Vehicle Segment:
All-Terrain Vehicle (ATV) / Trike
Key Competitors:
Other lightweight ATVs of the era, such as Yamaha Tri-Moto series, Suzuki LT series.
Vehicle Purpose:
Recreational trail riding, light utility.
Benefit To Owner:
Empowers owners with the knowledge to perform maintenance, repairs, and troubleshooting, saving on service costs and extending vehicle life.
Navigation:
Clickable chapters for easy navigation.
Primary Focus:
Repair and Service
Specific Topics:
Complete tear down and rebuild, pictures and part diagrams, torque specs, maintenance, troubleshooting, electrical systems, fuel systems, engine, transmission, suspension, brakes, chassis, bodywork, plastics.
Type:
Service Manual / Repair Manual
Engine:
Engine teardown, assembly, valve clearance, piston, conrod, crankshaft, cylinder, camshaft, magneto, spark plug, carburetor (carb, carburettor), intake, exhaust, fuel pump, starter, kickstart (kick).
Drivetrain:
Drive train, transmission, primary reduction gear, gearshift, clutches, clutch, connecting rod, shaft, rotors, flywheel.
Suspension And Brakes:
Suspension, forks, strut, swingarm, swinger, brakes, brake, brake pads, linkage, wheels, tires, tire, track.
Electrical:
Ignition, stator, rectifier, battery, charging, coils, switches, switchs, switch, magneto, light, lights, electrical system.
Fuel System:
Carburetor (carb, carburettor), fuel injection (PGM-FI, EFI), mixture screw, main jet, slow jet, pilot jet, fuel pump, fuel tank, fuel lines.
Bodywork And Chassis:
Frame, fenders, fender, plastics, plastic, body, seat, bars, handle, handlebars, panels, muffler.
Maintenance:
Scheduled maintenance, oil change, fluid change, coolant change, tire pressure, lubrication, valve adjustment, spark plug replacement.
Diagnostics And Troubleshooting:
Troubleshooting, problem diagnosis, error codes, no spark, starting problems, troubleshooting guides.
Repair And Rebuild:
Complete engine rebuild, transmission overhaul, brake system repair, suspension overhaul, carburetor rebuild, electrical system troubleshooting and repair.
Installation:
Component installation, accessory installation.
Depth:
Comprehensive; covers everything from routine maintenance and adjustments to full engine and transmission overhauls.
Engine Type:
Four-stroke, air-cooled, OHC
Displacement:
124cc (or 125cc class)
Bore X Stroke:
Specific values available within the manual.
Compression Ratio:
Specific value available within the manual.
Horsepower:
Approx. 10-12 HP (estimated, specific figures in manual)
Torque:
Specific values available within the manual.
Carburetor Type:
Single Carburetor (e.g., Keihin)
Fuel Type:
Unleaded Gasoline
Engine Oil Type:
Specific viscosity and API classification provided in manual (e.g., SAE 10W-30, API SF or SG).
Oil Capacity:
Specific capacity in liters/quarts provided in manual.
Length:
Specific dimensions available in manual.
Width:
Specific dimensions available in manual.
Dry Weight:
Approx. 110-120 kg (240-265 lbs) (estimated, specific figures in manual)
Curb Weight:
Specific value available in manual.
Front Tire Size:
Commonly 22x8-10 or similar.
Rear Tire Size:
Commonly 22x10-10 or similar.
Wheel Bolt Pattern:
Specific pattern and offset detailed in manual.
Oil Change Interval:
Typically every 1000 km or 6 months (specific interval detailed in manual).
Valve Clearance Check:
Recommended at specific mileage/hour intervals, detailed in manual.
Coolant Type:
If liquid-cooled (some models may be air-cooled), specific coolant type and mixture ratio detailed in manual. ATC125m is typically air-cooled.
Brake Fluid Type:
DOT 3 or DOT 4 (if hydraulic brakes are equipped, check manual for specifics).
Common Wear Items:
Carburetor jets (clogging), spark plugs, brake pads, tires, swingarm bearings, steering head bearings.
Common Issues Diagnostics
Carburetor Problems:
Difficulty starting, poor idling, hesitation, fuel leaks (covered in troubleshooting section).
Electrical Problems:
No spark, charging issues, lighting problems (covered in troubleshooting section).
