vespa service: SHARP EDGES finger test | FMP - SolidPassion | 

sealing surface: check for sharp edges & round it with a file, to ensure that the case is gonna be tight.
closing an engine acc to piaggio manual:
1) sealing compound
2) green original gasket
3) fixed on the small half,
to ensure getting 1005 of the 1.5-2.5mm small weak spot
• THE ultimate VESPA eng...
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