters (check manual for exact capacity and fill procedure). 📐 Dimensions Exterior Length: Varies slightly by model year, but generally around 1900-1950 mm. Width: Varies slightly by model year, but generally around 670-700 mm. Height: Varies slightly by model year, but generally around 1030-1050 mm. Weights Dry Weight: Approximately 100-106 kg (specific to model variant, consult manual). Fuel Tank Capacity: Approximately 4.0 - 4.5 Liters. 🛡️ Safety Features Ratings Safety Standards: Compliant with relevant national and international motorcycle safety standards for its production era. Manual will highlight specific safety-related checks. Active Features Braking System: Front: Disc brake. Rear: Disc brake. Manual covers brake system inspection, fluid replacement, and component servicing. Passive Features Lighting System: Headlight, taillight, turn signals, brake lights. Manual details electrical system diagnostics for lighting. 💡 Technology Features Infotainment Instrumentation: Analog or digital/analog combination speedometer, tachometer, fuel gauge, odometer, and indicator lights. Manual details function and troubleshooting. Driver Assistance Assistance Systems: N/A (Typical for this class and era of motorcycle; focus is on mechanical and electrical systems). Connectivity Connectivity Features: N/A (None typical for this motorcycle segment). Engine Management Ems Details: Covers CDI ignition timing, fuel mixture control (carburetor adjustment or EFI parameters), and sensor inputs. Manual provides detailed analysis and troubleshooting of these systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-4,000 km or 6 months, whichever comes first. Manual will provide exact intervals and oil type. Spark Plug Replacement: Recommended every 10,000-12,000 km. Manual will specify the correct spark plug type and gap. Air Filter Cleaning Or Replacement: Inspect every 4,000 km, clean or replace as needed. Manual will detail the procedure. Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze coolant (e.g., Yamaha Super Coolant or equivalent). Manual will specify mixture ratio and capacity. Brake Fluid Type: DOT 4 recommended for hydraulic brake systems. Manual...