To adjust the carburetor on a Yamaha MZ175, first ensure the engine is warm and idling. Locate the idle adjustment screw, typically found on the side of the carburetor, and turn it clockwise to increase idle speed or counterclockwise to decrease it. For fine-tuning, you may also need to adjust the air-fuel mixture screw, turning it in to lean the mixture or out to richen it. Always make small adjustments and test the engine's performance after each change.
To adjust the carburetor on a Yamaha badger is really simple. There will be two screws one is a slotted head and the other is a four way. To adjust the carburetor you have to turn the screws clockwise until the engine idles fast.
there is a little screw on the back of the carb. if you loosen it, it will idle slower, tighten it, it will idle faster.
adjust your idle screw on the side of the carb its the one with the spring on it. if that doesnt help then take the carb apart and clean it to make sure theres no dirt in it.
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The carb bowl drain nut is located on the bottom of the carb.
Without more info, sounds like a dirty carb. Probably hard to get into reverse also. Clean and adjust the carb. Check the rubber hose that connects the carb to the engine. Could be loose clamps or worn out. Sucking air there would also cause the problems.
On the side of the carb.
Replace the seals in it.
"84 is still the carb. There is a small screw right at the throttle cable on the carb. Adjust that.
there is a screw on the carb. be sure to adjust while the engine is running so you can tell by the idle when it is set properly.