Yamaha / REAR BRAKE  Master cylinder repair kit  1FK-W0042-50, 3BN-W0042-50, 3YF-W0042-50 

amaha OD=12.70mm, Length=37. 00mm(Thread Length 23mm)

DT 125 R # 4BL # 91-98
DT 125 RE RH # 99-05
YZ 85 LW 19/16 Zoll Rad # CB10C # 09-12
YZ 125 # 88-95
YZ 250 2T # 88-95
DT 125 RE # DE061 # 06
DT 125 X # DE062 # 05-06
DT 125 RN 80 km/h # 4BL # 97-98
DT 125 RN 80 km/h # DE032 # 99-03
DT 125 RE MX Everts # DE061 # 05-06
MT-03 660 H # RM02 # 06-11
MT-03 660 N # RM02 # 06-08
TDR 125 # 4GW # 93-96
TDR 125 H # 5AN # 97-00
TDR 125 N 80 km/h # 5AN # 97-01
VMX-12 1200 N Vmax # 1FK # 85-87
VMX-12 1200 NC Vmax # 1JH # 85-87
VMX-12 1200 Vmax # 88-02
WR 125 R # DE071 # 09-12
WR 125 X # DE072 # 09-12
XT 660 R X # 05, 07-08
XT 660 R # DM011 # 04-06
XT 660 X # DM014 # 04-06
XT 660 R # DM016 # 06
XT 660 X # DM017 # 06
XT 660 R # DM018 # 07-13
XT 660 X # DM01B # 07-13
XT 660 Z Tenere # DM021 # 08-09
XT 660 Z Tenere # DM025 # 10-12
XTZ 660 H Tenere # 3YF # 91-99
XTZ 660 N Tenere # 3YF # 92-95
XV 1700 Road Star Warrior # VP14E # 03-05
XV 1900 Midnight Star # VP231 # 06-10
XV 1900 A Midnight Star # VP23 # 11-12
XVZ 1300 A Royal Star # 4YP # 97-00
XVZ 1300 AH AHC ATH ATHC Royal Star Tour Classic # 4N # 96-99
XVZ 1300 TF Royal Star Venture # VP091 # 99-01
YZ 80 17/14 Zoll Rad # 93-01
YZ 80 LW 19/16 Zoll Rad # 94-01
YZ 85 SW 17/14 Zoll Rad # 02-13
YZ 85 LW 19/16 Zoll Rad # 0208