Inspecting The Cam Shaft - PIAGGIO MP3 400 hpe E5 2021 Service Manual

MP3 400 hpe E5
Inspecting the springs and half-cones
- Check that the upper and lower supporting spring
washers, the cotters and the oil seal show exhibit
no signs of abnormal wear. Replace a component
when worn.
N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
Refitting the valves
- Lubricate the valve guides with engine oil.
- Place the valve spring supports on the head.
- Using the special punch, fit the four valve seal
rings.
- Fit the valves, the springs and the caps. Using
the appropriate tool with adapter, compress the
springs and insert the cotters in their seats.
N.B.
DO NOT CHANGE THE VALVE FITTING POSITION. FIT THE
VALVE SPRINGS WITH THE REFERENCE COLOUR ON
COTTER SIDE (TURNS WITH GREATER PITCH).
Specific tooling
020306Y Punch valve seal rings fitting
020382Y Valve cotters equipped with part 012
removal tool
020382Y012 bush (valve removing tool)

Inspecting the cam shaft

N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP-
TER.
Engine
ENG - 101