No worries .... I am using 13/44 fulltime on da road....still smooth bearing condition ..checked after "just for fun overhaulin"..so for your combination of 14/35 ...just go for it :)
ya sokong....carb kalau x setting dan cdi pun masih "dara" bley mengakibatkan "enjin jerking" tapi....kekadang....hose penyambung dari tengkuk ke carburetor bocor pun wajar gak jadi kes camni....sila check dulu semuanya :)