I assume this person was asking how to adjust the idle on a Yamaha Bigbear 400 ATV. On the driver side of the unit there is an adjustment at the bottom of the carburetor. If I were to describe its appearance I would say it looks like a bolt in the end of a small hose that is held by a small wire hook. There is actually a small cable inside the rubber hose that directly drives the idle screw. Turn the adjustment clockwise in quarter to half turn increments to increase idle and counterclockwise to decrease idle speed. This question was answered by All Autos.
To set the idle, adjust the carburetor.
3.2 quarts
-1600
You can find the model number for a 2000 Yamaha Big Bear 400 quad on the frame, typically located near the front steering head or on the left side near the engine. Additionally, the model number may be listed on the vehicle's registration documents or owner's manual. If you need further assistance, checking the Yamaha website or contacting a Yamaha dealer can also provide guidance.
400
Most cars typically idle between 400 to 1000 rpm
5
The Fourth Bear has 400 pages.
To adjust the carburetor on a Yamaha 400 Big Bear, start by ensuring the engine is warm and running smoothly. Locate the idle adjustment screw, usually found on the side of the carburetor, and turn it clockwise to increase the idle speed or counterclockwise to decrease it. Additionally, check the air-fuel mixture screw, adjusting it for optimal performance—typically, turning it out (counterclockwise) can enrich the mixture while turning it in (clockwise) leans it out. Always listen for smooth engine operation while making these adjustments.
About 1300 RPM's
400 dollars 2000 x .20 = 400
400-16000