What does it mean if my GAS GAS EC 125 - 2003 Motorcycle exhaust pipe get out brown smoke?
If your GAS GAS Motorcycle exhaust pipe is emitting brown smoke, it could be because the air filter is blocked, so you should clean or change the air filter and go to specialized garage. Another possible cause is a main jet higher, so check main jet and go to specialized garage.
What does it mean if my GAS GAS EC 125 - 2003 exhaust pipe get out white smoke?
If white smoke is coming from your GAS GAS Motorcycle's exhaust pipe, it could indicate a leaking cylinder head gasket, so change cylinder head gasket leaking and go to specialized garage. Another potential cause is a maladjusted gas valve passage, so adjust gas valve passage and go to specialized garage.
What to do if my GAS GAS EC 125 - 2003 engine cranks but doesn't start?
If your GAS GAS Motorcycle engine cranks but doesn't start, there could be several reasons. It could be due to old fuel accumulated in the float chamber, in which case you should drain the old fuel. Another reason may be scooty or wet spark plug, so you should clean and dry the spark plug or replace it. If the engine is flooded, pull the starter pedal 5 or 10 times to "pump the engine free", then try starting it again, and if it still fails, unscrew and dry the spark plug. A wrong fuel/air mixture can also be the reason, so you should clean the tank cap air vent, check the by-pass throttle body, and inspect the air filter.
What to do if my GAS GAS EC 125 - 2003 engine gets too hot?
If your GAS GAS Motorcycle engine is overheating, it might be due to insufficient cooling liquid. Refill the cooling liquid and check the refrigeration system. Alternatively, the radiators might be very dirty, so cleaning them could solve the problem.
Why does my GAS GAS EC 125 - 2003 Motorcycle engine start but stop a few seconds later?
If your GAS GAS Motorcycle engine starts and then stops shortly after, it could be due to an incorrect air supply. Try closing the starter, cleaning the fuel tank air vent, and checking the air filter. Another reason could be that there isn't enough fuel, so make sure to fill up the fuel tank.
What to do if my GAS GAS EC 125 - 2003 clutch is slipping?
If the clutch on your GAS GAS Motorcycle is slipping, it might be due to several reasons: - No clutch lever play, maladjusted, so you should go to specialized garage. - Friction plate worn or warped, change friction plate and go to specialized garage. - Steel plate worn or warped, change steel plate. - Clutch spring broken or weak, check or change clutch spring. - Clutch disc unevenly worn, change clutch disc and go to specialized garage.
Why is my GAS GAS EC 125 - 2003 Motorcycle clutch not disengaging properly?
If your GAS GAS Motorcycle's clutch isn't disengaging properly, it could be due to a few reasons. It might be caused by no clutch lever play maladjusted, or friction plate worn or warped, so you should change friction plate. It could also be due to steel plate worn or warped, so you should go to specialized garage. Other potential causes include a damaged gear lever, a broken or weak clutch spring (check or change clutch spring), or trouble with the clutch release mechanism (check clutch release mechanism).
Why is my GAS GAS EC 125 - 2003 handlebar shaking or excessively vibrating?
If the handlebar on your GAS GAS Motorcycle shakes or vibrates excessively, it could be due to a damaged tire, swing arm sleeve, or needle bearing, so you should change it for new pieces. It might also be caused by a warped rim (centre rim), a misaligned wheel (check wheel rim pressure and adjust if necessary), or excessive front/rear axle runout (check rear/front axle steering and adjust if necessary).
Why does my GAS GAS EC 125 - 2003 jump out of gear?
If your GAS GAS Motorcycle is jumping out of gear, it could be due to several issues: a worn shift fork or gear, worn gear dogs and/or dog holes, a worn shift drum groove, gear positioning problems, or a weak or broken lever spring. Change it and go to specialized garage.
Why does my GAS GAS EC 125 - 2003 Motorcycle pull to one side?
If your GAS GAS Motorcycle pulls to one side, several factors could be responsible. The frame might be bent, the steering could be maladjusted, the steering stem could be bent, or the front fork might be bent. Additionally, wheel misalignment could also cause this issue. Change front fork or align wheel.
General| Year | 2003 |
|---|---|
| Manufacturer | GAS GAS |
| Model | EC 125 |
| Category | Motorcycle |
| Engine Type | Single cylinder, two-stroke |
| Displacement | 124.8 cc |
| Bore x Stroke | 54 x 54.5 mm |
| Fuel System | Carburetor |
| Ignition | CDI |
| Cooling System | Liquid cooled |
| Transmission | 6-speed |
| Final Drive | Chain |
| Front Brake | Single disc |
| Rear Brake | Single disc |
| Front Tire | 90/90-21 |
| Rear Tire | 120/90-18 |
| Rear Suspension | Monoshock |
| Fuel Capacity | 9.5 liters |
| Front Suspension | Marzocchi Upside-down telescopic hydraulic fork |
Introduction to the service manual and the motorcycle.
Important notices for safe operation, environmental care, and respect for others.
Comprehensive technical data including engine, transmission, chassis, brakes, and dimensions.
Identifies and labels essential parts of the motorcycle using numbered diagrams.
Instructions for side stand use and details on the fuel tank and cap.
Step-by-step procedure for starting the motorcycle's engine.
How to shift gears and properly stop the motorcycle, including safety cautions.
Recommended engine break-in procedure and spark plug selection guidance.
Procedures for adjusting ignition timing and maintaining the cooling system.
Instructions for checking transmission oil and servicing the air cleaner element.
Steps for maintaining the drive chain, brakes, fluid levels, and wear.
How to adjust steering, check wheel alignment, and maintain wheel components.
Procedures for adjusting front fork settings like oil level, damping, and spring position.
How to adjust rear shock absorber settings including rebound, compression, and spring preload.
Critical torque specifications for bolts and key points requiring lubrication.
Detailed steps for tuning the carburetor based on altitude, temperature, and conditions.
Factors influencing suspension tuning, including rider weight, experience, and track conditions.
Adjusting gearing ratios based on track conditions for optimal speed and acceleration.
Diagnosing and resolving issues like engine not starting, overheating, or poor running.
Diagnosing and fixing issues with clutch, gear shifting, drivetrain noise, stability, and brakes.
Details on warranty coverage, period, purchaser obligations, and exclusions.
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