136
GZ027
GZ026
NOTE: Timing marks on the rotor/flywheel are
stamped with an “F” (front cylinder) and “R” (rear cyl-
inder) adjacent to the mark.
GZ063
GZ059
2. Remove the tappet covers on the cylinder being ser-
viced. The tappets should not have pressure on them.
3. Loosen the cap screws securing the valve cover to
the head.
GZ126A
4. Remove all cap screws except the two top-side cap
screws next to the spark plug. These will keep the
alignment pins in place. Note the two rubber washers
on the remaining cap screws.
5. Remove the valve cover. Account for and note the
orientation of the cylinder head plug. Note the loca-
tion of the two alignment pins.
GZ162
GZ132A
6. Remove the cap screw on the end of the tensioner;
then using a flat-blade screwdriver, turn the tensioner
clockwise to remove the tension. Remove the two
cap screws securing the tensioner adjuster assembly
and remove the assembly. Account for a gasket.
