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PIAGGIO Beverly 400 E5 - Page 42

PIAGGIO Beverly 400 E5
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Slot packing system
Characteristic
Compression ratio
11,5 ± 0,5 :1
Measurement "A" to be taken is a value of piston re-entry, it indicates by how much the plane formed
by the piston crown falls below the plane formed by the top of the cylinder. The further the piston falls
inside the cylinder, the less the base gasket to be applied (to recover the compression ratio) and vice
versa.
N.B.
MEASUREMENT "A" MUST BE TAKEN WITHOUT ANY GASKET FITTED BETWEEN THE CRANK-
CASE AND CYLINDER AND AFTER RESETTING THE DIAL GAUGE, EQUIPPED WITH A SUP-
PORT, ON A GROUND PLANE
ENGINE 400 SHIMMING
Name Measure A Thickness
Shimming 0.475 ÷ 0.575 mm 0.2 mm
Shimming 0.325 ÷ 0.475 mm 0.3 mm
Shimming 0.225 ÷ 0.325 mm 0.4 mm
Technical Data Beverly 400 E5
DT - 42

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