Bultaco Production Details from 1959 to 1981
The M Letter indicates that it is a Motor Number is preceded
by another letter indicating the cubic capacity of the engine.
For the Frame the Letter B indicates that it is a Frame,
(B is for Bastidor which is Frame in English) The Number is preceded
by another letter indicating the cubic capacity of the engine.
Engine Frame
ZM 50cc ZB 50cc
YM 75cc YB 75cc
XM 100cc XB 100cc
VM l25cc VB l25cc
UM 150cc UB 150cc
TM 175cc TB 175cc
SM 200cc SB 200cc
RM 225cc RB 225cc
PM 250cc PB 250cc
NM 275cc NB 275cc
LM 300cc LB 300cc
KM 325cc KB 325cc
JM 350cc JB 350cc
HM 360cc HB 360cc
GM 400cc GB 400cc
Bultaco Numbers Index