In Reply to: Re: Lets talk Generators posted by dave#1 on January 15, 2017 at 22:12:24:
https://www.google.com/search?q=honda+generator+gas+cap&client=tablet-android-samsung&sa=X&biw=962&bih=601&noj=1&tbs=vw:l&tbm=shop&srpd=4963741207704284798&prds=epd:4532660333037550571,paur:ClkAsKraX-gewEhMijFqGzbOsB_der5B8I3p8elFXWHJu0WY0wEeJXMcPw4uii6tXIis-MnWGe9uAkjfLvBb8Hs5egrcoPr9uqGdSZxazNgLAqis3QEor3Bo5hIZAFPVH70SL4aWnIrm-GFUCnujG7Rg01Kcxg,cdl:1,cid:2495008750532765687&ved=0ahUKEwi08c2j3cXRAhWJ4IMKHeU0B_4QgTYIpAQ
Here is one from ebay. I have not tried yet.
I was thinking of just buying a spare champion cap and drilling it like you said.