Suzuki SY413 Service Manual page 3236

1. Insulator
2. Grommet
3. O-ring
4. Cushion
ELECTRONIC FUEL INJECTION SYSTEM (J18 ENGINE WITHOUT WU TWC) 6E3-75
9) Check fuel leakage from injector nozzle. Do not operate injector
1. Injector
2. Vinyl tube
for this check (but fuel pump should be at work).
3. Less than one fuel
drop/min
If fuel leaks more than the following specifications, replace.
4. Graduated cylinder
Fuel leakage: Less than 1 drop/min.
INSTALLATION
1) Replace injector O-ring with new one using care not to damage
it. Install grommet to injector.
2) Check if insulator 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.
5) Connect couplers to injector securely and clamp injector wire.
6) With engine "OFF" and ignition switch "ON", check for fuel leaks
around fuel line connection.
1. O-ring.
2. Grommet
3. Delivery pipe bolt