MOTO GUZZI GRISO 8V - 1200 Service Station Manual page 21

GRISO 8V - 1200
•
Thoroughly clean the upper surface of
both cylinders.
•
Place the tool on the left cylinder to de-
termine the "squish" (X).
•
Fasten the tool with the nuts of the stud
bolts.
Specific tooling
020676Y Dial gauge support for piston position
checking
•
Reset the micrometer on the cylinder rim.
•
Move the tool so that the micrometer feeler reaches the top point of the piston crown.
•
Take note of the measurement and, according to the values found, consult the chart at the
bottom of the page to decide the thickness of the gasket to be fitted between cylinder and
head.
•
Unlock crankshaft rotation.
•
Rotate the crankshaft by 90°until the right cylinder piston reaches the TDC.
•
Lock crankshaft rotation.
•
Place the tool on the right cylinder stud bolts to determine the "squish" (X).
Specific tooling
020676Y Dial gauge support for piston position checking
•
Repeat the same operations to determine the thickness of the left cylinder gasket between
cylinder and head also for the right cylinder.
Specification
Value (X) -0.56 / -0.37 mm (-0.022 / -0.0146 in)
Value (X) -0.37 / -0.19 mm (-0.0146 / -0.0075 in)
Value (X) -0.19 / 0 mm (-0.0075 / 0 in)
CYLINDER GASKET THICKNESS - HEAD
Desc./Quantity
gasket thickness: 0.65 mm (0.0256 in)
gasket thickness: 0.85 mm (0.0335 in)
gasket thickness: 1.05 mm (0.0413 in)
Characteristics
CHAR - 21