HX question

[vetteultra250x]

I just bought a 95 HX cheap. Oil injector failed on previous owner, seizing engine. He hat it rebuilt and and injector resevior removed. Could someone tell me what ratio to premix the fuel/oil? Thanks in advance.

[chip]

if proper jetting and adj. on stock carb's 40-1 should be fine ,you realy need to ask person you got from
did he run rotery valve bypass? is there hose running from under carb's back under exhaust ?
later cd

[vetteultra250x]

Thanks Chip,
What is a rotary valve bypass for? I'm a newbie to the 2stroke skis.