Why does the front wheel wobble on my APRILIA RS 125?
If your APRILIA Motorcycle's front wheel wobbles, here's what might be causing it: * Warped wheel rim: Replace it. * Worn front wheel hub bearings: Replace them. * Defective tyre or tyre not meeting specification: Replace it. * Loose wheel spindle nut: Tighten it. * Front fork oil not meeting specification: Adjust it.
What causes hard steering in my APRILIA Motorcycle?
If you are experiencing hard steering on your APRILIA Motorcycle, consider the following: * Steering adjusting ring nut overtightened: Adjust it. * Steering bearing damaged: Replace it. * Steering stem distorted: Replace it. * Tyre underinflated: Adjust it.
What causes unsteady charge in my APRILIA RS 125?
If the charge is unsteady on your APRILIA Motorcycle, it could be due to: * Worn terminal insulator causing transient short circuits due to vibration: Repair or replace it. * Short circuits inside the generator: Replace it. * Faulty regulator/rectifier: Replace it.
Why my APRILIA RS 125 Motorcycle engine does not start?
If your APRILIA Motorcycle engine doesn't start or is hard to start, several issues could be the cause: * The cylinder or piston rings may be exceedingly worn, requiring replacement. * The piston ring might be sticking in its groove, needing repair or replacement. * The crankcase, cylinder, or cylinder head gasket could be leaking, also requiring repair or replacement. * A loose spark plug needs tightening. * A broken, cracked, or damaged piston should be replaced. * A worn crankshaft seal should be replaced. * A foul spark plug should be replaced. * A wet spark plug needs cleaning and drying. * A defective coil should be replaced. * A high-tension cable that's interrupted or shorted should be replaced. * An ignition system fault needs repair or replacement.
Why does the brake lever have excessive travel on my APRILIA Motorcycle?
If the brake lever on your APRILIA Motorcycle has excessive travel, it could be due to: * Air in the hydraulic circuit: Bleed the circuit. * Low brake fluid level: Top up to the specified level and bleed the circuit. * Brake fluid does not meet specification: Change using specified brake fluid.
Why do spark plugs develop carbon build-up too quickly in my APRILIA RS 125 Motorcycle?
If the spark plugs in your APRILIA Motorcycle develop excessive carbon build-up too quickly, consider the following: * Carburetion too rich: Adjust the carburetor. * Idling speed set too high: Adjust the carburetor. * Fuel does not meet specification: Change the fuel. * Air cleaner dirty: Clean it. * Spark plug heat rating too low: Replace with a higher rating spark plug.
What causes the generator of my APRILIA Motorcycle to overcharge the battery?
If the generator in your APRILIA Motorcycle is overcharging the battery, check the following: * Short circuit inside the battery: Replace the battery. * Damaged or faulty regulator/rectifier: Replace it. * Erratic regulator/rectifier ground: Clean and tighten the ground terminals.
Why do the brakes squeal on my APRILIA RS 125?
If your APRILIA Motorcycle brakes are squealing, several factors could be responsible: * Vitrified contact surfaces of brake pads: Sand the brake pad surfaces. * Inverted brake pads: Install them correctly. * Damaged wheel hub bearing: Replace it. * Loose front or rear wheel spindle: Tighten to the specified torque. * Worn brake pads: Replace them. * Foreign matter suspended in brake fluid: Change the brake fluid. * Obstructed return hole of the master cylinder: Dismantle and clean the brake master cylinder.
What causes the generator of my APRILIA RS 125 to undercharge the battery?
If your APRILIA Motorcycle generator is undercharging the battery, look for these possible causes: * Terminals short-circuiting, becoming interrupted, or working themselves loose: Repair or tighten them. * Generator stator coil discharging to earth or interrupted: Replace it. * Faulty regulator/rectifier: Replace it. * Faulty battery: Replace it.
What causes overheating in APRILIA Motorcycle?
If your APRILIA Motorcycle engine overheats, consider these potential causes: * Insufficient coolant: Top it up. * Radiator fins obstructed by dirt or debris: Clean them. * Faulty thermostat jammed in the closed position: Replace it. * Obstructed coolant passages: Clean them. * Air in the cooling circuit: Bleed the circuit. * Faulty coolant pump: Replace it. * Coolant used does not meet specification: Change the coolant.
General| Displacement | 124.8 cc |
|---|---|
| Transmission | 6-speed |
| Front Suspension | Upside-down fork |
| Rear Suspension | Monoshock |
| Front Brake | Single disc |
| Rear Brake | Single disc |
| Dry Weight | 114 kg |
| Fuel System | Carburetor |
| Frame | Aluminum perimeter frame |
| Engine Type | Single cylinder, 2-stroke |
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