Honda SH125 Manual page 121

FUEL SYSTEM (Proarammed Fuel Iniection)
Carefully pull up the injector out of the intake mani-
fold to remove it with the feed hose.
Remove the setting plate.
Remove the injector from the hose joint.
Remove the O-rings.
INSTALLATION
Coat a new O-rings with engine oil.
Install the O-rings into the injector grooves in posi-
tion as shown, being careful not to damage them.
Install the injector into the hose joint by aligning the
tab with the hole.
Install the setting plate by aligning the groove with
the tab of the injector, then install the injectodhose
assembly into the manifold until it is fully seated.
Install the stay and two bolts onto the hose joint,
and tighten them securely.
Install the hose clamp and tighten the bolt.
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