Removal of engine flywheel

Rotate the crankshaft so that the first and fourth piston is at B.D.C.

1. Unscrew the fastening screws and remove the first and fourth cylinder rod caps.
2. Recover the rod bearing halves.

• Rotate the engine block by 90° on the overhauling stand.

1. Remove the piston-rod assembly of the first and fourth cylinders.
2. Recover the rod bearing halves.

• Rotate the engine block and repeat the procedure for the second and third cylinders.

1. Using a suitable tool extract the seal rings and oil scraper ring from the piston.

During refitting rotate the seal rings so that the wording "TOP", stamped on the rings themselves, faces upwards.

1. Extract the two elastic rings which block the grudgeon pin.
2. Extract the grudgeon pin and separate the piston from the rod.

During refitting, follow the precautions contained in the relative paragraph.

Removal of engine flywheel

1. Remove the tool used to rotate the crankshaft, installed previously, from the flywheel.
2. Install the flywheel stop tool N° 1.820.228.000.
3. Unscrew the fastening screws and remove the engine flywheel.
4. Recover the safety washer.

• Remove the flywheel stop tool.

During reassembly, bring the first and fourth cylinders to the T.D.C., install the flywheel ensuring that the notch faces upwards.

21 ÷ 149 Nm
12.3 ÷ 15.2 kgm