Fuel and exhaust system specifications (Skoda Favorit)

Fuel pump

Manufacturer and type - Diaphragm Jikov OD

Drive - Mechanical from camshaft

Feed pressure - 0.3 bar

Carburetor (main characteristics)

Teal and designation — Pierburg 2E or Jikov 28-30 LEKR

Carburetor number:

• Jikov — 443 751 220 100
• Pierburg — 4301-360.6

Damper type - Automatic

Carburetor adjustment data

Idle speed - See Section 1

Idle CO content - See Section 1

Float height - 29±1 mm

Carburetor calibration

	Primary	Secondary
Diffuser diameter	20 mm	24 mm
Jet sizes:
Main jet	92.5	120
Emulsion tube	100	100
Idle fuel jet	45
Idle air jet	130
Auxiliary fuel jet diameter	-	0.55 mm
Auxiliary air jet diameter	-	1.2 mm
Partial load enrichment jet diameter	0.5 mm	-
Maximum Load Mixture Enrichment Jet	-	85
Accelerator pump jet diameter	0.15 mm
Float regulator needle diameter	1.5 mm

Tightening torques, Nm

Fuel pump - 12-16

Carburetor mounting screws - 7-10

Intake Manifold Nuts - 18-24

Exhaust Manifold Nuts - 18-24