Segment:
125cc Automatic Scooter segment.
Target Audience:
Owners, independent repair shops, and Daelim dealerships.
Competitors:
Yamaha XMAX 125, Honda PCX 125, Kymco Agility 125, Suzuki Address 125.
Vehicle Focus:
Practicality, fuel efficiency, urban mobility, and reliable performance.
Manual Value Proposition:
Enables DIY maintenance and complex repairs, reducing reliance on expensive dealership services.
Engine:
Complete engine disassembly, assembly, diagnosis, and repair for all variants.
Fuel System:
Fuel injection system, fuel pump, injectors, fuel filter, and evaporative emission control system.
Ignition System:
Ignition coil, spark plugs, ECU control, and timing.
Cooling System:
Radiator, fan, water pump, thermostat, and coolant flow diagnostics.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, and emissions control components.
Transmission:
Automatic CVT (Continuously Variable Transmission) service, repair, and adjustment.
Chassis Suspension:
Front forks, rear shock absorber, swingarm, and related bearings.
Braking System:
Front and rear disc brakes, hydraulic lines, brake calipers, master cylinder, and brake fluid.
Steering System:
Handlebar assembly, steering stem, and bearings.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starter motor, lighting, and instrumentation.
Bodywork And Trim:
Fairings, body panels, seat, storage compartment, and related fasteners.
Wheels And Tires:
Wheel removal, installation, balancing, and tire specifications.
Preventive Maintenance:
Regular servicing, oil changes, filter replacements, fluid checks, and lubrication points.
Troubleshooting:
Diagnostic procedures for common faults and system malfunctions with symptom-based guidance.
Engine Repair:
Complete engine rebuilds, component replacement, and internal adjustments.
Transmission Service:
CVT belt inspection, roller inspection, clutch assembly service.
Brake Service:
Brake pad replacement, fluid bleeding, caliper servicing.
Electrical Diagnosis:
Wiring schematic interpretation, component testing, fault code diagnosis (if applicable).
Suspension Overhaul:
Fork seal replacement, shock absorber servicing.
Body Panel Removal Installation:
Step-by-step guides for accessing internal components.
Depth:
Comprehensive, covering routine maintenance to complete engine and transmission overhauls.
Diagnostic Capability:
Detailed diagnostic trees and troubleshooting flowcharts.
Component Level Detail:
Detailed illustrations and specifications for individual components.
Type:
Four-stroke, single-cylinder, SOHC, liquid-cooled
Displacement:
124.9 cc (approx.)
Bore X Stroke:
Typically around 52.4 mm x 57.8 mm (verify with specific model year)
Compression Ratio:
Typically around 10.0:1 to 11.5:1 (verify with specific model year)
Horsepower:
Approximately 11-12 HP @ 8000-9000 RPM (verify with specific model year)
Torque:
Approximately 10-11 Nm @ 6000-7000 RPM (verify with specific model year)
Induction:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (90-95 RON)
Oil Type:
SAE 10W-40 API SG or higher (Semi-synthetic or Full-synthetic recommended)
Oil Capacity:
Approximately 0.8 - 1.0 Liters (with filter change) - verify with manual.
Spark Plug Type:
NGK CR9E or equivalent (verify specific model year)
Length:
Approximately 1900-2000 mm (verify with specific model year)
Width:
Approximately 700-750 mm (verify with specific model year)
Height:
Approximately 1300-1350 mm (verify with specific model year)
Dry Weight:
Approximately 130-140 kg (verify with specific model year)
Curb Weight:
Approximately 140-150 kg (verify with specific model year)
Front Tire Size:
Typically 120/70-14 or similar (verify with specific model year)
Rear Tire Size:
Typically 140/70-13 or similar (verify with specific model year)
Wheelbase:
Approximately 1300-1350 mm (verify with specific model year)
Crash Test Data:
N/A for scooters of this class, focus is on system integrity and rider protection.
Braking:
Front and rear disc brakes. Some models may offer Combined Braking System (CBS).
Lighting:
Halogen or LED headlights, taillights, and turn signals.
Chassis Design:
Underbone frame design for stability and maneuverability.
Instrumentation:
Clear and readable speedometer, fuel gauge, and warning lights.
Initial Service:
Typically around 1,000 km or 1 month (whichever comes first) for break-in service.
Regular Oil Change:
Every 3,000-5,000 km or 6 months (whichever comes first).
Air Filter Inspection:
Every 3,000-5,000 km, replace as needed.
Spark Plug Replacement:
Every 6,000-10,000 km (or as per manual recommendation).
Cvt Belt Inspection:
Every 6,000-10,000 km, replace if worn or damaged.
Brake Fluid Change:
Every 2 years or as per manual recommendation.
Engine Oil Grade:
SAE 10W-40 API SG or higher.
Coolant Type:
Ethylene glycol based antifreeze coolant (50% mixture with distilled water).
Brake Fluid Type:
DOT 3 or DOT 4 Brake Fluid (check manual for precise specification).
Common Wear Items:
CVT belt, drive rollers, brake pads, suspension bushings, and electrical connectors.
Potential Electrical Faults:
Corrosion in connectors, particularly for the rectifier/regulator and stator.
Engine Performance Degradation:
Can be related to clogged fuel injectors, worn air filter, or incorrect valve clearances.
Manufacturer:
Daelim Motor Co., Ltd. (South Korea)
Founding:
Founded in 1962, initially as a parts manufacturer.
S2 Introduction:
The S2 series was introduced as Daelim's modern line of performance-oriented scooters.
125Cc Variant Focus:
The 125cc variant targets the highly competitive and popular entry-level scooter market.
Production Years:
Varied by market, generally from late 2000s to mid-2010s for initial generations, with potential updates.