PIAGGIO Beverly 300ie - Service manual > Removing the cylinder head

Engine

N.B.

IF NEEDED, THE HEAD MAY BE REMOVED WITH THE CAMSHAFT, ROCKER PINS AND FIXING BRACKET. THE HEAD CAN ALSO BE REMOVED WITHOUT REMOVING THE CHAIN AND THE CRANKSHAFT CHAIN TENSIONER.

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Removing the valves

CAUTION

REPLACE THE VALVES IN SUCH A WAY AS TO RECOGNISE THEIR ORIGINAL POSITION ON THE HEAD.

Specific tooling
  020382Y011 adapter for valve removal tool
  020382Y Valve cotters equipped with part 012 removal tool
  020431Y Valve oil seal extractor

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Removing the cylinder - piston assy.

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Engine

CAUTION

TO PREVENT DAMAGING THE PISTON, SUPPORT IT WHILE REMOVING THE CYLINDER.

N.B.

BE CAREFUL NOT TO DAMAGE THE SEALING RINGS DURING REMOVAL.

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Inspecting the small end

N.B.

TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.

See also
Crankcase - crankshaft - connecting rod

Inspecting the wrist pin

N.B.

TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.

See also
Cylinder - piston assy.

Inspecting the piston

N.B.

TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.

See also
Cylinder - piston assy.

Inspecting the piston rings

N.B.

TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAPTER.

See also
Piston rings

Removing the piston

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S = left
D= right

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N.B.

THE TOOL FOR INSTALLING THE RETAINER RINGS MUST BE USED MANUALLY.

CAUTION

USING A HAMMER MIGHT DAMAGE THE STOPS' HOUSING.

Specific tooling
  020430Y Pin lock fitting tool

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Choosing the gasket

Specific tooling
  020475Y Piston position checking tool

Engine

N.B.

IF DEVIATIONS (OR RECESSES OR PROJECTIONS) CLOSE TO THE CHANGE OF CATEGORY ARE MEASURED, REPEAT THE MEASUREMENT AT THE OPPOSED SIDE. TO DO SO, REPEAT THE TOOL INSTALLATION BY INVERTING ITS POSITION.

See also
Slot packing system

Refitting the piston rings

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Engine

See also:

 PIAGGIO Beverly 300ie - Service manual > Removing the intake manifold

Undo the three screws with an anti-tampering device. Removing the rocker-arms cover Remove the five screws shown in the figure. Remove the entire head cover.

 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.

Maxi Scooters: