PIAGGIO Fly 150 4T User Manual

Inspecting the timing system components
- Check that the guide shoe and the tensioner shoe
are not worn out.
- Ensure that the camshaft drive pulley, the chain
assembly and the sprocket wheel are not worn.
- If sings of wear are found, replace the parts. if the
chain, pinion or pulley are worn, replace the whole
assembly.
- Remove the central screw and the tensioner
spring. Check that the one-way mechanism is not
worn.
- Check the condition of the tensioner spring.
- If examples of wear are found, replace the whole
assembly.
Inspecting the valve sealings
- Measure the width of the sealing surface on the valve seats.
VALVE SEAL SURFACE
Specification Desc./Quantity
Inlet valve - seal surface 2.4 ÷ 2.8 mm
Outlet valve - seal surface 2.2 ÷ 2.6 mm
Inspecting the valve housings
- Remove any carbon formation from the valve guides.
- Measure the inside diameter of each valve guide.
- Take the measurement at three different heights in the rocker arm push direction.
Engine Fly 125 - 150 4T
ENG - 114

PIAGGIO Fly 150 4T Specifications

General

Brand	PIAGGIO
Model	Fly 150 4T
Category	Scooter
Language	English