this calipper is from??

[Fleker]

look this caliper, I don't know if it is from yamaha

http://imageshack.com/a/img843/3084/n1fu.jpg
http://imageshack.com/a/img855/4603/b8gy.jpg
http://imageshack.com/a/img843/3510/pbjgd.jpg
http://imageshack.com/a/img823/9337/cv8sz.jpg
http://imageshack.com/a/img855/4341/a2sd.jpg

 

[Larry's Shee]

Most Jap machines use Nissin calis. Almost looks like itcould be from a snomo.
Don't get too excited about using it until you know what it is and if it works.