WAS LOOKING AT THE SUDCO PAGE AND THEY SHOW THEY OFFER A CLAMP ON CARB LOOKS LIKE UP TO 18MM. jUST WONDERING IF ANY ONE WOULD KNOW WHY THEY WOULDN'T OFFER LARGER SIZES. jUST THINKING
74 Berkie
Those carbs were used on small Yamahas like the HT1 90, but the 125-up used a standard mount. Since only Japanese bikes were sourcing Mikunis in the late 60s/early 70s they only built what manufacturers wanted.
Brian