Wots the settings on my mixer scure on my yzf 250 and it keeps bogging and i got an anti bog but still happening any 1 help
SOURCE: QUAD QUESTION! 1998 yamaha warrior 350 bogging down
sounds like fuel starvation
do you have a petcock plugging or a dirty carb?
pull the fuel line and check flow
later paul
SOURCE: QUAD QUESTION! 1998 yamaha warrior 350 bogging down
I had a problem somewhat the same.
Make sure the air-intake boot has no holes in it.
SOURCE: 2005 YZF 250 were is the oil sc\trainer locaded?
The drain plug is at the bottom left corner of the center case. The oil filter is on the left case cover.
A “very helpful” rating on this answer? Thanks!
SOURCE: yz 150f bogs when you give full throttle all at once
ok, assuming you replaced the carb header and stator with aftermarket parts, then I would say you definitely have a jetting issue. that flat spot is coming from your engine starving for fuel. its taking the gas too long to get from the carb to the engine. you would fix this by adjusting the idle mixture on the carb. the first thing I would do is look for the fuel mixture screw on the carb. im not familiar with your specific model. but the screw is usually found facing down on the bottom of the carb, directly in front of the bowl. when you find it, turn it counter clockwise about 1/2 turn at a time until that flat spot fades away. if that doesnt work, then you will need to up the size of the pilot jet inside the carb. maybe 1 or 2 sizes would be enough. if you replaced the carb with a bigger carb, then you may not be able to fix this problem. in my experience, larger carbs will increase power, but usually throttle response, especially low end, suffers considerably. the reason for this is lower intake velocity and vacuum. basically, with a bigger carb it takes a second longer for the fuel to be drawn from the carb and properly atomize with the air. hope this helps.if I overlooked anything let me know! some more info on the engine/modifications and carb/jet sizes would help too. good luck.
SOURCE: 2001 yamaha ttr 250, starts, idles ok, bogs at acceleration
I have the same bike and same problem. Check the intake hose that connects the carb to the motor it may have a crack mine did and lost power when the bike warmed up. They don't make a replacement hose for it so I am using a rubber plumbers coupling with hose clamps. Might work? The hose is inch and a half diameter and about three inches long try that maybe. Good luck If it makes a chirping sound when the bike gets warm it's probably that hose sucking in air and screwingup your mixture.
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