Hi Seanoss and CyberJack,

Very easy to fit a white primer cap. A slotted screwdriver and your thumb and forefinger to pull off the fuel hose are all that's required.
I did it to my late grandmother's high arch Pace Premier 160 and made all the difference in starting.


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!