Discussion Starter · #1 ·
a newbie query. i'll be racing the 350 (2 cyl) (yes, it's a honda) at Loudon etc. this summer. What oil weight is preferred by you guys with racing 350s? I use straight 50wt in the Norton, but the oil cap on the 350 says 10-40. I think for racing I can go with a single weight, eh?