APRILIA PEGASO 650 STRADA Service Station Manual page 128

Engine
BEFORE REMOVING THE CYLINDER HEAD COMPONENTS (VALVES, VALVE SPRINGS, VALVE
SEATS), MAKE SURE THAT THE VALVES ARE PROPERLY CLOSED AND SEALED.
CAUTION
WHEN REMOVING THE COMPONENTS, MARK THE POSITION OF EACH PART VERY CARE-
FULLY IN ORDER TO PLACE THEM IN THEIR ORIGINAL POSITION UPON FITTING.
•
Use the valve springs compressor and
the valve springs compressor adaptor
to remove the valve cotters.
Specific tooling
AP8140179 Valve spring compressor
AP0276474 Valve spring compressor adaptor
•
Remove the valve spring retaining el-
ement.
•
Remove the valve spring.
•
Remove valve stem oil seal (1) and the
valve spring (2) seat.
ENG - 128
PEGASO 650 STRADA - TRAIL - FACTORY