Question about 2008 KTM 250 XC

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My 250 has no top end throttle coughs and sputtes at 3/4 to full throttle and wont idle worth a **** HELP

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Ok buddy you can try this on carb is a scew the mixture screw try fidling with this till it runs ok and do the same with the idle only turn the idle screw in 1/4 turns at a time until it idles get back to me if not okmy 250 has no top end throttle coughs and sputtes - ee2a68c.jpg

Posted on Sep 28, 2009

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1 Answer

My 96 suzuki quadrunner 250 and I thought my throttle cable was in a bind not in a bind idles fast when you turn right what is wrong


Possibly if moisture has got in and created rust then you have a problem. With the engine not running twist the throttle very slowly to full limit then let go the spring should snap the whole thing shut instantly. If this does not happen the cable is binding. Undo the cable at the twist grip end and get as much lube down it as possible a clamp type cable luber will help.

Dec 13, 2014 | 1997 Suzuki GSF 250 Bandit

1 Answer

Idling speed


Hi, Anonymous the carburetor throttle shaft wheel has two cables the cable closest to the right side of the bike is the throttle cable and the one closest to the left side is the idle cable. Right about the middle between the two is the idle adjustment bolt it faces out towards the air filter end of the carb . The engine should be at operating temperature with the enrichener off to set the idle between 950-1050 rpm. Turn the idle adjustment bolt clockwise to increases idle speed and counterclockwise to decrease idle speed. If you have access to your air fuel mixture bolt you may adjust it as well if not there is a video below on how to gain access, make sure you start with clean or new spark plugs. Gently turn the air fuel mixture bolt clockwise until it starts to bottom out "STOP" do not over tighten as it will damage the taper on the end, now back it out 2 full turns to establish a starting point start the engine and check the idle rpm's and adjust the idle adjustment bolt accordingly for 950-1050 rpm if necessary, adjust the air fuel mixture bolt 1/4 turn at a time and let the engine settle for about 10 seconds, clockwise for a leaner mixture and counterclockwise for a richer mixture you are seeking the highest rpm your air fuel mixture bolt can acquire without going past 3 full turns from bottom then readjusting the idle adjustment bolt back down to 950-1050 rpm If you can not detect any rpm change and can not stall the engine by turning the air-fuel mixture bolt all the way in then your pilot/low-speed jet is too big. Final adjustment should be made with a clean air filter mounted to the carburetor. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
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Jun 21, 2014 | 2007 Yamaha yBR 250

1 Answer

My xt 250 1981 model wont run proprely


Hi, Champion and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Accelerator pump damaged or not working.
11. Water or dirt in the fuel system, carburetor or filter.
12. Restricted, blocked or kinked fuel line.
13. Fuel tank empty.
14. The gas cap is not venting properly or fuel tank venting system blocked.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day.
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1 Answer

My car is coughing a little at idle. sounds like it's running out of gas, but it isn't. what gives?


Ive posted a hint for cleaning the throttle onmy sight, They tend to get gummed up, and they just wont maintain idle. Try the hint it works, Thanks

Jan 17, 2012 | 2002 Ford Taurus

1 Answer

FZR 250 power promblems and no top end power battery keeps draining


need to have the valves adjusted and the compression checked

Jun 01, 2009 | 1988 Yamaha FZR 250

1 Answer

Motor surges at full throttle


The timing is not the problem if your bike is surging at top end. The timing is fixed on these models and it's not like the old days or like a car. Your problem can be one of many.
First: does the bike idle ok after it is hot?
Second: Have you changed the air filter to an after market type? Changing the filter to an after market filter will lean the motor out which will cause a "surge" at full throttle. You will need to possible jet the motor richer to compensate for the leaner filter design.
Third: Try rolling out og the throttle from full throttle by about 1/8th and see if the engine RPM's increase and the surge goes away, if so the motor is to lean.
Let me know the answers to these questions and I can help you resolve your problem.
Third: how long has it been since you have set the valves? a tight valve can cause many many problems including this one.

Nov 29, 2008 | 2005 Honda CB 250 Nighthawk

1 Answer

Throttle Cables


I finally managed to get a throttle cable and an idle cable. How do you get the cables out of the throttle housing? I have removed the ends from the grip. Now I am faced with getting the throttle cable and idle cables through the cast metal hole in the bottom of the the throttle housing and then the new ones back up through. There is a shiny barrel clip-looking ferrul attached to the metal ball on the end of the cable that prevents it from fitting through that hole. As my shiny new $100 worth of throttle/idle cables did not come with ferruls to replace the existing ones I am assuming that there is some way to take those ferrules off the old cables and put the on the new ones. So I need to know how to take off/re-use those clips and/or am I SOL on being able to get this thing going without yet another delivery from Ridley? The cable end is removable. You don't need to buy new ones. Try a small pick to remove the cable from the housing.,,

Nov 10, 2008 | 2004 TM Racing Mx 250

1 Answer

Throttle Cables


I finally managed to get a throttle cable and an idle cable. How do you get the cables out of the throttle housing? I have removed the ends from the grip. Now I am faced with getting the throttle cable and idle cables through the cast metal hole in the bottom of the the throttle housing and then the new ones back up through. There is a shiny barrel clip-looking ferrul attached to the metal ball on the end of the cable that prevents it from fitting through that hole. As my shiny new $100 worth of throttle/idle cables did not come with ferruls to replace the existing ones I am assuming that there is some way to take those ferrules off the old cables and put the on the new ones. So I need to know how to take off/re-use those clips and/or am I SOL on being able to get this thing going without yet another delivery from Ridley? The cable end is removable. You don't need to buy new ones. Try a small pick to remove the cable from the housing.,,

Nov 10, 2008 | 2002 TM Racing E 250

1 Answer

Throttle Cables


I finally managed to get a throttle cable and an idle cable. How do you get the cables out of the throttle housing? I have removed the ends from the grip. Now I am faced with getting the throttle cable and idle cables through the cast metal hole in the bottom of the the throttle housing and then the new ones back up through. There is a shiny barrel clip-looking ferrul attached to the metal ball on the end of the cable that prevents it from fitting through that hole. As my shiny new $100 worth of throttle/idle cables did not come with ferruls to replace the existing ones I am assuming that there is some way to take those ferrules off the old cables and put the on the new ones. So I need to know how to take off/re-use those clips and/or am I SOL on being able to get this thing going without yet another delivery from Ridley? The cable end is removable. You don't need to buy new ones. Try a small pick to remove the cable from the housing.,,

Nov 10, 2008 | 2007 Qlink Legacy 250

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