Maruti Zen Carburetor Service Manual Work Today

Do not poke jets with steel pins or toothpicks. It scratches the brass calibration holes.
Soak all metal parts in carb cleaner for 4 hours. Use an ultrasonic cleaner if available.
Blow through every passage with compressed air. Look for air exiting the correct discharge holes.
Scrub the float bowl. Pay attention to the "wells" around the accelerator pump.

Replace worn gaskets and the fuel filter (recommended every for carb models).

Proper tuning requires setting both the idle speed and the air-fuel mixture once the engine is at operating temperature.

for carburetor models (compared to 40,000 km for MPFi) to prevent jet clogging. Maruti Suzuki 3. Maintenance & Overhaul Steps