Now available:
https://www.legends-yamaha-enduros.com/reproductionyamahaenduroparts
The kit includes the following 3 parts:
214-21512-00-93 - Rear Fender Bracket
214-21514-00-00 - Right Fender Stay
214-21513-00-00 - Left Fender Stay
(concourse correct for 1968-1970 models. 1971-1973 went to a slightly different looking rear bracket).
This kit will fit the following models:
1968 Yamaha DT1
1969 Yamaha AT1M
1969 Yamaha CT1
1969 Yamaha DT1B
1969 Yamaha DT1S
1970 Yamaha AT1BM
1970 Yamaha CT1B
1970 Yamaha DT1C
1970 Yamaha RT1
1971 Yamaha CT1C
1971 Yamaha DT1E
1971 Yamaha RT1B
1972 Yamaha CT2
1972 Yamaha DT2
1972 Yamaha RT2
1973 Yamaha CT3
These will not fit the AT1/AT2/AT3 Enduros (those versions are different)
Also it will not fit the 1973 DT3 or RT3 without modification.
Now available:
https://www.legends-yamaha-enduros.com/reproductionyamahaenduroparts
or
https://www.ebay.com/str/legendsvintageyamahaenduroparts
1970 Yamaha Enduro HT1 90 Oil Tank Sticker Emblem Decal Graphic 277-21787-00
1971 Yamaha Enduro HT1B 90 Oil tank Sticker Emblem Decal Graphic 277-21787-01-00
1972 Yamaha Mini Enduro JT2 60 / 1973 GT1 80 Off Road Warning Sticker Decal
1974 Yamaha YZ80/125/250/360 "Off road use only" rear fender decal / sticker
1976-1981 Yamaha TZ IT YZ DT250/400D/E/F XT500 TT500 DID Rim Decals