Head Unit; Removing The Head; Removing The Cylinder - APRILIA Quasar 50 Manual

QUASAR 50-100
FOREWORD
The engine must be on the workbench for disassembly. Operations that can
be done without removing the engine from the frame will be indicated by a
note.
The manufacturer assumes no responsibility for damage resulting from
the use of unsuitable tools for the removal and refitting of the engine or
any part of it.
3.2

HEAD UNIT

3.2.1

REMOVING THE HEAD

IMPORTANT
When the engine is in place, the cylinder head can be exposed
by removing the cylinder air scoop guard, see 6.1.9 (REMOVING THE AIR
SCOOP GUARD).
Unscrew and remove the spark plug (1).
Spark plug torque (1): 20 Nm (2.0 kgm).
Undo and remove the four nuts (2) in diagonal order.
Remove the head (3).
IMPORTANT
When refitting replace the head gasket (4).
3.2.2

REMOVING THE CYLINDER

Remove the head, 3.2.1 (REMOVING THE HEAD).
Withdraw the cylinder (1) from the stud bolts.
IMPORTANT
When refitting replace the cylinder gasket (2).
Release 00/2003 - 06
2
3
2
ENGINE
1
4
2
1
3
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