YAMAHA AT1 AT2 AT3 CS3 CS5 YCS1 Ignition Governor / Automatic Advance 173-81153-10 / 173-81153-20

YAMAHA  Ignition Governor / Automatic Advance Assembly   OEM Ref. # 173-81153-10 / 173-81153-20  NOS  New Old Stock.  SB28/A

Fits 

AT1C 1971 125 AT1 Enduro Dual-Purpose
AT1E 1969 125 AT1 Enduro Dual-Purpose
AT1MB 1970 125 AT1M Enduro Dual-Purpose
AT2 1972 125 AT2 Enduro Dual-Purpose
AT3 1973 125 AT3 Enduro Dual-Purpose
CS3B 1971 200 CS3 Street
CS3C 1970 250 CS3 Street
CS5 1972 200 CS5 Street
YCS1 1967 180 YCS1 Bonanza 180 Street
YCS1C 1968 180 YCS1C 180 Street Scambler Street