Removing The Valves - Gilera 633721 Workshop Manual

Engine

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).
- Remove the oil guards using the special tool.
Specific tooling
020431Y Valve oil seal extractor
- Remove the spring supports.
N.B.
BLOW THE SEATS WITH COMPRESSED AIR TO FACILI-
TATE THE SPRING SUPPORT REMOVAL.
ENG - 138
Nexus 500 euro 3