The bike mentioned in the title is the bike that this master cylinder is designed for but will work with almost any hydraulic brake system. 
 
Bore size is 11mm
Piston travel is around 10.5mm (+/- 0.5mm)
Includes lever, pivot bolt, clamp bolts, banjo bolt and etc. These usually need to be purchased additionally with genuine master cylinders
 
After market replacement. Cheaper than even having your original one overhauled. Once the cylinders in these are slightly out of round or pitted or corroded in anyway they will not build pressure. Genuine part prices are around $200 plus for these. 
Standard bar mount diameter of 22mm (almost every modern motorcycle)
The cap may be black on current stock. Identical otherwise, 
 
Universal part but same dimensions as;
HONDA DIRTBIKE
CRF 250R 2004-2013
CRF 450R 2005-2013
CRF 250X 2004-2013
CRF 450X 2005-2013
CR 125R 2005-2007
CR 250R 2005-2007
 
Reviews of this product;
"I put on my 97 CR 250R and it works great!!! You can not beat the price for what you get. No complaints!!! Great deal."
"Very close to oem replacement just has hose on back side. Works well"
 
Note actual item shipped may have a cap of a slightly different colour i.e a darker grey