Removing The Cylinder Head - PIAGGIO MSS Fly 50 4T Workshop Manual

MSS Fly 50 4T
020450Y Camshaft fitting/removal tool
004499Y Camshaft bearing extractor
004499Y001 Bearing extractor bell
004499Y002 Bearing extractor screw
004499Y006 Bearing extractor ring
004499Y027 Bearing extractor part
- Pull out the rocking lever bolt operating on the
flywheel hole and remove the rocking levers at the
same time.
N.B.
MARK THE ASSEMBLY POSITION OF THE ROCKING LEV-
ERS IN ORDER TO AVOID MISPLACING THE INTAKE AND
DISCHARGE ENDS.

Removing the cylinder head

- Remove the cooling covers, the timing control,
the camshaft and the rocking levers.
- Remove the spark plug.
- Remove the 2 side fixings shown in the figure.
- Loosen the 4 head-cylinder fastening nuts in two
or three stages and in criss-cross fashion.
- Remove the head, the two centring dowels and
the gasket.
N.B.
IF NEEDED, THE HEAD MAY BE REMOVED WITH THE
CAMSHAFT, PINS AND ROCKING LEVERS WITHOUT RE-
MOVING THE DRIVING PULLEY UNIT. REMEMBER TO
HOLD THE TIMING CHAIN WITH A PIECE OF METAL CA-
BLE AND TO ADJUST THE CHAIN TIGHTENER UPON RE-
FITTING.
Engine
ENG - 85