3-24
11. With the timing inspection plug removed and the
chains held tight, rotate the crankshaft until the
front piston is at top-dead-center.
12. With the alignment pin installed in the camshaft,
loosely place the cam sprocket (with the recessed
side facing the cam shaft lobes) onto the camshaft.
At this point, do not “seat” the sprocket onto the
shaft.
732-307B
GZ130
NOTE: At this point, oil the camshaft bearings,
cam lobes, and the three seating journals on the
cylinder.
13. With the cam lobes directed down (toward the pis-
ton), maneuver the camshaft/sprocket assembly
through the chain and towards its seating position;
then loop the chain over the sprocket.
NOTE: Note the position of the alignment marks
on the end of the camshaft. They must be parallel
with the valve cover mating surface. If rotating the
camshaft is necessary for alignment, do not allow
the chain and sprocket to rotate and be sure the
cam lobes end up in the down position.
GZ190A
14. Seat the cam sprocket onto the camshaft making
sure the alignment pin in the camshaft aligns with
the smallest hole in the sprocket; then place the
camshaft/sprocket assembly onto the cylinder
ensuring the following.
GZ190B
A. Piston still at top-dead-center.
B. Camshaft lobes directed down (toward the pis-
ton).
C. Camshaft alignment marks parallel to the valve
cover mating surface.
D. Recessed side of the sprocket directed toward
the cam lobes.
E. Camshaft alignment pin and sprocket alignment
hole (smallest) are aligned.
15. Place the tab-washer onto the sprocket making
sure it covers the pin in the alignment hole.
! CAUTION
If any of the above factors are not as stated, go back to
step 11 and carefully proceed.
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