Measure cylinder bores as shown on page 7-16. lf the
block is to be reused, hone the cylinders and remea-
sure the bores.
Hone cylinder bores with honing oil 8nd a fine (400
grit) stone in a 60 degree cross-hatch pattern.
Use only a rigid hone with 400 grit or finer stone
such as Sunnen, Ammco, or equivalent.
Do not use stones lhat are worn or broken.
W h e n h o n i n g i s c o m p l e t e , t h o r o u g h l y c l e a n t h e
engine block of all metal particles. Wash the cylin-
der bores with hot soapY water, then dry and oil
immediately to prevent rusting.
NOTE: Never use solvent. it will only redistribute the
grit on the cylinder walls.
lf scoring or scratches are still present in cylinder
bores after honing to the service limit, rebore the
NOTE: Some light vertical scoring and scratching is
acceptable if it is not deep enough to catch your fin-
gernail and does not run the full length of the bore.
. After honing, clean the cylinder thoroughly with
. Onlv a scored or scratched cylinder bore must be
Assemble the special tool as shown.
PISTON BASE HEAD
07973 - SBtx)too
PISTON PIN BASE
01973 - PE00'0)
p t n
NOTEi Us6 a hydraulic press.
When pressing the pin in or out.
make sure that the recesssd
portion of the piston aligns
with the lips on the collar.
2. Assemble and adjust the length of the piston
driver and shaft to 53 mm (2.1 inl as shown.
PISTON PIN DRIVER HEAD
07973 - PE00320
0t973 - PEqr310
07973 - PE00200
Place the piston on the sp€cial tool and press the
pin out with the special tools and a hydraulic press.
Emboss6d mark facing up
7 - 1 7