Removing The Piston; Specific Tooling - VESPA LX 150 4T Euro 3 Service Station Manual

Vespa LX 125 - 150 4T Euro 3
Name
Top piston ring
Middle piston ring
oil scraper
MAXIMUM ADMITTED CLEARANCE AFTER USE
Name
Top piston ring
Middle piston ring
oil scraper

Removing the piston

- Install piston and wrist pin onto the connecting
rod, aligning the piston arrow the arrow facing to-
wards the exhaust.
- Fit the pin retainer ring onto the appropriate tool.

Specific tooling

020430Y Pin lock fitting tool
- With the opening in position indicated on the tool,
take retainer ring in the closed position using the
punch.
- Fit the pin retainer ring using the plug as shown
in the figure
N.B.
THE TOOL FOR INSTALLING THE RETAINER RINGS MUST
BE USED MANUALLY.
CAUTION
USING A HAMMER TO POSITION THE RINGS CAN DAM-
AGE THE LOCKING HOUSING.
STANDARD COUPLING CLEARANCE
Description Dimensions
0.025 - 0.070
0.015 - 0.060
0.015 - 0.060
Description Dimensions
0.080 mm
0.070 mm
0.070 mm
Initials Quantity
Initials Quantity
ENG - 101
Engine