Sorry to make another Gardner note in the AMAL GP thread.
Mine came with a grub screw on top, probably for idle adjustment. When it decided to drop down jamming throttle at about 1/4 open was not a good experience. Just to change it to a hex head screw.
Mine came with a grub screw on top, probably for idle adjustment. When it decided to drop down jamming throttle at about 1/4 open was not a good experience. Just to change it to a hex head screw.