Segment:
Performance-oriented 100cc scooter.
Target Audience:
Enthusiasts and owners seeking detailed maintenance and repair guidance for their Yamaha Aerox 100.
Competitors:
Competed with other 100cc performance scooters of its era, offering a sporty chassis and engine configuration.
Sporty Design:
Aggressive styling, inspired by larger sportbikes.
Engine Type:
2-stroke, single-cylinder, liquid-cooled (some versions).
Handling:
Renowned for its agile and sporty handling characteristics, often featuring robust suspension components.
Completeness:
Comprehensive, covering all aspects of repair, maintenance, and troubleshooting.
Usability:
Structured with a clear table of contents for easy navigation.
Engine:
Full Engine Overhaul, Performance Tuning, Fuel System, Ignition System, Cooling System, Lubrication System
Transmission:
Automatic CVT (Continuously Variable Transmission) Maintenance and Repair, Clutch System, Drive Belt, Torque Converter
Chassis And Frame:
Frame Inspection and Repair, Front Fork Suspension, Rear Shock Absorber, Steering System, Wheel Bearings
Brakes:
Front and Rear Brake System Service (Disc/Drum), Brake Fluid Replacement, Hydraulic System Troubleshooting
Electrical System:
Battery, Starting System, Charging System (Stator, Regulator/Rectifier), Lighting System, Wiring Diagrams, Ignition Switch, CDI Unit
Bodywork:
Fairing Removal and Installation, Seat, Storage Compartment, Body Panel Fasteners
Wheels And Tires:
Tire Maintenance, Wheel Balance, Tire Pressure Specifications
Troubleshooting:
Common Problems, Diagnostic Procedures, Fault Code Interpretation (where applicable)
Specifications:
All Technical Specifications, Torque Values, Clearances, Fluid Capacities
Pages:
Hundreds of Pages (Specific count not provided in product info, but implied as extensive)
Type:
Service Repair Manual
Language:
English (Implied for standard service manuals)
Engine Mechanical:
Complete engine rebuild procedures, piston, cylinder, crankshaft, camshaft (if applicable for 2-stroke), valve timing (if applicable), compression testing.
Fuel And Emission:
Carburetor specifications, adjustment, cleaning, fuel line routing, fuel filter replacement, emission control system components.
Ignition And Electrical:
Spark plug specifications, ignition timing, CDI unit testing, stator winding resistance, regulator/rectifier function, battery testing and charging, lighting system diagnostics, starter motor checks.
Transmission And Drivetrain:
CVT belt inspection and replacement, variator assembly maintenance, clutch shoe replacement, torque converter function, final drive lubrication.
Suspension And Steering:
Front fork oil level and replacement, seal inspection, rear shock absorber function, steering bearing adjustment and lubrication.
Braking System:
Brake pad/shoe replacement, brake disc/drum inspection, hydraulic fluid flush and bleed, master cylinder and caliper/wheel cylinder service.
Cooling System:
Coolant specifications, radiator inspection, hose replacement, thermostat function (if applicable for liquid-cooled models - AEROX 100 is typically air-cooled).
Body And Fairings:
Detailed instructions for removing and refitting all body panels, seat, and storage components.
Routine Maintenance:
Oil changes, spark plug replacement, air filter cleaning/replacement, CVT belt inspection, brake system checks, tire pressure adjustments.
Component Overhaul:
Complete engine teardown, rebuild, and reassembly. Transmission component servicing.
Diagnostic Procedures:
Step-by-step guides for identifying and resolving common mechanical and electrical issues.
Calibration And Adjustment:
Carburetor idle speed and mixture adjustments, brake lever free play adjustment, steering head bearing adjustment.
Lubrication And Fluid Service:
Engine oil type and capacity, transmission oil (if applicable), gear oil specifications, brake fluid specifications, grease points.
Wiring Diagrams:
Comprehensive electrical system wiring schematics for troubleshooting.
Depth:
Comprehensive: Covers everything from basic maintenance to complete engine and component rebuilds, including detailed diagnostic procedures and specifications.
Engine Type:
2-stroke, single-cylinder
Cooling System:
Liquid-cooled (Note: some earlier or regional variants might be air-cooled, but the YQ100 is predominantly liquid-cooled)
Bore X Stroke:
52.0 mm x 45.6 mm (Typical for YQ100)
Compression Ratio:
7.2:1 (Typical for YQ100)
Power Output:
Approx. 8.0 - 9.0 HP at around 7000-7500 RPM (Specific figures vary by region and tuning)
Torque:
Approx. 8.0 - 9.0 Nm at around 6500-7000 RPM (Specific figures vary)
Fuel Delivery:
Carburetor (Mikuni VM20-340 or similar)
Fuel Type:
Unleaded Gasoline, Minimum 90 Octane
Oil Mixing:
Premix (Oil injection system)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Spark Plug Type:
NGK CR7E or equivalent
Crash Test Data:
N/A (Scooters typically do not undergo standardized crash testing like automobiles)
Braking System:
Front: Disc Brake; Rear: Drum Brake (Standard configuration). ABS was not commonly available on this model.
Lighting:
Headlight, Taillight, Brake Lights, Turn Signals
Chassis Stability:
Designed for stable handling with a well-engineered suspension system.
Engine Oil Change:
Every 3,000 km or 6 months (Refer to manual for specific 2-stroke oil type and replacement).
Air Filter Cleaning:
Every 3,000 km, replace as needed.
Spark Plug Replacement:
Every 6,000 km or as recommended.
Cvt Belt Inspection:
Every 6,000 km, replace if worn or damaged.
Brake Fluid Flush:
Every 2 years or as recommended.
Engine Oil:
Yamaha 2-Stroke Oil or API TC/JASO FD certified 2-stroke oil.
Transmission Oil:
Yamalube Gear Oil or SAE 80 API GL-4.
Brake Fluid:
DOT 4 (Refer to manual for specific requirements).
Common Problems:
CVT belt wear, carburetor jetting issues (especially with age/wear), cooling system leaks (if liquid-cooled), electrical connection corrosion.
Heritage:
Yamaha Motor Company has a long history of producing innovative and high-performance motorcycles and scooters.
Aerox Lineage:
The Aerox line has a reputation for sporty styling and performance, with various engine displacements offered over the years. The YQ100 is a significant iteration in this lineage.
Manufacturing Locations:
Primarily manufactured in Yamaha's global production facilities (specifics may vary).
Market Release:
Introduced to various global markets around the turn of the millennium.
