PIAGGIO Beverly 300ie - Service manual > Refitting the cylinder
N.B.
BEFORE FITTING THE CYLINDER, CAREFULLY BLOW OUT THE LUBRICATION DUCT AND OIL THE CYLINDER LINER.
- Check the position of the alignment dowels and dowel pin and fit a gasket with a thickness previously determined.
- Using the specific tool fit the cylinder paying attention that the chain does not remain in the timing system compartment.
Specific tooling
020426Y Piston fitting fork
020393Y Piston assembly band
Inspecting the cylinder head
N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.
See also
Cylinder Head
Inspecting the timing system components
- Check that the guide slider and the tensioner slider are not worn out.
- Ensure that the camshaft control pulley chain assembly and the sprocket wheel are not worn.
- If you detect wear, replace the parts or, if the chain, sprocket wheel and pulley are worn, replace the whole unit.
- Remove the centre screw with the washer 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 unit.
Inspecting the valve sealings
N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.
See also
Cylinder Head
Inspecting the valves
N.B.
TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.
See also
Cylinder Head
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 CHAPTER.
See also
Cylinder Head
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 POSITIONS THE VALVES ARE FITTED IN FIT THE VALVE SPONGES WITH THE REFERENCE COLOUR ON COTTER SIDE (TURNS WITH GREATER PITCH).
Specific tooling
020306Y Punch for assembling valve seal rings
020382Y011 adapter for valve removal tool
020382Y Tool to extract valve cotters
See also:
PIAGGIO Beverly 300ie - Service manual > Removing the cylinder head
Undo the two screws "1" fixing the head to the transmission-side crankcase half. Unscrew the four nuts "2" by loosening them in two or three stages and in a crossed sequence. Remove the head.
PIAGGIO Beverly 300ie - Service manual > Inspecting the cam shaft
N.B. TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER. See also Cylinder Head Refitting the head and timing system components
