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Home›Repair guides›Westerbeke›Removing the Fuel Injectors

Westerbeke 90A FOUR — Removing the Fuel Injectors

Repair & overhaul

For the Westerbeke 90A FOUR, from the Westerbeke operator's manual.

Before you start

  • The fuel injectors must be serviced in a clean room environment.

Procedure

  1. Disconnect the high pressure fuel lines from the injectors.
  2. Loosen the lines at their attachment to the injection pump and move them out of the way, avoiding bending.
  3. Remove the fuel return line in its entirety from the top of the injectors, retaining the two sealing washers and banjo bolt.
  4. Remove the fuel injector holder bracket mounting nuts, then remove the holder brackets.
  5. Remove the fuel injectors, cleaning the area around the base of the injector first.
  6. Remove the gaskets and the O-rings.
  7. Replace the copper sealing washer with a new washer when the injector is reinstalled.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: Westerbeke operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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