PIAGGIO MP3 400 i.e. - Refitting the Head and Timing System Components

- Measure the inside diameter of each rocking lev-
er.
Characteristic
Standard diameter:
13 + 0.026 +0.015 mm
- Check that the cam contact sliding block and the articulated register plate is free from wear.
- In case of wear, replace the component.
Refitting the head and timing system components
- Insert the chain guide sliding block.
- Insert the two centring dowels between head and
cylinder.
- Install the head gasket.
N.B.
THE FIGURE SHOWS THE INSERTION POSITION OF THE TWO CENTRING DOWELS BETWEEN
HEAD AND CYLINDER. THE DIRECTION OF INSTALLATION FOR THE GASKET IS FORCED BY
THE DOWELS.
- The head gasket is made of steel and has a
standard thickness.
MP3 400 i.e. Engine
ENG - 69