Stopped at Konan today and decided to have a look at what 2 stroke oils they have. Plenty of semi-synthetics and economical too. So what if I want full synthetic? Mind you, this took quite a bit of translating. Turns out they only have 2 full synthetic oils Castrol Power 1 and Power 1 racing, 1250yen and 1500 yen, respectively... for 500ml. Way to much for me.
Go over to Rider's Stand. The semi-synthetics are quite a bit more than Konan, expected that, but the full synthetics... Motul 710 is 4500 yen a liter (a little over $40), Motul 800 was 5400. Cheapest full synthetic they had was 2400 yen/liter, about $20. All the full synthetics were labeled as race oils, no just plain Jane synthetic.
Well Amazon.co.jp to the rescue. http://www.amazon.co.jp/AZ-%E3%82%A8%E3%83%BC%E3%82%BC%E3%83%83%E3%83%88-2%E3%82%B5%E3%82%A4%E3%82%AF%E3%83%AB%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%B3%E3%82%AA%E3%82%A4%E3%83%AB-SYNTHETIC-%E5%88%86%E9%9B%A2%E3%83%BB%E6%B7%B7%E5%90%88%E7%B5%A6%E6%B2%B9%E5%85%BC%E7%94%A8%E3%82%BF%E3%82%A4%E3%83%97EG024/dp/B00V45L658?ie=UTF8&psc=1&redirect=true&ref_=ox_sc_act_title_1&smid=AN1VRQENFRJN5 Same brand as I've been using in the Cub, highly rated.