For a guy that has never tried Opti-2 in any of your bikes you are quite the expert on it! LOLi just sold him an engine he told me that he mixed it with opti at 100:1
5 x 1.6 oz = 8 ozi have been getting daring after seeing that sabre test i've been mixing the stuff at work 8 oz to 5 gal not sure on the ratio that is