Market Position:
The Yamaha Spark 135 is a popular underbone motorcycle known for its reliability, fuel efficiency, and sporty performance, particularly in Asian markets. It serves as an everyday commuter and a capable light sport bike.
Competitors:
Honda Wave 125, Suzuki Raider 150, Modenas Kriss 120.
Key Features:
Liquid-cooled engine, underbone chassis, agile handling, durable construction, automatic clutch (on many variants), sporty styling.
Years Covered:
2005, 2006, 2007, 2008, 2009, 2010
Manual Type:
Workshop Repair Service Manual
Language:
English (assumed based on common industry practice for downloadable manuals)
Format:
PDF (Downloadable)
Engine System:
Complete engine overhaul, tuning, diagnostics, cooling system, lubrication system.
Transmission System:
Clutch operation, gear shifting mechanisms, internal transmission component inspection and repair.
Electrical System:
Ignition system, lighting, charging system (stator, regulator/rectifier), battery, starting system, wiring diagrams, fault diagnosis.
Suspension System:
Front fork (telescopic), rear shock absorber(s), swingarm inspection and maintenance.
Brake System:
Front and rear brake system inspection, maintenance, repair (drum and/or disc brakes depending on sub-model), hydraulic system (if applicable).
Fuel System:
Carburetor inspection, cleaning, adjustment, fuel tank, fuel lines.
Chassis And Bodywork:
Frame inspection, body panel removal and installation, seating, fairings, fenders.
Wheels And Tires:
Wheel bearing maintenance, tire inspection and replacement, spoke tension (if applicable).
Maintenance:
Routine maintenance checks, lubrication, filter replacement, spark plug replacement, valve clearance adjustment.
Repair:
Component-level repair and replacement for all major systems.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common issues.
Rebuild:
Detailed procedures for engine and transmission rebuilds.
Wiring Diagrams:
Comprehensive electrical system wiring schematics.
Depth:
Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds. Assumes intermediate mechanical knowledge.
Engine Type:
4-stroke, SOHC, 4-valve, Liquid-cooled
Bore X Stroke:
Approx. 52.0 x 60.5 mm (verify specific sub-model)
Horsepower:
Approx. 11-12 PS (varies slightly by sub-model and tuning)
Torque:
Approx. 10-11 Nm (varies slightly by sub-model and tuning)
Fuel Delivery:
Carburetor (e.g., Mikuni VM24 or similar, specific model may vary)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Liquid Cooling
Safety Ratings:
N/A (Motorcycle safety is typically assessed differently than cars, focusing on rider protection and handling dynamics).
Active Safety Features:
Responsive braking system (disc front, drum/disc rear depending on variant), agile chassis for evasive maneuvers.
Passive Safety Features:
Robust frame construction, durable body panels.
Infotainment System:
N/A (Basic motorcycle with analog instrumentation).
Driver Assistance Features:
N/A
Connectivity Options:
N/A
Instrumentation:
Analog speedometer, tachometer, fuel gauge, engine temperature gauge, turn signal indicators, high beam indicator.
Oil Change Interval:
Every 3,000 - 5,000 km or 6 months, whichever comes first (refer to manual for precise recommendation).
Spark Plug Replacement:
Every 10,000 - 15,000 km.
Air Filter Cleaning Replacement:
Clean every 5,000 km, replace as needed or every 10,000 km.
Valve Clearance Adjustment:
Every 10,000 - 15,000 km.
Engine Oil Type:
SAE 10W-40 API SG or higher (recommend semi-synthetic or fully synthetic for best performance and protection).
Engine Oil Capacity:
Approx. 1.0 - 1.2 liters (dry fill), 0.9 - 1.1 liters (oil change only) - verify with dipstick/level check.
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio) - refer to manual for specific Yamaha coolant recommendation.
Brake Fluid Type:
DOT 3 or DOT 4 (if disc brakes are equipped) - verify with manual.
Known Issues:
Carburetor jetting can be sensitive to altitude and modifications. Occasional electrical connector corrosion in humid climates. Normal wear and tear on clutch plates and suspension components over high mileage.
Brand Heritage:
Yamaha has a long-standing reputation for building reliable and performance-oriented motorcycles, dating back to its inception. The Spark 135 builds upon this legacy.
Model Evolution:
The Spark 135 (LC135) was introduced as a premium underbone model, offering advanced features like liquid cooling and a more powerful engine compared to its air-cooled predecessors and competitors. It has seen several minor updates and sub-model variations (SE, SX, ES, GT) during its production run.
Production Region:
Primarily manufactured in Southeast Asia (e.g., Malaysia, Indonesia).
