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CRF250R wont idle!
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Posted: 09/07/08
10:38 AM
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I have a 2004 CRF250R and for some reason will not idle! Right when it starts up I have to continuously give gas or it dies. Ive tried messing with the idle screw but that does nothing for it. The carburetor is clean and the so is the fuel. I checked the fuel petcock and its fine. Any ideas???? ![]() ![]() ![]()
2006 CRF250R
2004 CRF250R
2005 CRF100F
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elko6
Addict
| Posts: 3936
| Joined: 11/07
Posted: 09/07/08
10:41 AM
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has it always done this? when was the last time the valves were checked?
______________________________
Ride 2 strokes, buy 2 strokes, save the 2 stroke.
1998 cr125
2002 cr80
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Posted: 09/07/08
10:42 AM
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No it just started. I checked the valves yesterday and they are a little off but not enough to make it have this problem.
2006 CRF250R
2004 CRF250R
2005 CRF100F
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elko6
Addict
| Posts: 3936
| Joined: 11/07
Posted: 09/07/08
10:45 AM
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when was the last time it was rebuilt? has the temperature changed drastically in the past few days?
______________________________
Ride 2 strokes, buy 2 strokes, save the 2 stroke.
1998 cr125
2002 cr80
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Posted: 09/07/08
10:50 AM
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About 15 hours ago. And no major temp changes. Could it maybe be something in the carburetor?
2006 CRF250R
2004 CRF250R
2005 CRF100F
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elko6
Addict
| Posts: 3936
| Joined: 11/07
Posted: 09/07/08
10:55 AM
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it could be your gas. their may be dirt or something in the carb. dirty air filter.
normally if it was a jetting problem you will constantly have problems at certain times of the year or around a certain temperature.
that is why i was thinking it was something mechanicle. have you just tried to adjust the fuel screw, air screw, or idle screw.
______________________________
Ride 2 strokes, buy 2 strokes, save the 2 stroke.
1998 cr125
2002 cr80
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Posted: 09/07/08
10:59 AM
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No i havnt tried the fuel screw and air screw yet. But I recently pulled my carburetor apart and found that 2 of the vent hoses were completely stuffed with mud and dirt. I cleaned them out and put them back on. Would that have made it so my carburetor performing better and needs more fuel?
2006 CRF250R
2004 CRF250R
2005 CRF100F
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elko6
Addict
| Posts: 3936
| Joined: 11/07
Posted: 09/07/08
11:01 AM
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idk. they might, they are probably just overflow tubes, so i dont know if it would make a difference if they are clogged.
______________________________
Ride 2 strokes, buy 2 strokes, save the 2 stroke.
1998 cr125
2002 cr80
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Posted: 09/07/08
11:05 AM
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How about the accelerator pump. I noticed theres a spring loaded screw thats adjustable for the amount the throttle is open. Would this affect the idle?
2006 CRF250R
2004 CRF250R
2005 CRF100F
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elko6
Addict
| Posts: 3936
| Joined: 11/07
Posted: 09/07/08
11:09 AM
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your going to have to wait to someone else with more expertise on 4 stroke carbs comes along.
______________________________
Ride 2 strokes, buy 2 strokes, save the 2 stroke.
1998 cr125
2002 cr80
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Posted: 09/07/08
11:10 AM
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Alrite thanks for trying to help.
2006 CRF250R
2004 CRF250R
2005 CRF100F
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GuNzZ_22
New User
| Posts: 22
| Joined: 09/08
Posted: 09/10/08
05:38 PM
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pilot jet may be clogged
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