Refitting The Crankcase Halves; Main Bearings - PIAGGIO Liberty 125 Workshop Manual

Engine
- The bushing housings in the crankcase are classified into 2 categories - Cat. 1 and Cat. 2 - just like
those for the crankshaft.
3 - The main bushings are subdivided into 3 thickness categories; see the table below:
N.B.
DO NOT TAKE THE MEASUREMENT ON THE TWO HALF-SHELL COUPLING SURFACE SINCE
THE ENDS ARE RELIEVED TO ALLOW BENDING DURING THE DRIVING OPERATION.
Specification

Refitting the crankcase halves

- Fit the internal bulkhead by locking the two
screws to the prescribed torque.
Locking torques (N*m)
Locking torque
4 ÷ 6
- Fit the oil filter joint and tighten it to the prescribed
torque.
- Place a new gasket on one of the crankcase
halves, preferably on the transmission side, to-
gether with the locating dowels.
Locking torques (N*m)
Locking torque
27 ÷ 33
ENG - 114

MAIN BEARINGS

B
C
E
Liberty 125 - 200 4tempi
Desc./Quantity
Blue
Yellow
Green