PIAGGIO Beverly 500 i.e. - Piston Rings; Crankcase - Crankshaft - Connecting Rod

Piston rings
* Fit rings «2» and «3» with the word «TOP» facing upwards.
** Position the openings in the rings as shown here.
*** Value «A» of sealing ring inside the cylinder
**** Ring opening
SEALING RINGS
Name
Initials Cylinder Piston Play on fitting
1st Compression ring A 0.15 ÷ 0.35 0.5 </>
Middle piston ring A 0.25 ÷ 0.50 0.65 </>
Oil scraper ring A 0.25 ÷ 0.50 0.65 </>
Crankcase - crankshaft - connecting rod
Diameter of crankshaft bearings.
Measure the bearings on both axes x-y.
CRANKSHAFT
Specification
Desc./Quantity
Cat. 1 Standard diameter: 40.010 ÷ 40.016
Cat. 2 Standard diameter: 40.016 ÷ 40.022
Beverly 500 i.e. Characteristics
CHAR - 13