RE: Welcome to Club SAITO !
>>> I just take my engine to the hardware store and they have a little selection box of O-rings. I pick one that looks about right. >>>
Are those Viton (high temp) o-rings or are you getting by with regular ones? And are you getting metric at the hardware store or finding standard sizes that look about right? Seems like it might? be better just to take an old o-ring into the store than the whole engine?
Thanks,
Ernie