Removing The Valves - MOTO GUZZI BREVA - V850 Service Station Manual

BREVA - V850
• Remove the rocking levers and collect the three
washers.
See also
Removing the
head cover

Removing the valves

•
Remove the head.
•
Place the special tool on the upper cap
and at the centre of the head of the
valve to be removed.
Specific tooling
10.90.72.00 Tool for valve removal and refitting
•
Tighten the tool screw until fitted, and
then hit the tool head (where the upper
retainer works) with a mallet so that the
two cotters (1) get detached from the
upper retainer (2).
•
Once the two cotters (1) are detached,
screw these cotters until they can be
slid off the valve seats; unscrew the
tool and remove it from the head.
•
Remove the upper retainer (2).
•
Remove the internal spring (3).
•
Remove the external spring (4).
•
Remove the lower retainer (5) and the
shimming washers if necessary.
•
Remove the valve (6) from inside the
head.
Engine
ENG - 111