Question about Yamaha RD 250 Motorcycles

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It starts and idles fine when you hit the throttle it dies

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Howz ur choke set up, is it wide open when on cold start then u close it once it idles smoothly?
If yes then your choke system is at problem, else your power jets are your problem source. Have it a check out as it is more of gsping for air than anything else. Good luck.

Posted on Nov 08, 2010

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My 2007 Kymco 500 MXU starts and idles fine but when you hit the throttle it dies instantly. Ran fine then this all of sudden happened. It did sit for almost a year. Any idea's???


It may be as simple as a bad fuel filter. if the filter is plugged, you may get enough of fuel to idle car, But when giving it gas. there is not enough fuel reaching engine, to keep it running. Its worth a try! God-Bless!

Apr 17, 2016 | Cars & Trucks

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Troy-Bilt Hand-Held Blower dies when warm and throttle wide open


You reported that most of the items I would've suggested, you have checked...
Good job.
A couple more things:
  • Replace fuel filter, it's in the gas tank
  • Check and clean the Spark Arrestor screen at muffler, when they plug up, it's a major restriction to exhaust gas flow
  • And check and adjust High/Low screws at carburetor, video attached.
  • And clean or install rebuild kit for carburetor
Good luck...

One more...

May 30, 2015 | Troy-Bilt Garden

1 Answer

Motor starts fine runs for five minutes then dies starts back up back up fine but no throttle response after thatfine.


if there is electronic throttle then probably needs replacement, get second hand one , or otherwise can try to take it out and clean it, if there is an access to electronic part of it try it open carefully and clean contacts with some alcohol, sometimes it helps

Apr 16, 2014 | Cars & Trucks

1 Answer

Car starts but dies quickly even faster when hitting gas pedal


check you fuel pressure to see if you are getting plenty of fuel.could be a defective or worn out fuel pump.sounds like its not getting enough fuel and pump is only suppling enough to start it.hope this helps

Mar 30, 2014 | 1999 Dodge Intrepid

1 Answer

1996 mercedes c280 dies when put in drive


Engine stalls or RPM fluctuates at idle up and down or dies near idle.

This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control

Oct 15, 2012 | 1996 Mercedes-Benz C-Class

1 Answer

Bogs out when i hit throttle


This is fuel starvation, clean/replace the fuel filter in the tank, check the fuel hoses for signs of cracks or fuel leakage, if this fails it may well be dirt in the carb itself, remove the carb, and clean /replace the fuel screen located under the carb pump cover

Aug 18, 2012 | Homelite Garden

1 Answer

2003 yz 250 starts and idles but runs rich and bogs as soon as the throttle is applied


Hi, Anonymous and the usual suspects are:
1. Throttle cables misaligned or misrouted.
2. Damaged or restricted fuel tank venting system.
3. Intake system air leak.
4. Vacuum piston malfunction.
5. Accelerator pump leaking or no output.
6. Plugged bowl vent or overflow.
7. Fuel level in bowl too low.
8. Restricted fuel supply passages.
9. Plugged jets or passages.
10. Worn or damaged needle or needle jet.
11. The enrichner valve not seated or leaking.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
2002 yz250 idles fine but bogs and tries to die when twisting the throttle...
Bike dies when you give it throttle
YAMAHA YZ250 LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Mar 19, 2012 | 2003 Yamaha YZ 250

1 Answer

Hit the throttle it quits running . it starts right up fast idle ok cuts good .wide open throttle runs fine. let it idle and hit the throttle it dies, starts right back up. has new carb kit, fuel, spark...


Conected to the rubber induction boot is the impulse hose, it is a short curled pipe, make sure this has not split and is conected to the two nipples on the carb flange.

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