Carburetor #17 for 200cc Chinese ATVs Dirt Bikes PZ27 Cable Choke
Chinese Carburetor PZ27 with cable-operated choke.
27mm is the size of the opening that connects to the intake manifold. 
This carb was fits many Chinese ATV and motorcycle brands like Jetmoto, Yamoto, Kazuma, Akuma,Roketa, Sunl, Tao-Tao, RedCat, etc., on vehicles with engine sizes of 150cc and 200cc.  
Fits: Various makes/models, Jetmoto, Yamoto, Kazuma, Akuma,Roketa, Sunl, Tao-Tao, Roketa, SUNL, Electra, Baja, Redcat,  Honda, XL100S, XL125S, XL185S, XL200R, XR200, CRF100F, 150F, TRX200