Derbi Rambla 250 Manual page 164

Injection
BAR. Check that within 15 seconds the pump has
a flow rate of approx. 110 cm³.
Specific tooling
AP8140181 Fuel pressure check tool
Fuel filter check
Disconnect the terminals of the electrical pump
Remove the screw indicated in the photograph
Remove the clip fixing the piping to the filter shown
in the photograph
INJEC - 164