Yamaha rotary valve models

Yamaha used the rotary valve on some models in their early years, even though Kawasaki is well known for using the rotary valve engine design on many of their early models up 2001. The Yamaha rotary valve models are listed below.

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1961 YA-5 125cc Yamaha's first rotary valve
1964 YA-6 125cc (Santa-Barbara) first use of oil injection
1965 MATE U5 50cc (U5E Lady Yamaha) (U7 75cc)
1961 YG-1 75cc
1964-1967 A7 125cc
​1969 FS-1 50cc
1974-1990? YB100 100cc
YAT1
TG5T
YJ2
L5
L5TA
JT-1
JT-2
1965 Rotary Jet 80
1973 Zippy (LB501C) 50cc