What modification? It is simple? Cheap? John. >Hi, > >>My normal distance with RD07 1993 (jet kit, K&N,Arrow) one person is >>265km + 45km reserve > >With the RD07a modification to the carburetor ventilation I reach 300 to >330km with my 94 RD07 before I have to switch to reserve with normal [ahem] >riding style. It really saves fuel. > >take care - Marcello. > >