Note: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold
Ignition system
| Design | works with the appropriate power supply system |
| Ignition sequence | 1 — 3 — 4 — 2 |
| Ignition timing - carburetor engine: | |
| 2±2° before TDC, tighten and plug the distributor vacuum hose (without catalyst) or vacuum hose of the vacuum booster (with catalyst) |
| 10±5° before TDC, vacuum hose remains connected to distributor (without catalyst) or the vacuum hose is connected to the vacuum booster (with catalyst) |
Spark plugs | |
| |
| Champion RC9YCC or NGK6EY |
| Champion RC9YCC or NGKBKR5EY |
| Distance between electrodes | 0.8 - 0.9 mm |
| Thread size | M14 |
| Thread length | 19 mm |
| Hex size | 16 mm |
| Ignition coil | |
| 12V |
| about 1.0 Ohm |
| about 10.0 kOhm |
Charging and starting system
| Battery | |
| 12 V |
| negative mass |
| 9 Ah or 65 Ah depending on the version |
| Generator | Manufacturer |
| Magnetti-Marelli, A127/67 |
| Bosch KC14V 45 - 80 A |
| Regulating switch | installed in the generator |
| Nominal voltage | 12 V |
| Nominal power | 67A/12V (1.6L), 80A/12V (2.0L) |
| Start charging | 1200 rpm (1.6 l), 1000 rpm (2.0 l) |
| Current delivered: | |
| more than 48 A at 2500 rpm |
| more than 80 A at 6000 rpm |
| Minimum length of brushes | more than 5.0 mm (1.6), 10 mm (2.0) |
| Brush spring force: | |
| 1.1 - 2.7 kg |
| 1.9 kg |
| External diameter of slip rings: | |
| 25.40 mm |
| 15.3 mm |
| Adjustable voltage | 13.6 - 14.6 V (1.6 L) |
| Starter | Manufacturer |
| Magnetti-Marelli, M79/1.0 |
| Magnetti-Marelli, M78/1.4 |
| Nominal power | 1.0 kW (1.6 l), 1.4 kW (2.0 l) |
| Voltage | 11.5 V |
| Current consumption | less than 75 A (1.6 l), 78 A (2.0 l) |
| Speed | more than 6200 rpm (1.6 l), 3000 rpm (2.0 l) |
| Collector outer diameter | 28.8 mm |
| Minimum length of brushes | 3.5 mm (1.6 l), 5 mm (2.0 l) |
| Brush spring force: | |
| 1.51 - 2.45 kg |
| 1.46 - 2.57 kg |
Tightening forces of threaded connections
Tightening torques for fasteners are given in the text of the Chapter and in some illustrations*.
* Tightening torques highlighted in bold in the text must be strictly observed; efforts not shown in bold are only approximate.
Spark plugs | 20 - 30 Nm |