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External Fuel Pump list for FI Guzzis

Discussion in 'Chat & Tech Info' started by GTM®, Oct 14, 2011.

  1. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

    Jul 1, 2009
    Likes Received:
    Fuel Pump Replacement for your external (out of tank) Guzzi:

    - OEM pump: Weber PI-021
    - Bosch Dealer, Bosch #0580464048, @$190-236.00 USD
    - Pierburg #7.21565.70.0 -OR- 7.21287.53.0 *see notes below*
    - NAPA "Carter/Federal #P72018" $174.43 USD
    - Auto-Zone "Master #E7334" @$189.99 USD lifetime guarantee


  2. OldJock

    OldJock Cruisin' Guzzisti

    Sep 25, 2009
    Likes Received:
    GLasgow UK
    Fuel Pump specification

    From the Sport 1100 manual (I think all the systems on this vintage are identical).

    The pump operates at 100 l/hr at 3 bar, this is what the system runs at and is an industry standard. There are other standard pressures too but Guzzi run at the 3 bar. The pump is overpressure protected at 5 bar, via the discharge feeding back to the inlet. The pump has a non return valve to prevent the system draining down through the pump when it's switched off.

    From this link you can pick up a pdf of the Pierburg range & there is a pump curve included in the documentation of the 2 applicable E2T pumps namely #7.21565.70.0. & # 7.21287.53.0.



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