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
Dry with filter element Motorcraft EFA 248.
Thermostat
Opening temperature of the temperature regulator damper with carburetor: 28±2°C.
Motorcraft VV carburetor
The carburetor is vertical, with an automatic air damper, with coolant heating and an idle system solenoid valve.
| Identification | |
| Engine (GMA, GPA) with a working volume of 1.1 dm3 | 81 SF-9510-KAA |
| Engine (JPA) with a working volume of 1.3 dm3 | 81 SF-9510-KSA |
| Engine (LPA) with a working volume of 1.6 dm3 | 81 SF-9510-KFA/ KAA |
| Carburetor data | |
| Designation of the jet needle: | |
| – carburetor 81 SF-9510-KAA | FDA |
| – carburetor 81 SF-9510-KFA | FCX |
| Rod diameter for automatic start adjustment | 3.4mm |
| The diameter of the rod for adjusting the speed of rapid idling | 4.4mm (3.5 mm for 81 SF-9510-KFA) |
| Direction of rotation of the leash | counterclock-wise (clockwise for 81 SF-9510-KFA) |
| Thermostat damper opening temperature | 28 ± 2° C |
Weber-2V carburetor
The carburetor is vertical, with an automatic air damper with electric heating and an idle system solenoid valve.
| Carburetor data | |||
| Carburetor type | Weber 2V | Weber 2VDFTM | Weber 2VTLDM |
| Engine code | LUA | FUA | LUC |
| Carburetor designation | 81-SF-9510-AA | 81-SF-9510-FA | 81-SF-9510-AA/ BA |
| Throttle valve diameter, mm | 32/ 34 | 32/ 32 | 32/ 34 |
| Air damper diameter, mm | 24/ 25 | 21/ 23 | 21/ 23 |
| Main fuel jet | 112/ 125 | 102/ 125 | 117/ 127 |
| Main air jet | 160/ 150 | 200/ 165 | 185/ 125 |
| emulsion tube | F30/ F30 | F22/ F60 | F105/ F71 |
| Idle system jet | 50/ 60 | 42/ 60 | 50/ 60 |
| Idle speed, rpm | 800 ± 25 | 800 ± 50 | 800 ± 50 |
| Rapid idling, rpm | 2700 ± 100 | 2700 ± 100 | 1900 |
| CO content at idle, % | 1,25 ± 0,25 | 1,5 ± 0,25 | 1,5 ± 0,25 |
| Float adjustment, mm | 35 ± 0,5 | 8 ± 0,5 | 29 ± 0,5 |
| Air damper clearance, mm: | |||
| – with vacuum regulator | 5,5 ± 0,3 | 2,7 – 3,2 | max 4.5±0.5 |
| - in an intermediate position | 2,0 ± 0,5 | ||
| Thermostat damper opening temperature,°C | 28 ± 2 | 28 ± 2 | 28 |
K-Jetronic fuel injection system
| Idle speed, with the cooling fan on | 750 - 850 rpm |
| CO content | 1,0 – 1,5% |
CFI Central Fuel Injection
| idle speed | 900±50 rpm |
| Self-diagnostic idle speed | 1200±50 rpm |
| Pressure generated by the fuel pump | 3 bar |
| Coolant temperature sensor resistance at: | |
| – - 20°С | 271 kOhm |
| – 0°С | 95 kOhm |
| – 20°С | 37 kOhm |
| – 50°С | 11 kOhm |
| – 80°С | 4 kOhm |
| – 100°С | 2 kOhm |
| Intake air temperature sensor resistance at: | |
| – 0°С | 89 - 102 kOhm |
| – 20°С | 35 - 40 kOhm |
| – 40°С | 15 - 18 kOhm |
| – 60°С | 7 - 8.5 kOhm |
| – 100°С | 2 - 2.5 kOhm |
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