3-34 ENGINE TOP END
Cylinders and Pistons
.Install both the right and left orifices  on the crankcase
Replace the cylinder base gasket with a new one.
Olnstall the gasket with its "UP" mark [A] facing up.
Apply molybdenum disulfide oil to the front and back sur-
faces of the piston skirt and the inner wall of the cylinder.
. Slip the piston base [A] under the pistons to hold them
Tool- Piston Base, ljJ2.3:57001-1336
Compress the piston rings using the piston ring compres-
sor grips [A] and piston ring compressor belt, and install
Piston Ring Compressor Grip: 57001-1095
Piston Ring Compressor Belt, ljJ50
Insert the piston rings in the cylinder, and remove the pis-
ton ring compressor belts and the piston bases.
the cylinder so that its angles the piston angle.
. Since there is a difference in cylinder wear in different di-
rections take a side-to-side and a front-to-back measure-
ment at each of the three locations (total of six measure-
ments) shown in the figure.
10 mm [A]
40 mm 
20 mm [C]
*If any of the cylinder inside diameter measurements ex-
ceeds the service limit, replace the cylinder.
Cylinder Inside Diameter
66.005- 66.017 mm (2.5986- 2.5991 in.)
Service Limit: 66.10 mm (2.602 in.)