YA-1 built August 1954, produced January 1955. The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine
YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke.
YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1.
MF-1 (1958) 50 cc, two-stroke, single cylinder, step through street bike
YDS-3 (1964) 246 cc, two-stroke, parallel-twin, it used the world’s first oil injection lubrication system in a 2-stroke engine.
DT-1 (1968) Yamaha's first true off-road motorcycle.
XS-1 (1970) Yamaha's first four-stroke engine motorcycle (650 cc twin).
Yamaha YZ Monocross (1975) First production motocross bike with a single rear shock.
Yamaha YZ400F (1998) First mass-produced four-stroke motocross motorcycle.
Step-throughs, scooters, maxi-scooters (Two- and four-stroke)
Some of these step-throughs and scooters are made for Southeast Asian markets, where they are known as underbones.
Large scooters with more than 125 cc, and a large chassis and protection from the elements, are very popular in the E.U., Japan, and the US.
YD1
RD48
AS1
YR1
YR2
YR3
TA125
TD1
TD2
TR2
TR3
TZ125
TZ250
TZ350
TZ500
TZ700
TZ750
0W48R
RD56
Yz80
YZR500
YZR-M1
0W01
YZE750T
YZE850T
Yamaha WR125X
TY 80
TY 175
TY 250
Yamaha Tricity
