Vittorazi Motors Moster 185 Plus Maintenance Manual page 133

Replace the oil seal (12) each time it is disassembled.
Insert the part A of the specific tool [] on the crankshaft.
Grease the oil seal (12) with FP Silicompound 225 and place it on the on the crankshaft using the
part B to insert it.
Remove the part B and A.
Moster 185 Plus - Maintenance manual - V1 133