SYM SANYANG MIO 50 MIO 100 Service Repair Manual

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🏷️ Basic Information Identification Make: SYM (Sanyang Motor Co., Ltd.) Model: Mio Model Variant: Mio 50 / Mio 100 Codes Product Code: SYM-MIO-50-100-SM 👋 Introduction Market Position Segment: Lightweight scooter,...

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Type: Motorcycle

Vendor:

Sku: 29701

Tags: Mio Motorcycle Motorcycles SANYANG MIO 100 SANYANG MIO 50 Sym

Product variants

Description

🏷️ Basic Information

Identification

Make:

SYM (Sanyang Motor Co., Ltd.)

Model:

Model Variant:

Mio 50 / Mio 100

Codes

Product Code:

SYM-MIO-50-100-SM

👋 Introduction

Market Position

Segment:

Lightweight scooter, primarily for urban commuting and short-distance travel.

Target Audience:

Commuters, students, riders seeking an economical and maneuverable two-wheeler.

Competitive Analysis

Competitors:

Competes with other 50cc and 100cc scooters from brands like Honda (Dio, Zoomer), Yamaha (Jog, Vino), Kymco, and PGO.

Key Features

Design:

Retro-modern styling, compact and lightweight chassis for agility.

Engine Options:

Available in 50cc and 100cc engine variants, offering different power and performance levels.

Practicality:

Low seat height, under-seat storage, user-friendly controls.

📋 Manual Details

Coverage Areas

Models Covered:

SYM Mio 50, SYM Mio 100

Applicable Years:

Covers multiple model years for Mio 50 and Mio 100 (specific years depend on the manual edition, but generally includes models from its introduction up to recent iterations).

Page Count

Page Count:

Hundreds of pages (specific count varies, but implies comprehensive coverage)

Manual Type

Manual Type:

Service Repair Manual

Language

Language:

English (implied by product description)

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Detailed engine overhaul, diagnosis, performance tuning, fuel injection/carburetor systems, ignition, cooling, lubrication, starting, and charging systems.

Transmission:

Automatic transmission (CVT) system, including variator, clutch, and final drive overhaul and maintenance.

Brakes:

Front and rear brake system inspection, servicing, caliper overhaul, fluid replacement, and component diagnosis.

Electrical:

Complete electrical system schematics, wiring diagrams, component testing, battery, lighting, ignition, and accessory systems.

Chassis:

Frame, suspension (front fork, rear shock absorber), steering system, wheels, and tires.

Bodywork:

Body panel removal and installation, fairings, seat, storage compartments, and cosmetic components.

Fuel System:

Fuel tank, fuel pump (if applicable), fuel lines, carburetor or fuel injection unit maintenance and adjustment.

Procedures Included

Maintenance:

Routine maintenance procedures, service intervals, oil changes, filter replacements, spark plug checks, belt tensioning, and brake adjustments.

Troubleshooting:

Step-by-step diagnostic procedures for common and complex issues, fault code interpretation, and problem resolution guides.

Repair:

Detailed repair instructions for all major and minor components, including engine rebuild, transmission overhaul, electrical component replacement, and chassis repairs.

Rebuilding:

Comprehensive instructions for rebuilding engine assemblies, transmissions, and other key mechanical components.

Refurbishment:

Guidance on restoring worn or damaged components and systems to optimal working condition.

Restoration:

Information potentially useful for restoring older models, focusing on maintaining original specifications and functionality.

Torque Specifications:

Precise torque values for all critical fasteners and bolts across all vehicle systems.

Special Tools:

Identification and usage instructions for specialized tools required for specific maintenance and repair procedures.

Technical Depth

Depth:

Comprehensive, covering from basic maintenance checks to complete engine and transmission rebuilds.

📊 Manual Specifications

File Format

File Type:

Searchable Text:

Likely searchable text (standard for good quality PDFs), allowing for quick information retrieval.

Print Quality

Resolution:

High-resolution scans/digital creation ensuring clarity of text and diagrams.

Binding Type

Binding:

N/A (Digital PDF download)

Paper Type

Paper Type:

N/A (Digital PDF download)

⚙️ Engine Specifications

Primary Engine

Mfr Code 50Cc:

e.g., SA10A (specific internal SYM code, check manual for exact)

Mfr Code 100Cc:

e.g., SA20A (specific internal SYM code, check manual for exact)

Type 50Cc:

Air-cooled, 4-stroke, SOHC (Single Overhead Camshaft), 2-valve, single-cylinder

Type 100Cc:

Air-cooled, 4-stroke, SOHC (Single Overhead Camshaft), 2-valve, single-cylinder

Displacement 50Cc:

Approximately 49.4 cc

Displacement 100Cc:

Approximately 98.1 cc

Performance

Bore Stroke 50Cc:

e.g., 39.0mm x 41.4mm (check manual for exact)

Bore Stroke 100Cc:

e.g., 50.0mm x 49.5mm (check manual for exact)

Compression Ratio 50Cc:

e.g., 10.5:1 (check manual for exact)

Compression Ratio 100Cc:

e.g., 10.5:1 (check manual for exact)

Max Power 50Cc:

Typically around 3-4 HP (check manual for exact figures specific to year/emission standards)

Max Power 100Cc:

Typically around 6-8 HP (check manual for exact figures specific to year/emission standards)

Fuel System

Fuel Delivery 50Cc:

Carburetor (e.g., Keihin PD22 or similar, check manual for exact)

Fuel Delivery 100Cc:

Carburetor or EFI (Electronic Fuel Injection) depending on model year and market (check manual for exact)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

Approximately 4.6 Liters (check manual for exact)

🔧 Transmission

Standard

Type:

Automatic Continuously Variable Transmission (CVT)

Features

Drive System:

V-belt driven automatic transmission

Final Drive:

Gear drive

📐 Dimensions

Exterior

Length:

Approx. 1715 mm (check manual for exact)

Width:

Approx. 690 mm (check manual for exact)

Height:

Approx. 1050 mm (check manual for exact)

Wheelbase:

Approx. 1240 mm (check manual for exact)

Weights

Dry Weight 50Cc:

Approx. 85 kg (check manual for exact)

Dry Weight 100Cc:

Approx. 90 kg (check manual for exact)

Payload Capacity:

Typically rider + passenger, within Gross Vehicle Weight Rating (GVWR) specified in manual.

Wheels Tires

Front Tire Size:

e.g., 100/90-10 (check manual for exact)

Rear Tire Size:

e.g., 110/90-10 (check manual for exact)

Wheel Type:

Cast aluminum alloy

🛡️ Safety Features

Ratings

Crash Test Results:

N/A for scooters in the same manner as automobiles; safety relies on rider skill and vehicle handling characteristics.

Active Features

Braking System:

Disc brake front, drum brake rear (common configuration, verify with manual).

Lighting:

Halogen headlight, LED tail light and brake lights (depending on model year), turn signals.

Passive Features

Frame Construction:

Underbone steel frame for rigidity and maneuverability.

Suspension Design:

Telescopic front fork, unit swing rear suspension.

💡 Technology Features

Infotainment

Dashboard Features:

Analog speedometer, fuel gauge, indicator lights (turn signals, high beam, oil warning, etc.). Modern versions may include a small LCD display.

Driver Assistance

Anti-lock Braking System (ABS) is typically not standard on 50cc models and may be optional or not available on all 100cc models, depending on market and year.

Connectivity

Charging Port:

Some later models may feature a 12V power outlet or USB charging port in the glove compartment or under the seat.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000 km or 6 months (check manual for exact, often depends on operating conditions).

Air Filter Inspection:

Inspect every 3,000 km, clean/replace as needed (check manual).

Spark Plug Replacement:

Recommended replacement every 10,000-15,000 km or inspect at 5,000 km (check manual for specific plug type and gap).

Cv Belt Inspection:

Inspect for wear at 6,000 km, replace as needed (check manual for recommended interval).

Brake Fluid Change:

Recommended every 2 years or as per manual's mileage interval.

Fluid Specifications

Engine Oil Type:

SAE 10W-40 API SG or higher (check manual for exact viscosity and API rating).

Engine Oil Capacity:

Approximately 0.8 - 1.0 Liters (check manual for exact, including filter change if applicable).

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for specific recommendation).

Final Drive Oil Type:

SAE 80W-90 GL-4 hypoid gear oil (check manual for exact).

Final Drive Oil Capacity:

Approximately 100-120 ml (check manual for exact).

Known Issues

Common Wear Items:

CV belt, brake pads, tires, suspension bushings, and spark plugs are common wear items requiring periodic replacement.

Carburetor Cleaning:

Carburetors on older models may require periodic cleaning and adjustment due to ethanol in fuel or infrequent use.

Electrical Connections:

Corrosion or loose connections in the electrical system can lead to intermittent faults, especially in humid climates.

📚 Vehicle History

Brand Heritage

Company Origin:

SYM (Sanyang Motor Co., Ltd.) is a Taiwanese manufacturer founded in 1954, known for motorcycles, scooters, and engines.

Model Evolution

Mio Introduction:

The SYM Mio was introduced as a stylish, retro-inspired scooter, targeting a younger demographic and urban commuters.

Engine Updates:

Over its production run, the Mio has seen engine updates to comply with various emission standards (e.g., Euro 3, Euro 4) and potential introduction of fuel injection on later 100cc models.

Production

Manufacturing Locations:

Primarily manufactured in Taiwan by SYM.

🏆 Awards & Recognition

Recognitions

Market Reception:

Generally well-received for its styling, ease of use, and value for money in its segment.