Matchless G80CS - Page 20

The inlet valve guide is shown withdrawn as also is the inlet valve stem
adjusting screw (with lock nut)
1
2
3
4
5
6
7
PLAIN HOLE, FOR OIL FEED TO INLET
VALVE.
TAPPED HOLE, TO ACCOMMODATE
CARBURETTER RETAINING STUD.
INLET PORT.
TAPPED HOLE, TO ACCOMMODATE
CARBURETTER RETAINING STUD.
HOLE, TO ACCOMMODATE DOWEL
LOCATING VALVE SPRING SEAT.
GUIDE, FOR INLET VALVE.
TAPPED HOLE, OR SPARKING PLUG.
8
9
10
11
12
13
14
PLAIN HOLE, FOR OIL FEED TO EXHAUST
VALVE.
HOLE, TO ACCOMMODATE DOWEL PIN
LOCATING VALVE SPRING SEAT.
GUIDE, FOR EXHAUST VALVE.
HEAD.
EXHAUST PORT.
NEEDLE SCREW, ADJUSTING OIL FEED
TO INLET VALVE.
LOCK NUT, FOR NEEDLE ADJUSTING
SCREW.
Illustration 5
18