2-stroke engine
RD 56/68/76, RND 68(M), RND 76(M), RND 90(M)
RLA(B) 56, RLA(B) 66, RLA(B) 76, RLA(B) 90
RT FLEX 50C, RT FLEX 60C, RT FLEX 58T, RT FLEX 68B, RT FLEX 82, RT FLEX 96C,X62
RTA 38, RTA 48(T)/(TB), RTA 52(U), RTA 58(T)/(TB), RTA 62(U)
RTA 68(TB), RTA 72(U)/(UB), RTA 76, RTA 84(C)/(M)/(T)/(TB)