Custom processing is the purpose of refitting carburetor + empty filter cup size 17 19 21 (mm) model PHBG applicable model JOG BWS article number SCL-2018100033-S specifications black 17mm+ empty filter cup, black 19mm+ empty filter cup, black 21mm+ empty filter cup, Red 21mm+ air filter cup, red 19mm+ air filter cup, red 17mm+ air filter cup Compatible models ZUMU 50 KLX CD70 Suitable models 50CC 70CC 90CC Product name: Competitive carburetor CARB PHBG DS black 17 19 21mm manual throttle valve + straight head Empty filter cup installation model: Motorcycle Universal diameter: 17 19 21mm Weight: 500g Package size: 15*10*10mm