Aprilia Consumer Service Spa
Technical Service and Training
Release 4 july 99
This material is didactic and
may be changed following the technical
development of the product
1. FIXING CRANKSHAFT
1.1 REMOVE THE SCREW INDICATED WITH
THE ARROW – CLUTCH SIDE
1.2 INSERT FIXING SCREW,AFTER
REACHING THE TDC OF THE
REQUESTED CYLINDER
1.3 DETAIL OF THE FIXING POINTS ON THE
CRANKSHAFT
ATTENTION !!!
THE TIMING SETTING OF EACH CYLINDER MUST
BE DONE AFTER POSITIONING THE FIXING
SCREW ON THE RESPECTIVE T.D.C. (TOP DEAD
CENTER) POINT.
FIRST SET THE ALIGNEMENT OF THE CYLINDER
# 2 AND THEN THE ALIGNEMENT OF CYLINDER
#1.
AFTER SETTING THE ALIGNEMENT OF CYLINDER
#2 ROTATE THE CRANKSHAFT OF 420° DEGREES
AND THEN SET THE ALIGNEMENT OF CYLINDER
#1.