Suzuki Wagon R Manual page 3877

6A4-50 ENGINE MECHANICAL (Z10XEP AND Z12XEP ENGINES)
Removal
1) Remove engine assembly from engine compartment refer-
ring to "Engine Assembly Removal and Installation" in this
section.
2) Remove exhaust and intake camshafts referring to "Cam-
shaft Removal and Installation" in this section.
3) Remove exhaust manifold referring to "Exhaust Manifold
Removal and Installation" in this section.
4) Remove intake manifold referring to "Intake Manifold
Removal and Installation" in this section.
5) Remove oil filter housing (1).
6) Loosen cylinder head bolts (1) according to numerical order
("1" to "12") (Z12XEP) or ("1" to "10") (Z10XEP) as shown in
figure a little at a time, and remove them.
7) Check all around cylinder head for any other parts required
to be removed or disconnected.
8) Remove cylinder head and cylinder head gasket.
9) Remove knock pins, if necessary.
[A]: For Z12XEP engine
[B]: For Z10XEP engine