Vehicle Segment:
Lightweight Sport/Commuter Motorcycle
Key Competitors:
Competes with other 125cc class sportbikes and naked bikes from brands like Yamaha, Honda, Suzuki, and Kawasaki of similar vintage.
Vehicle Appeal:
Likely targeted towards younger riders or those seeking an economical and nimble urban commuter with sporty styling.
Manual Benefit:
Empowers owners to perform a wide range of maintenance and repair tasks, saving on labor costs and ensuring proper upkeep of the GF125.
Engine Systems:
Engine Overhaul, Lubrication, Cooling, Fuel System, Ignition System, Exhaust System, Emission Control
Transmission Drivetrain:
Clutch, Gearbox, Final Drive, Bearings, Seals
Chassis Suspension:
Front Fork, Rear Suspension, Swingarm, Bearings, Shock Absorbers
Braking System:
Front and Rear Brakes (Disc/Drum), Brake Lines, Master Cylinder, Calipers, Pads/Shoes
Electrical System:
Wiring Diagrams, Battery, Charging System (Stator, Regulator/Rectifier), Ignition Switch, Lights, Horn, Starter Motor, Instrumentation
Fuel System:
Carburetor Adjustment and Rebuild, Fuel Tank, Fuel Lines, Petcock
Cooling System:
Air Cooling System Component Inspection and Maintenance
Bodywork Frame:
Frame Inspection, Body Panels, Fenders, Seat, Fuel Tank Mounting
Maintenance Procedures:
Oil Changes, Filter Replacements, Spark Plug Service, Chain Adjustment, Tire Pressure Checks, Brake Pad/Shoe Inspection
Repair Procedures:
Engine Rebuilds, Transmission Overhauls, Suspension Component Replacement, Electrical System Troubleshooting, Carburetor Rebuilds
Troubleshooting Guides:
Detailed Diagnostic Procedures for Common Problems, Symptom-Based Troubleshooting Charts
Rebuild Instructions:
Step-by-step instructions for component disassembly, cleaning, inspection, and reassembly
Technical Depth:
Comprehensive for both routine maintenance and complex repairs, suitable for DIY mechanics and professional technicians.
Engine Type:
Four-stroke, single-cylinder
Displacement:
Approximately 124cc (exact value depends on specific sub-model or year, typical for this class)
Cooling System:
Air-cooled
Bore X Stroke:
Refer to manual for specific dimensions
Horsepower:
Expected range: 10-15 HP (typical for 125cc class)
Torque:
Refer to manual for specific output
Fuel Delivery:
Carburetor (likely a single Mikuni or Keihin unit)
Fuel Type:
Unleaded gasoline
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type Specification:
SAE 10W-40 or 20W-50 Motorcycle Specific API SG or higher (Verify in Manual)
Oil Capacity:
Refer to manual (typically around 1.0 - 1.2 Liters)
Length:
Refer to manual for exact dimensions
Width:
Refer to manual for exact dimensions
Height:
Refer to manual for exact dimensions
Dry Weight:
Likely in the 120-140 kg range (typical for this class)
Curb Weight:
Refer to manual for exact weight
Front Tire Size:
Likely 100/80-17 or similar
Rear Tire Size:
Likely 130/70-17 or similar
Wheel Base:
Refer to manual for exact wheelbase
Infotainment Features:
Basic instrumentation: Speedometer, Odometer, Tachometer (if equipped), Fuel Gauge (if equipped), Indicator Lights.
Driver Assistance Systems:
None (Standard for this class of motorcycle)
Connectivity Options:
None (Standard for this class of motorcycle)
Engine Oil Change Interval:
Every 3,000 km or 6 months, whichever comes first (Verify in Manual)
Oil Filter Replacement Interval:
At every oil change (if applicable, check for mesh filter or cartridge)
Spark Plug Service Interval:
Every 6,000 km or 12 months (Verify in Manual)
Air Filter Cleaning Interval:
Every 3,000 km or 6 months, replace as needed
Chain Lubrication Adjustment:
Every 1,000 km or as needed, adjust slack to 20-30mm
Brake Fluid Type:
DOT 3 or DOT 4 (Verify in Manual)
Coolant Type:
N/A (Air-cooled engine)
Common Wear Items:
Clutch wear, carburetor jetting issues, fork seal leaks, chain and sprockets wear.
Electrical Quirks:
Occasional issues with rectifier/regulator failure, intermittent lighting connections.
Engine Tuning:
Carburetor synchronization and jetting can be sensitive to environmental conditions and modifications.
