138
GZ151
GZ161
12. If the remaining cylinder head is to be serviced,
apply tension to the loose timing chain and rotate the
second cylinder to top-dead-center of the compres-
sion stroke; then repeat steps 2-11 on the other cylin-
der head.
C. Cylinders
D. Pistons
NOTE: Steps 1-12 in the preceding sub-section
must precede this procedure.
13. Remove the cap screws securing the water hose
union to the cylinder; then remove the union from
the cylinder. Account for an O-ring.
GZ140A
14. Remove the two nuts securing the cylinder to the
crankcase.
GZ141A
GZ160A
15. Lift the cylinder off the crankcase taking care not to
allow the piston to drop against the crankcase.
Account for the gasket and two alignment pins.
GZ142
AT THIS POINT
To service valves and cylinder head, see Servicing
Top-Side Components sub-section.
AT THIS POINT
To inspect cam chain guide, see Servicing Top-Side
Components sub-section.