| Design | two-stage downdraft carburetor |
| Inlet diameter: | |
| - 1st step | 30.0 mm |
| - 2nd stage | 34.0 mm |
| Diffuser diameter: | |
| - 1st step | 23.5 mm |
| - 2nd stage | 29 mm |
| Main nozzle: | |
| — 1st stage — stepped gearbox: | |
| 1.6 titers | 1.10 mm |
| 1.8 liters | 1.14 mm |
| — 1st stage — automatic transmission: | |
| 1.6-liter engine | 1.10 mm |
| 1.8-liter engine | 1.12 mm |
| - 2nd stage | |
| Main air nozzle: | |
| — 1st stage — stepped gearbox: | |
| 1.6 liters | 0.60 mm |
| 1.8 liters | 0.55 mm |
| — 2nd stage automatic transmission: | |
| 1.6-liter engine | 0.60 mm |
| 1.8-liter engine | 0.60 mm |
| - 2nd stage | 0.50 mm |
| Idle jet: | |
| - 1st step | 0.48 mm (1.6 liters); 0.46 mm (1.8 liters) |
| - 2nd stage | 1.00 mm (1.6 liters); 1.10 mm (1.8 liters) |
| Idle air injector: | |
| — 1st step, No. 1 | 0.80 mm |
| - 1 step, No. 2 | 1.90 mm |
| — 2nd stage, No. 1 | 1.00 mm (1.6 liters); 0.80 mm (1.8 liters) |
| — 2nd step #2 | 0.50 mm |
| High-power injector | 0.50 mm |
| Float level | see chapter 5 |
| Idling: | |
| - with a stepped gearbox | 860±50 rpm |
| — with automatic transmission: | |
| — 1.6 liters | 950+50 rpm |
| — 1.8 liters | 900+50 rpm |
| CO content | 2.0±0.5%, all engines |
| Adjusting the idle speed (clearance between the throttle valve and the hole): | |
| — 1.6 liters | 1.40-1.76 mm |
| — 1.8 liters — manual transmission | 0.48-0.64 mm |
| — 1.8 liters — automatic transmission | 0.56-0.72 mm |
Fuel system — carburetor-fe and f8-engine (Mazda Capella GD)
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This text was checked by: Georgy Afanasyev
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