Suzuki Grand Vitara XL-7 Service Manual page 242

6A3-44 ENGINE MECHANICAL (RHZ ENGINE)
INSPECTION
Cylinders
D Inspect cylinder walls for scratches, roughness, or ridges which
ASSEMBLY
1) Install piston pin to piston (1) and connecting rod (2):
5. Crankshaft pulley side
2) Install piston rings to piston:
"TOP"
"TOP"
3) After installing three rings (1st, 2nd and oil rings), distribute their
1. Arrow mark
2. 1st ring end
gap
3. 2nd ring end
gap and oil ring
spacer gap
4. Oil ring rail gap
5. Manifold side
6. Oil filter side
indicate excessive wear. If cylinder bore is very rough or deeply
scratched, or ridged, rebore cylinder.
After applying engine oil to piston pin and piston pin holes in pis-
ton and connecting rod, fit connecting rod to piston so that bear-
ing lock tab (3) and arrow mark (4) come on the same side and
insert piston pin to piston and connecting rod, and install piston
pin circlips.
D As indicated in figure at the left, 1st and 2nd rings have "TOP"
mark respectively. When installing these piston rings to piston,
direct marked side of each ring toward top of piston.
D 1st ring (1) differs from 2nd ring (2) in thickness, shape and col-
or of surface contacting cylinder wall.
Distinguish 1st ring from 2nd ring by referring to figure.
D When installing oil ring (3), install spacer first and then rail.
end gaps as shown in figure.