Height At Which The Diameter Should Be Measured; Cylinder- Piston; Coupling Categories; Piston Rings - PIAGGIO MP3 400 i.e. Service Manual

Characteristics

HEIGHT AT WHICH THE DIAMETER SHOULD BE MEASURED

Specification
Specification
Cylinder diameter C
Piston Ø P
CYLINDER - PISTON
Name

Cylinder- Piston

Cylinder- Piston
Cylinder- Piston
Cylinder- Piston
CATEGORIES OF COUPLING
N.B.
THE PISTON MUST BE INSTALLED WITH THE ARROW FACING TOWARDS THE EXHAUST SIDE,
THE PISTON RINGS MUST BE INSTALLED WITH THE WORD «TOP» OR THE STAMPED MARK
FACING UPWARDS.

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.
CHAR - 10
A
B
CYLINDER- PISTON

COUPLING CATEGORIES

Initials Cylinder
A 85.790÷85.797
B 85.797÷85.804
C 85.804÷85.811
D 85.811÷85.818
MP3 400 i.e.
Desc./Quantity
43.2 mm
43 mm
Desc./Quantity
85.8 - +0.018 -0.01 mm
85.768 ± 0.014 mm
Piston Play on fitting
85.754÷85.761 0.029÷0.043
85.761 ÷ 85.768 0.029÷0.043
85.768÷85.775 0.029÷0.043
85.775÷85.782 0.029÷0.043