Print with TPU
This is the plug that covers the pilot jet in some Mikuni carbs such as the ones on the xs650
3F7-14991-00-00 plug

Equivalent to OEM: 13357-44080, 3F7-14991-00-00

Fits Suzuki
GN125Z/D/EN/EP/ER/ES
GN400T/XT/XX/TX/TZ
SP400T
GS450ED/GAZ/GAD/GAF/LD/LF/LG/LH/LJ/TXD
GS550ET/LT/LX/LZ/MZ/TX
GS650EX/EZ/GX/GZ/GD/GLX/GLZ/GLD/MD
GS700EF/ESF
GS750ET/EX/EZ/ES/ESD/LT/LX/SD/TZ/TD
GS850GT/GX/GZ/GD/GLT/GLX/GLZ/GLD
GS1000GT/GX/ET/ST/SZ
GS1100ET/EX/EZ/ED/ESD/GZ/GLZ/GD/GLD/GKZ-GKE/LT/SD
GS1150ES3-EF2/EG/ESG.

Yamaha
XS650G/H/SG/SH/SJ/SK-
XS1100G/H/LG/LH/SG/SH.