Yamaha Oil Injection Tank Filler Cap

Fits the following models:
AT1, AT1B, AT1C, AT1E, AT1M, AT1-MB, AT1-MX
AT2, AT2M, AT3, AT-MX
CS5
CT1, CT1B, CT1C, CT2, CT3
DS7
DT1, DT1B, DT1C, DT1C-MX, DT1E, DT1MX, DT1S, DT2, DT3
DT100, DT125, DT175
DT250
DT360, DT360A
DT400
HT1, HT1B, HT1BM
LS2
LT2, LT2M, LT3, LTMX
R5, R5B, R5C
RD125, RD200, RD250
RD350, RD350A, RD350B
RD400C, RD400D, RD400E, RD400F, RD400G
RS100, RS100C
RT1, RT1B, RT1M, RT1MX, RT2, RT3

Genuine Yamaha part.