Dellorto Petrol Pulse Pump - Rebuild Kit

Rebuild kit for the P34-PB2 Dellorto fuel pump fitted to the Sherco trials bikes from 2010 on, the kit includes the 4 rubber gaskets the 2 diaphragm sheets and the 2 rubber umbrella type check valves.

This impulse pump works on pressure pulses from the engine inlet, these pulses move a diaphragm inside the pump which pushes and pulls petrol through two one way valves providing a steady flow of fuel, It also includes a pressure relief valve to prevent over fuelling.

For cleaning the pump out please see this guide

Dellorto part number 52628