Segment:
Lightweight scooter, popular for urban commuting and entry-level riders.
Target Audience:
Owners, DIY enthusiasts, independent repair shops.
Competitors:
Honda PCX125, Yamaha NMAX 125, Suzuki Address 110, Sym Jet 14 125.
Vehicle Appeal:
Nimble handling, fuel efficiency, accessible performance, modern styling.
Benefit:
Empowers owners to perform routine maintenance and repairs, saving money and extending the lifespan of the scooter.
Technical Coverage:
Comprehensive mechanical and electrical systems repair and maintenance.
Diagnostic Coverage:
Troubleshooting procedures for common and uncommon issues.
Model Year Coverage:
Primarily focused on models equipped with the R12 designation, typically spanning recent production years (e.g., 2010s to present, dependent on specific manual revision).
Estimated Page Count:
200-300 pages (typical for a comprehensive scooter service manual).
Type:
Service Repair Manual
Engine:
Complete engine overhaul, internal component inspection and replacement (pistons, rings, valves, crankshaft, cylinder), lubrication system, cooling system (if applicable).
Transmission:
Automatic CVT system (variator, clutch, torque converter), belt replacement, roller weights, clutch spring, gear reduction unit.
Fuel System:
Fuel injection system (throttle body, injectors, sensors), fuel pump, fuel filter, carburetor specifications (if applicable to earlier models).
Electrical System:
Wiring diagrams, battery charging system (stator, rectifier/regulator), ignition system (CDI, spark plug), lighting, starting system, instrumentation.
Brakes:
Front and rear brake system servicing (disc and/or drum), hydraulic system bleeding, pad/shoe replacement, caliper/cylinder overhaul.
Suspension:
Front fork disassembly, seal replacement, oil levels and specifications; rear shock absorber inspection and replacement.
Chassis:
Frame inspection, steering head bearing maintenance, swingarm inspection and lubrication.
Bodywork:
Fairing removal and installation, seat assembly, storage compartment servicing.
Maintenance:
Oil changes, filter replacements (air, oil, fuel), spark plug replacement, valve clearance adjustment, drive belt inspection/replacement, brake fluid flush, coolant flush (if liquid-cooled).
Troubleshooting:
Diagnostic trees for starting issues, power loss, unusual noises, braking problems, electrical faults.
Repair:
Step-by-step instructions for component removal, repair, and reassembly across all major systems.
Adjustments:
Carburetor idle speed and mixture (if applicable), throttle cable free play, brake lever free play.
Rebuilding:
Detailed procedures for engine component rebuilding (e.g., cylinder head, carburetor, fuel injector).
Depth Level:
Comprehensive from basic scheduled maintenance to full engine and transmission rebuilds, including electrical diagnostics.
Diagnostic Tools:
Information on required special tools and diagnostic procedures for accurate fault identification.
Type:
4-stroke, 2-valve, SOHC, air-cooled
Displacement:
125cc class (exact displacement typically around 125-149cc depending on specific market variant).
Bore X Stroke:
Typically around 52.4mm x 57.8mm (subject to variation).
Compression Ratio:
Typically around 9.6:1 to 10.0:1 (subject to variation).
Horsepower:
Approximately 8-10 HP (subject to specific market regulations and tuning).
Torque:
Approximately 7-9 Nm (subject to specific market regulations and tuning).
Fuel Delivery:
Electronic Fuel Injection (EFI) for later models, Carburetor for earlier models.
Fuel Type:
Unleaded gasoline, 91 octane (RON) or higher recommended.
Oil Type:
SAE 10W-40 API SG or higher, JASO MA/MA2.
Oil Capacity:
Approximately 0.8 - 1.0 liters (check dipstick).
Type:
Automatic Continuously Variable Transmission (CVT)
Drive Belt:
Serviceable drive belt, replacement intervals typically specified around 10,000-15,000 km or as per inspection.
Clutch:
Centrifugal automatic clutch system.
Gear Reduction:
Single-stage gear reduction.
Length:
Approximately 1870 mm
Width:
Approximately 735 mm
Height:
Approximately 1150 mm
Wheelbase:
Approximately 1350 mm
Seat Height:
Approximately 760 mm
Dry Weight:
Approximately 110-120 kg (subject to variant and equipment).
Gross Vehicle Weight Rating:
Typically around 270-290 kg (rider + passenger + cargo).
Front Tire:
120/70-12 or 110/70-12 (common sizes, check manual for exact fitment).
Rear Tire:
130/70-12 or 120/70-12 (common sizes, check manual for exact fitment).
Wheel Type:
Aluminum alloy
Crash Test Ratings:
N/A (Scooters typically do not undergo standardized crash testing like automobiles).
Braking System:
Front: Disc brake; Rear: Disc brake (or Drum brake on some variants).
Lighting:
Halogen or LED headlights, taillights, and turn signals.
Frame Construction:
Steel underbone frame.
Instrumentation:
Digital/analog combination dashboard with warning lights.
Engine Oil Change:
Every 2,000 - 4,000 km or 6 months, whichever comes first.
Air Filter Cleaning:
Every 2,000 km, replace as needed (e.g., 10,000 km).
Spark Plug Replacement:
Every 5,000 - 10,000 km.
Drive Belt Inspection:
Every 5,000 km, replace around 15,000 km or if wear is evident.
Valve Clearance Adjustment:
Every 10,000 - 15,000 km.
Brake Fluid Change:
Every 2 years or 20,000 km.
Engine Oil:
SAE 10W-40 API SG or higher, JASO MA/MA2.
Gear Oil:
SAE 80W-90 GL-4 API.
Common Wear Items:
Drive belt, variator rollers, brake pads, tires, suspension bushings.
Potential Electrical:
Occasionally, stator or regulator/rectifier failures reported; check wiring harness connections for corrosion.
Engine Performance:
Loss of power can be due to clogged air filter, worn drive belt, or incorrect valve clearances.