you need to adjust thecarburetor
it will tell how in the owners manual.Also the adjustment for the idle is a gold colored knob that sticks out on the left side of the atv(clutch side),Idle mixture screw is in the middle of the carb under the intake side of the carb(hard to get to)(venturi)side
To set the idle, adjust the carburetor.
To set the idle screw on a 1997 Yamaha 350 Big Bear, first warm up the engine to its normal operating temperature. Locate the idle adjustment screw on the carburetor, which is typically found on the side of the carburetor body. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it, adjusting until the engine idles smoothly at around 1,200 RPM. Finally, ensure that the throttle responds properly without stalling or racing.
The air mixture screw on a Yamaha Raptor 350 is typically set at around 1.5 turns out from fully closed as a starting point. You may need to adjust it slightly to fine-tune the air-fuel mixture for optimal performance. It's best to consult the user manual or a mechanic for specific recommendations based on your riding conditions.
the only way i can find to set mine is move the cable out a little.
You set cam timing on a Yamaha big bear 350 4x4, by opening up the bike chassis and looking for the cam timing levers. You can adjust it up or down until you have it set to how you want it.
Manual says align with the first T
This is something that can be difficult to do without the right experience. Make sure to get assistance if needed.
set the idle down on the carb
To set the timing on a Yamaha Raptor 700R, first ensure the engine is at top dead center (TDC) on the compression stroke for cylinder 1. Remove the timing cover and align the timing marks on the camshaft and crankshaft. Adjust the camshaft position if necessary, using a degree wheel or timing tool to ensure proper alignment. Finally, reassemble the cover and check for proper operation before starting the engine.
To set the engine idle for a 350 engine, first, ensure the engine is at normal operating temperature. Then, locate the idle adjustment screw on the carburetor or throttle body and turn it to increase or decrease the idle speed as needed. Typically, the idle speed should be between 600 and 800 RPM for a 350 engine, but consult the owner's manual for specific recommendations. Finally, recheck the idle speed after adjustments and make sure the engine runs smoothly without stalling.
Check your parking brake, it will do this if your brake is set. Otherwise, check your air filter, change the spark plug, and clean the carburetors one at a time if the problem still persists.does the machine have a throttle override? I know Yamaha has them on many models. it was meant to retard the engine if the throttle sticks, or by the sounds of it, if the parking brake is left on.
To set the idle on a 1995 Yamaha 30 hp 2-stroke outboard, first ensure the engine is warm and running. Locate the idle adjustment screw on the carburetor; turning it clockwise increases the idle speed, while turning it counterclockwise decreases it. Adjust the screw until the engine idles smoothly at the desired RPM, typically between 600-700 RPM. Finally, check for any changes in responsiveness and make minor adjustments as needed.