Suzuki RA410 Manual page 435

6E1-70 ENGINE AND EMISSION CONTROL SYSTEM
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2
9) Check fuel leakage from injector nozzle. Do not operate injector
for this check (but fuel pump should be at work). If fuel leaks
more than following specification, replace injector.
Fuel leakage: Less than 1 drop/min.
INSTALLATION
1) Replace injector O-ring (1) with new one using care not to dam-
age it. Install grommet (2) to injector.
2) Install new cushions (3) to intake manifold.
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3) Apply thin coat of fuel to O-rings (1) and then install injectors (2)
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.
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5) Connect connectors to injector securely and clamp injector
2
wire.
6) With engine stopped and ignition switch at ON position, check
for fuel leaks around fuel line connection.