PIAGGIO MSS Fly 50 4T User Manual

Inspecting the springs and half-cones
- Check that the upper spring caps and the cotter
halves show no signs of abnormal wear.
Refitting the valves
- Lubricate the valve guides with graphite grease.
- Place the lower plates of the valve spring on the
head.
- Use the punch to fit the 2 sealing rings one at a
time.
Specific tooling
020306Y Punch for assembling valve sealing
rings
- Fit the valves, the springs and the upper caps.
- Using the appropriate tool, compress the springs
and insert the cotters in their seats.
Inspecting the cam shaft
- Inspect the cam shaft for signs of abnormal wear
on the cams.
Characteristic
Standard diameter - Bearing A:
Ø 12 +0.002 +0.010
mm Standard diameter - Bearing B:
Ø 16-0.015 -0.023 mm
Minimum diameter allowed - Bearing A:
Engine MSS Fly 50 4T
ENG - 98

PIAGGIO MSS Fly 50 4T Specifications

General

Brand	PIAGGIO
Model	MSS Fly 50 4T
Category	Scooter
Language	English