Remove the four 12mm nuts securing the carburetor base flange to the intake manifold. Lift the carburetor straight up off the mounting studs.
: With the engine at normal temperature, adjust the screw slowly. Find the point where the idle slows down (too lean) and where it starts to stumble (too rich). Set it right in the middle. Idle Speed
Flathead and Phillips screwdrivers, 8mm, 10mm, and 12mm sockets, open-ended spanners. maruti zen carburetor service manual
Before beginning assembly or disassembly, gather the following tools to avoid damaging the soft brass components inside the carburetor:
Ensures a smooth power increase when the accelerator pedal is suddenly pressed. 2. Tools Required for Carburetor Service Remove the four 12mm nuts securing the carburetor
Spray carburetor cleaner through every jet. Brass is soft, and scraping it will alter the precise orifice size, permanently ruining fuel metering. Use a single strand of copper wire or compressed air instead. Step 4: The Accelerator Pump and Diaphragm
Blast every single passage out with compressed air. Verify that cleaner sprayed into one port successfully exits out of its corresponding internal circuit hole. Find the point where the idle slows down
Hard Starting: Especially difficult when the engine is cold.
Before starting, ensure you have the following tools and materials: Carburetor cleaner spray (aerosol). Flathead and Philips screwdrivers. Socket set (8mm, 10mm, 12mm). Needle-nose pliers. A small wire brush or soft bristle brush. Compressed air source (optional, but recommended).
If your air screw has been tampered with, follow these steps based on general Mikuni tuning guidelines: Initial Setting : Gently bottom the pilot air screw and re-open it two full turns Fine-Tuning
Do you have the or Mikuni branded carburetor installed?