Suzuki Wagon R Manual page 3941

6E4-12 ENGINE AND EMISSION CONTROL SYSTEM (Z10XEP AND Z12XEP ENGINES)
7) Remove injectors from fuel distributor pipe.
8) Remove injector seal rings (1).
Installation
1) Attach injectors as follows.
a) Install new injector seal rings.
b) Insert injectors.
c) Attach retaining clips.
CAUTION:
Note installation position. Groove in retaining bracket
must engage with projection on injector (arrow).
2) Install fuel distributor pipe.
Tightening torque
Fuel distributor pipe: 6 N·m (0.6 kg-m, 4.5 lb-ft)
3) Attach fuel line.
4) Connect injector couplers.
5) Install injector nozzle cover.
6) Install throttle body to intake manifold referring to "Throttle
Body Removal and Installation" in this section.