Suzuki Wagon R Manual page 3858

ENGINE MECHANICAL (Z10XEP AND Z12XEP ENGINES) 6A4-31
12) Set 1st cylinder to TDC as follows.
a) Turn crankshaft until index of cylinder block and index of
crankshaft pulley (2) are aligned.
b) Remove closure bolt (1).
c) Insert special tool to closure bolt hole until flange of special
tool contact with cylinder block as shown in figure.
d) Insert special tool to grooves of intake and exhaust cam-
shafts.
NOTE:
Special tool (A) must engage in both camshaft grooves.
If impossible, turn crankshaft to 360 degree and insert
again.
Special tool
(A): 09912-38310
(B): 09919-58310
13) Remove special tools installed at step 12).
14) Remove crankshaft pulley (1) and crankshaft hub (2) as fol-
lows.
NOTE:
Do not rotate crankshaft in this procedure so as not to
shift the first cylinder from TDC.
a) Remove crankshaft pulley (1).
b) Install special tool (A) to crankshaft hub (2), and loosen
crankshaft hub bolt by holding special tool (A).
Special tool
(A): 09912-48310
c) Insert special tools as the same manner at step 12).
d) Remove crankshaft hub (2) from crankshaft.