Fuel System — Specifications

Fuel tank

Manufactured from stamped sheet metal and mounted in front of the rear axle of the vehicle. Tank capacity: 40 l.

Fuel pump

The mechanical diaphragm pump is driven by the camshaft eccentric. The pump housing is rolled and only the filter is replaced. Fuel supply pressure: 22 - 35 kPa.

Air filter

The air filter has a replaceable paper filter element.

Motorcraft VV carburetor

The carburetor is vertical, with an automatic air damper, with coolant heating and an idle system solenoid valve.

Identification
Engine (GLB) with a working volume of 1.1 dm3	81 SF-9510-KMA
Engine (GSG) with a working volume of 1.1 dm3	81 SF-9510-KJA
Engine (JLA, JLB) with a working volume of 1.3 dm3	81 SF-9510-KAA/ KCA/ KEA
Carburetor data
Designation of the jet needle:
– carburetor 81 SF-9510-KAA	FDA
– carburetor 81 SF-9510-KCA	FDK
– carburetor 81 SF-9510-KFA	FCX
– carburetor 81 SF-9510-KMA	FCH
Rod diameter for automatic start adjustment	3.4mm (3.0 mm for 81 SF-9510-KMA)
Fast idle rod diameter:
– carburetor 81 SF-9510-KAA and KCA	4.4mm
– carburetor 81 SF-9510-KFA	3.5mm
– carburetor 81 SF-9510-KMA	3.3 mm
Direction of rotation of the leash:
– carburetor 81 SF-9510-KAA and KCA	counterclock-wise
– carburetor 81 SF-9510-KFA	clockwise
– carburetor 81 SF-9510-KMA	clockwise
Thermostat damper opening temperature	28 ± 2° C (20±2°C for 81 SF-9510-KMA)

Weber-2V carburetor

The carburetor is vertical, with an automatic air damper with electric heating and an idle system solenoid valve.

Identification
Engine (JBB, JBA) with a working volume of 1.1 dm3	81 SF-9510-GA/ BA
Carburetor data
Air damper diameter	26/ 28 mm
Main fuel jet	90/ 122
Main air jet	185/ 130
emulsion tube	F113/ F75
idle speed	750±50 rpm
Accelerated idle speed	2500 rpm
CO content at idle	1,0 ± 0,5%
float adjustment	29±1mm
Opening temperature of the thermostatic valve with carburetor	28 ± 2° C