Main characteristics
| Type | 4-cylinder, in-line, overhead valves |
| Engine code | C1E |
| Cylinder bore diameter | 70.0 mm |
| Piston stroke | 72.0 mm |
| Working volume | 1108 cm³ |
| Cylinder firing order | 1-3-4-2 (cylinder No. 1 from the flywheel side) |
| Direction of crankshaft rotation | Clockwise (when viewed from the pulley side) |
| Compression ratio | 8.8: 1 |
| Maximum output power | 35 kW (49 hp) at 5250 rpm |
| Maximum torque | 78 Nm at 2500 rpm |
Valve clearances
| Cold: Inlet valve | 0.15 mm |
| Exhaust valve | 0.20 mm |
| Hot: Inlet valve | 0.18 mm |
| Exhaust valve | 0.25 mm |
Lubrication system
| System pressure: At idle | 0.7 bar |
| At 4000 rpm | 3.5 bar |
| Oil pump type | With two gears, or two-rotor |
| Oil pump clearances: With two gears: Between gear and housing (maximum) | 0.20 mm |
| Twin-rotor: Between the inner and outer rotors (in the center of the protrusions) | 0.04 - 0.29 mm |
Tightening torques Nm
| Rocker arm axle | 15-20 |
| Camshaft sprocket | 30 |
| Crankshaft Sprocket/Pulley: Bolt length 40 mm | 80 |
| Bolt length 45 mm | 110 |
| Connecting rod bearing caps | 45 |
| Main bearing caps | 55 - 65 |
| Flywheel (use new bolts and locking compound) | 50 |
| Cylinder head mounting bolts: Stage 1 | 55 - 65 |
| Stage 2 | Run the engine for 20 minutes, then let it cool for 2.5 hours |
| Stage 3 (see Chapter 6) | Loosen bolt 1 completely, then tighten: 55 - 65 |
| Stage 4 | Loosen and tighten the remaining bolts one by one to Stage 3 torque |