Make:
        
        
            SYM (Sanyang Motor)
        
     
    
    
        
            Model Variants Covered:
        
        
            Mio 50, Mio 100
        
     
    
    
    
        
            Engine Code Mio 50:
        
        
            Likely a 4-stroke, air-cooled, single-cylinder engine (specific code varies by production year, e.g., F33)
        
     
    
        
            Engine Code Mio 100:
        
        
            Likely a 4-stroke, air-cooled, single-cylinder engine (specific code varies by production year, e.g., F37)
        
     
 
    
    
    
        
            Target Audience:
        
        
            Professional SYM dealership technicians, independent motorcycle repair shops, and experienced DIY enthusiasts.
        
     
    
    
        
            Manual Value Proposition:
        
        
            Provides factory-level accuracy and detail, equivalent to what authorized SYM service centers use, ensuring correct and efficient repairs. Offers a significant cost saving over dealership service fees.
        
     
    
    
        
            Diagrams Illustrations:
        
        
            Includes detailed step-by-step diagrams and illustrations for virtually every procedure.
        
     
    
        
            Technical Data Accuracy:
        
        
            Factory-sourced data ensures precision in specifications like torque settings, fluid capacities, and wear limits.
        
     
    
        
            Compatibility:
        
        
            Windows and MAC compatible PDF format for broad accessibility.
        
     
 
    
    
    
        
            General Coverage:
        
        
            All aspects of workshop service, repair, diagnostics, and maintenance for SYM Mio 50 and Mio 100 scooters.
        
     
    
        
            Specific Systems Covered:
        
        
            Engine, Transmission (CVT), Fuel System (EFI/Carburetor depending on year), Electrical System (including ignition and lighting), Cooling System (Air), Braking System (Front Disc/Rear Drum typical), Suspension (Front Telescopic Fork/Rear Mono-shock), Chassis and Frame, Bodywork and Panels, Wheels and Tires, Lubrication System.
        
     
    
    
        
            Estimated Page Count:
        
        
            Hundreds of pages (specific count varies, but typical professional workshop manuals are extensive).
        
     
    
    
        
            Manual Classification:
        
        
            Workshop Repair Manual / Service Manual
        
     
    
    
        
            Language:
        
        
            English (typical for officially distributed manuals, may contain localized sections or diagrams)
        
     
    
    
 
    
    
    
        
            Engine Mechanical:
        
        
            Detailed engine overhaul procedures, piston and cylinder inspection, valve clearance adjustment, crankshaft and connecting rod checks, gasket replacement, sealing.
        
     
    
        
            Fuel System:
        
        
            Carburetor cleaning, adjustment, and rebuilding (for older models); Fuel injection system diagnostics, injector testing, fuel pump checks (for newer models).
        
     
    
        
            Transmission Drivetrain:
        
        
            Continuously Variable Transmission (CVT) inspection, variator roller and clutch assembly maintenance, belt replacement, gear oil change (if applicable).
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams for all circuits, starter system, charging system (stator, regulator/rectifier), ignition system (CDI, spark plug), lighting circuits, horn, battery maintenance and testing.
        
     
    
        
            Brakes:
        
        
            Brake pad replacement, brake fluid flush and bleed, caliper inspection and service, master cylinder checks, brake line condition.
        
     
    
        
            Suspension Steering:
        
        
            Front fork oil change and seal replacement, rear shock absorber inspection and replacement, steering bearing adjustment and replacement, handle bar alignment.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil and filter changes, air filter replacement, spark plug replacement, drive belt inspection, brake checks, tire pressure and condition.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common starting issues, performance problems, electrical faults, and system malfunctions, often with symptom-based guides.
        
     
    
        
            Repair Rebuild:
        
        
            Step-by-step instructions for engine rebuilds, transmission servicing, electrical component replacement, body panel repair and replacement, and more.
        
     
    
        
            Technical Data Tables:
        
        
            Torque specifications for all fasteners, fluid capacities, component dimensions, wear limits, and adjustment specifications.
        
     
    
    
        
            Depth Of Information:
        
        
            Comprehensive, covering basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics and troubleshooting.
        
     
 
    
    
    
        
            File Type:
        
        
            Adobe Acrobat PDF
        
     
    
        
            Searchability:
        
        
            Typically fully searchable text within the PDF document.
        
     
    
    
        
            Print Readability:
        
        
            High resolution, designed for clear viewing and printing of text and diagrams.
        
     
    
    
        
            Binding Method For Physical Manuals:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Paper Quality For Physical Manuals:
        
        
            N/A (Digital Download)
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, air-cooled, SOHC, single-cylinder
        
     
    
        
            Displacement:
        
        
            Approximately 49.4 cc (exact value may vary slightly by production year)
        
     
    
        
            Bore X Stroke:
        
        
            Specifics vary, but typically around 39.0 mm x 41.4 mm (check specific model year in manual).
        
     
    
        
            Compression Ratio:
        
        
            Typically around 10.5:1 (check specific model year in manual).
        
     
    
    
        
            Engine Type:
        
        
            Four-stroke, air-cooled, SOHC, single-cylinder
        
     
    
        
            Displacement:
        
        
            Approximately 98.5 cc (exact value may vary slightly by production year)
        
     
    
        
            Bore X Stroke:
        
        
            Specifics vary, but typically around 50.0 mm x 49.5 mm (check specific model year in manual).
        
     
    
        
            Compression Ratio:
        
        
            Typically around 9.7:1 (check specific model year in manual).
        
     
    
    
        
            Horsepower Mio 50:
        
        
            Typically in the 3-4 HP range (check specific model year for exact figures).
        
     
    
        
            Horsepower Mio 100:
        
        
            Typically in the 6-7 HP range (check specific model year for exact figures).
        
     
    
    
        
            Fuel Delivery Mio 50:
        
        
            Primarily Carburetor on earlier models; potential for Fuel Injection on later models. Manual will cover specific system.
        
     
    
        
            Fuel Delivery Mio 100:
        
        
            Primarily Fuel Injection (EFI) on most models, but earlier versions may have had carburetors. Manual will cover specific system.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Automatic CVT (Continuously Variable Transmission) with dry centrifugal clutch.
        
     
    
    
        
            Transmission Options:
        
        
            N/A (CVT is standard for these models)
        
     
    
    
        
            Drive Belt Maintenance:
        
        
            Manual covers inspection, adjustment, and replacement of the drive belt and associated components (e.g., variator, clutch shoes).
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 1,700 mm - 1,800 mm (varies by model year and specific Mio variant, check manual for exact dimensions).
        
     
    
        
            Width:
        
        
            Approx. 670 mm - 700 mm (check manual for exact dimensions).
        
     
    
        
            Height:
        
        
            Approx. 1,030 mm - 1,060 mm (check manual for exact dimensions).
        
     
    
    
        
            Dry Weight Mio 50:
        
        
            Approx. 80 kg - 85 kg (check manual for specific model).
        
     
    
        
            Dry Weight Mio 100:
        
        
            Approx. 85 kg - 90 kg (check manual for specific model).
        
     
    
        
            Fuel Tank Capacity:
        
        
            Typically around 5.0 - 5.5 liters (check manual for specific model).
        
     
 
    
    
    
        
            Crash Test Data:
        
        
            Not typically subject to extensive automotive crash testing standards; focus is on maneuverability and basic safety features.
        
     
    
    
        
            Braking System:
        
        
            Front disc brake and rear drum brake are standard configurations for most model years. Manual details inspection and maintenance.
        
     
    
        
            Lighting System:
        
        
            Headlight, taillight, brake light, and turn signals are critical for visibility. Manual covers electrical diagnosis and bulb replacement.
        
     
    
    
        
            Chassis Integrity:
        
        
            Manual provides guidance on frame inspection and potential repairs to ensure structural integrity.
        
     
 
    
    
    
        
            Dashboard Features:
        
        
            Analog or digital speedometer, odometer, fuel gauge, indicator lights (turn signals, high beam, engine check light). Manual explains functionality.
        
     
    
    
        
            ABS Availability:
        
        
            ABS is generally not a standard feature on lower-displacement Mio models, but may be available on certain regional variants or later models. Manual will confirm.
        
     
    
    
        
            Keyless Ignition:
        
        
            Some higher trim levels or later models might feature keyless ignition systems. Manual will detail operation and maintenance if applicable.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 3,000 km or 6 months, whichever comes first (refer to manual for exact interval and oil type).
        
     
    
        
            Drive Belt Inspection Replacement:
        
        
            Inspection recommended every 6,000 km, replacement typically around 18,000 - 24,000 km or as wear dictates (refer to manual).
        
     
    
        
            Air Filter Replacement:
        
        
            Typically every 6,000 km or as needed based on riding conditions (refer to manual).
        
     
    
        
            Spark Plug Replacement:
        
        
            Typically every 6,000 - 12,000 km depending on spark plug type (refer to manual).
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 10W-40 API SJ or higher (for most models, verify in manual for specific viscosity and API rating).
        
     
    
        
            Engine Oil Capacity:
        
        
            Approximately 0.8 - 0.9 liters for Mio 50, 0.9 - 1.0 liters for Mio 100 (refer to manual for exact capacity).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid (verify in manual).
        
     
    
        
            Gear Oil Type:
        
        
            Specific gear oil (e.g., SAE 80W-90 API GL-4) for the final drive unit (refer to manual).
        
     
    
    
        
            Common Wear Items:
        
        
            Drive belt, variator rollers, clutch shoes, brake pads, tires, and suspension components are typical wear items. Manual details inspection and replacement.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion or loose connections in wiring harnesses can sometimes cause intermittent electrical issues. Manual's wiring diagrams are crucial for diagnosis.
        
     
 
    
    
    
        
            Manufacturer:
        
        
            Sanyang Motor Co., Ltd. (SYM) is a Taiwanese company founded in 1954, known for producing scooters, motorcycles, and mobility scooters.
        
     
    
    
        
            Sym Mio Introduction:
        
        
            The SYM Mio was introduced to offer a stylish and user-friendly urban scooter. It has seen updates in styling, engine technology (transitioning to fuel injection), and emissions compliance over its production run.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily manufactured in Taiwan by SYM.