APRILIA Atlantic 300 Service Station Manual page 170

Injection
BAR. Check that within 15 seconds the pump has
a flow rate of approx. 110 cm³.
Specific tooling
AP8140181 Fuel pressure checking tool
Fuel filter check
Disconnect the terminals of the electrical pump
Remove the screw indicated in the photograph
Remove the clamp fixing the piping to the filter
shown in the photograph
INJEC - 170
ATLANTIC 300 i.e.