Gilera Runner Purejet 2007, Workshop Manual, Page: 178 / 257

GO TO point 26
N.B.
A NOTICEABLE PRESSURE LOSS WHICH OCCURS ONLY AFTER A FEW HOURS IS NORMAL.
26. When the fuel supply system is working effec-
tively, it is possible to carry out the hydraulic check
of the fuel injector.
Remove the injector mounting from the engine.
Install the fuel pressure diagnostic kit between the
supply line and the mounting inlet fitting.
Using a length of fuel line, connect the outlet fitting
to the tank.
Install the interface wiring omitting the ECU at-
tachment.
Jump pins 14 - 1 and activate the pump by turning
the key-switch onto «ON».
Let the system bleed and ensure the injector is
leak-free.
Max allowed = oozes, no drip before 15 sec-
onds.
NO point 27 YES point 28
27. If leaks are found from the injector or its O-
Ring, these should have been spotted during the
system seal check.
Replace the injector mounting assembly.
28. Prepare a measuring container.
Keep the fuel pump supplied.
pure jet injection
Runner Purejet
INJ PJ - 178