Segment:
Lightweight scooter segment, popular for urban commuting and general mobility.
Competitors:
Competes with models like the Honda Dio, Yamaha Jog, Kymco Agility 50, and other 50cc scooters from various manufacturers.
Vehicle Highlights:
Fuel efficiency, compact size, ease of operation, modern styling, Euro 5 emissions compliance.
Benefit To Owner:
Enables owners to perform their own maintenance and repairs, saving on labor costs, understanding their vehicle better, and ensuring optimal performance and longevity.
Powertrain:
Engine disassembly, assembly, tuning, lubrication, cooling system, fuel system (carburetor/injection), exhaust system, emissions control.
Transmission:
Automatic CVT transmission, drive belt, clutch, variator, gearbox lubrication and inspection.
Chassis And Suspension:
Frame inspection, front forks, rear shock absorbers, swingarm, bearings, wheel alignment.
Brakes:
Hydraulic disc brakes (front and rear), brake pad replacement, brake fluid flush, caliper maintenance, lever and pedal adjustments.
Electrical System:
Battery, starter motor, charging system (stator, rectifier/regulator), ignition system (CDI, spark plug), lighting system (headlights, taillights, turn signals), horn, wiring diagrams.
Fuel System:
Fuel tank, fuel lines, fuel filter, carburetor (or fuel injection system depending on exact model variant), choke operation.
Bodywork And Trim:
Panel removal and installation, seat, handlebars, fairings, storage compartments.
Routine Maintenance:
Oil changes, filter replacements (air, oil, fuel), spark plug service, tire pressure checks, brake adjustments, chain lubrication (if applicable), fluid level checks.
Troubleshooting:
Diagnostic procedures for common starting issues, running problems, electrical faults, and performance anomalies.
Major Repairs:
Engine rebuilds, transmission overhaul, suspension component replacement, electrical system diagnostics and repair.
Technical Data:
Torque specifications, fluid capacities, valve clearances (if adjustable), gear ratios, electrical resistance values.
Diagrams And Illustrations:
Step-by-step illustrated procedures, exploded views of components, detailed wiring diagrams.
Depth:
Professional-level, suitable for dealership technicians and experienced DIY mechanics. Covers everything from basic adjustments to complete engine rebuilds.
Type:
4-stroke, air-cooled, single-cylinder, SOHC
Displacement:
Approximately 49.4cc (specific variant may differ slightly)
Bore X Stroke:
Typically around 39.5mm x 40.1mm (verify for specific model year)
Compression Ratio:
Typically around 11.0:1 to 12.0:1 (verify for specific model year)
Horsepower:
Around 3.0 - 3.5 HP (at specified RPM, highly dependent on market regulations and tuning)
Torque:
Around 3.0 - 3.5 Nm (at specified RPM, highly dependent on market regulations and tuning)
Type:
Electronic Fuel Injection (EFI) for Euro 5 compliance, or Carburetor on older/specific market variants.
Fuel Grade:
Unleaded gasoline (e.g., 91 RON or higher)
Oil Type:
4-stroke scooter specific motorcycle oil, typically SAE 10W-40, API SG or higher, JASO MB certified.
Oil Capacity:
Approximately 0.8 - 1.0 liters (check dipstick or manual for precise amount).
Spark Plug Type:
NGK CR6HSA or equivalent (verify for specific model year)
Type:
Automatic Continuously Variable Transmission (CVT)
Options:
N/A (CVT is standard for this model)
Drive Belt:
V-belt drive system with automatic centrifugal clutch and variator.
Gear Reduction:
Integrated gear reduction unit for final drive.
Transmission Fluid:
Gear oil for final drive, typically SAE 80W-90 GL-4 (check manual for specific type and capacity).
Length:
Approximately 1790 mm (varies slightly by year/market)
Width:
Approximately 690 mm (varies slightly by year/market)
Height:
Approximately 1135 mm (varies slightly by year/market)
Wheelbase:
Approximately 1260 mm (varies slightly by year/market)
Dry Weight:
Approximately 95-100 kg (varies slightly by year/market)
Gross Vehicle Weight Rating:
Typically around 250-270 kg (including rider and cargo)
Under Seat Storage:
Standard under-seat storage compartment suitable for a helmet or groceries.
Front Tire Size:
Typically 110/70-12 or 120/70-12
Rear Tire Size:
Typically 120/70-12
Crash Test Results:
N/A (Scooters typically do not undergo the same rigorous crash testing as cars; safety focus is on maneuverability and braking)
Braking System:
Hydraulic disc brake front, hydraulic disc or drum brake rear (verify specific market specification).
Lighting:
Halogen or LED headlights, taillights, and turn signals for visibility.
Frame Construction:
Steel frame providing structural integrity.
Engine Oil Change:
Every 2,000-3,000 km or annually (whichever comes first).
Air Filter Cleaning Replacement:
Clean every 2,000 km, replace every 4,000-6,000 km.
Spark Plug Replacement:
Inspect every 4,000 km, replace every 8,000-12,000 km (or as recommended).
Cvt Belt Inspection Replacement:
Inspect every 4,000 km, replace every 8,000-10,000 km (or when worn).
Brake Pad Inspection:
Inspect every 2,000 km, replace as needed based on wear.
Engine Oil Spec:
SAE 10W-40, API SG or higher, JASO MB.
Brake Fluid Spec:
DOT 3 or DOT 4 hydraulic brake fluid (verify for specific model).
Gear Oil Spec:
SAE 80W-90 GL-4.
Common Wear Items:
CVT drive belt, variator rollers, brake pads, tires, battery. Occasional carburetor or fuel injection system cleaning may be required.
Manufacturer Origin:
SYM (Sanyang Motor Co., Ltd.) is a Taiwanese manufacturer, established in 1954.
Lineage:
The Jet series is a long-standing line of SYM scooters, with the 'Euro' designation typically indicating compliance with European emissions standards, and specific generations evolving with styling and technology updates.
Manufacturing Location:
Primarily manufactured in Taiwan.
