Suzuki WagonR+ RB310 Service Manual page 805

6A2-70 ENGINE MECHANICAL (M13 ENGINE)
b) Force piston pin out.
Assembly
1) Decarbonize piston head and ring grooves using a suitable
tool.
2) Install piston pin to piston (1) and connecting rod (2):
a) After applying engine oil to piston pin and piston pin holes
in piston and connecting rod.
b) Fit connecting rod as shown in figure.
c) Insert piston pin to piston and connecting rod.
d) Install piston pin circlips (3).
NOTE:
Circlip should be installed with its cut part facing as
shown in figure. Install so that circlip end gap comes
within such range as indicated by arrow.
3) Install piston rings to piston:
a) As indicated in figure, 1st and 2nd rings have "T" mark
respectively. When installing these piston rings to piston,
direct marked side of each ring toward top of piston.
b) 1st ring (1) differs from 2nd ring (2) in thickness, shape and
color of surface contacting cylinder wall.
Distinguish 1st ring from 2nd ring by referring to figure.
c) When installing oil ring (3) install spacer first and then two
rails.
4) After installing three rings (1st, 2nd and oil rings), distribute
their end gaps as shown in figure.
1. Arrow mark
2. 1st ring end gap
3. 2nd ring end gap and oil ring spacer gap
4. Oil ring upper rail gap
5. Oil ring lower rail gap