Inspecting The Piston - VESPA GT 125 Workshop Manual

Vespa GT 125-200

Inspecting the piston

- Carefully clean the seal housings.
- Measure the coupling clearance between the
seal rings and the grooves using suitable sensors,
as shown in the diagram.
- If the clearance is greater than that indicated in
the table, replace the piston.
Engine
ENG - 135