Maintenance Tips


Maintaining classic motorcycles with both fuel injection (FI) and carburetor systems requires specific attention to each component. Here are some tips tailored to the maintenance of both systems

For Fuel Injection (FI) Systems:

  1. Regular Inspection:
    • Sensors: Check sensors such as oxygen sensors and throttle position sensors for proper functioning.
    • Fuel Lines: Inspect fuel lines and connections for leaks or signs of wear.
    • Fuel Pump: Ensure the fuel pump is working correctly.

  2. Fuel System:
    • Clean Fuel: Use high-quality fuel and consider periodic use of fuel system cleaners to prevent clogs.
    • Fuel Filter: Replace the fuel filter according to the manufacturer's recommendations.
    • Injector Cleaning: Periodically clean fuel injectors to maintain proper fuel spray patterns.

  3. Air Intake:
    • Air Filter: Regularly inspect and replace air filters as needed for optimal airflow.
    • Throttle Body: Clean the throttle body and throttle plate to prevent sticking.

  4. Electronic Components:
    • ECU: The Electronic Control Unit (ECU) is the brain of the FI system. Ensure it’s functioning correctly.
    • Wiring: Inspect the wiring harness for signs of wear or corrosion.
  5. Professional Service:
    • Diagnostic Tools: If you encounter issues, consider taking the bike to a mechanic with
      diagnostic tools specifically designed for FI systems.
For Carburetor Systems:
  1. Regular Inspection and Cleaning:
    • Jets and Needles: Clean and inspect jets and needles for any clogs or wear.
    • Floats: Ensure the carburetor floats are set to the correct height.
    • Gaskets and Seals: Check gaskets and seals for signs of deterioration.
  2. Fuel System:
    • Fuel Quality: Use clean, high-quality fuel. Consider using a fuel stabilizer if storing the bike for a while.
    • Fuel Filter: If your bike has an inline fuel filter, replace it regularly.
  3. Synchronization:
    • Balancing: If your motorcycle has multiple carburetors,
      ensure they are synchronized properly for smooth running.
  4. Choke and Idle System:
    • Choke: Make sure the choke operates smoothly without sticking.
    • Idle Speed: Adjust the idle speed according to the manufacturer’s specifications.
  5. Air Intake:
    • Air Leaks: Check for air leaks around the carburetor intake. Any leaks can disrupt the air-fuel mixture.
  6. Storage:
    • Drain Carburetor: If storing the bike, consider draining the carburetor to
      prevent fuel from gumming up the system.
  7. Professional Maintenance:
    • Expert Tuning: Carburetor tuning can be intricate. If you’re not experienced, consider
      consulting a mechanic specializing in carbureted systems.

Regardless of the system your classic motorcycle uses, regular maintenance, attention to detail, and addressing issues promptly will ensure your bike runs smoothly and reliably for years.


You can visit one of these shops for your Customization, Parts and Maintenance Needs.

Mission Classic Parts

Customization and Maintenance

Adelina Complex 3 Ext, Biñan, Laguna, Philippines

AJ RETRO

Customization and Maintenance

Pulong Saging amparo compound, Silang, Philippines

F3AN Motorshop

Customization and Maintenance

L13 B4 Bayfair Subdivision, Muntinlupa City, Philippines

Swabz Classic

Customization and Maintenance

B40, Purok 6 Lupang Arenda, Taytay Rizal, Metro Manila Philippines

Konoha Eastside

Customization and Maintenance

121 Gen. B. G. Molina St, Marikina, 1800 Metro Manila, Philippines

Pyesa ni Henry Ang

Customization and Maintenance

24 Rd 8, Bagong Pag-asa, Quezon City, 1100 Metro Manila, Philippines