Suzuki GA413 Service Manual page 477

1. O-ring 3. Cushion
2. Grommet 4. Injector
INSTALLATION
1) Replace injector O-ring with new one using care not to damage
it. Install grommet to injector.
2) Check if cushion is scored or damaged. If it is, replace with new
one.
Install insulators and cushions to intake manifold.
3) Apply thin coat of fuel to O-rings and then install injectors into
delivery pipe and intake manifold.
Make sure that injectors rotate smoothly. If not, probable cause
is incorrect installation of O-ring. Replace O-ring with new one.
4) Tighten delivery pipe bolts and make sure that injectors rotate
smoothly.
Tightening Torque
.
(a): 23 N m (2.3 kg-m, 17.0 lb-ft)
5) Connect connectors to injectors securely.
6) Connect battery negative cable.
7) Turn ignition switch ON position to operate fuel pump and after
3 seconds turn it OFF. Repeat this 3 or 4 times and then check
for fuel leakage.
ENGINE AND EMISSION CONTROL SYSTEM 6E-67