Removing The Valves - PIAGGIO MP3 400 i.e. Service Manual

MP3 400 i.e.
- Remove the two M6 screws into the distribution
channel and the M6 screw on the spark plug side
with the thermostat support.
N.B.
THE HEAD MAY BE REMOVED WITH THE CAMSHAFT, ROCKING LEVER PINS AND FITTING
BRACKET IF NECESSARY.
- Loosen the 4 head-cylinder fastening nuts in 2 or
3 times and in a crossed sequence.
- Remove the head, the 2 centring dowels, the
gasket and the lower chain guide sliding block.
N.B.
DO NOT REMOVE THE DOWELS IF THEY ARE
FORCED INTO THEIR SEAT.
CAUTION
WHEN YOU HAVE TO REMOVE THE HEAD, PREPARE A SUITABLE CONTAINER SINCE THE
THERMAL UNIT CONTAINS COOLANT.

Removing the valves

- Using the appropriate tool fitted with an adaptor,
remove the cotters, caps, springs and valves.
Specific tooling
020382Y Valve cotters equipped with part 012
removal tool
020382Y012 bush (valve removing tool)
CAUTION
ARRANGE THE VALVES SO AS TO RECOGNISE THE ORIGINAL POSITION ON THE HEAD (FLY-
WHEEL SIDE AND TRANSMISSION SIDE).
Engine
ENG - 53