1hz injector pump leak

[superg]

Hi all, my injector pump looks to be leaking from the circled screw, is this an easy fix or not? Thanks

 

[mudgudgeon]

That is the main fuel adjustment screw.
To remove it, you need to remove the sheet metal security collar on the screw, undo the lock nut, remove the screw, carefully count the number of turns, or measure how far it protrudes before unscrewing.

I think it will have an o-ring on it. Can't remember 100%

You need to put it back as it is, or you'll change the tuning/fuel setting.

 

[mudgudgeon]

Relatively easy, but clean up the pump first and be sure that's where your leak is before removing that screw.