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Anonymous Posted on Jun 23, 2013

2007 fuel injected Honda CBR125 will not idle until warm.

Have to hold a fast idle with the throttle until warm, then it is fine.@

5 Related Answers

tombones

  • 3567 Answers
  • Posted on Apr 19, 2009

SOURCE: 2006 honda shadow areo idles, revs fine boggs on acceloration

Remove the water trap bowl at the bottom of the petcock, (gas valve). Any water or trash in the bowl? Drain a cup of gas from the tank. Any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the
carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Before putting the slide back into the throat of the carb, move the clip on the jet needle one notch lower. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

Please rate this solution. Thanks!

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Anonymous

  • 408 Answers
  • Posted on Jun 04, 2009

SOURCE: Engine won't stay running

Sound like fuel supply fail.Check the fuel pump, fuel filter and fuel pump relay first.

Anonymous

  • 152 Answers
  • Posted on Apr 07, 2010

SOURCE: I'm thinking about buying a 2007 Honda sabre

I believe the 2007 Sabres are still carburated. I owner an 07 shadow and it was carburated. Still is a great bike and its ultra responsive. You won't be able to tell the difference.

Anonymous

  • 707 Answers
  • Posted on Aug 12, 2010

SOURCE: how would i go about replacing a fuel tank on a

Just remove seat and any fairings restricting access and change out.It will not efect the fuel injection in any way.Hope this helps.

Anonymous

  • 132 Answers
  • Posted on Jan 06, 2012

SOURCE: how do u adjust the idle on a fuel injected vtx

should be an adjuster between the cylinders. Looks like a threaded knob. Sometimes you have to pull it out a little first.

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How do i stop the engine running at a fast idle

Assuming it is a completely mechanical system with no electrical or electronic control there is no actual fast idle facility unless it is provided by a Waxstat cable device fitted into the cooling system.

I think what you mean is the engine idle speed is too fast rather than it is running at "fast idle" which is a term used for a raised idle speed when an engine is cold and decreases as the engine warms until at normal operating temperature the idle speed should be normal. On an old diesel engine it is the Waxstat device if fitted that provides this facility or a hand operated throttle. Very old cars and trucks had hand throttles for fast idle but later this function was provided by the choke or strangler mechanism. Some luxury cars had an electrical device fitted but the fast idle of modern engines is invariably provided by electronics.

I expect you need to adjust the throttle stop screw of the injection pump. This is at the lever where the throttle linkage connects to the pump and there is generally two stop screws fitted that limit the travel of the lever. One screw limits the maximum travel of the lever and therefore the maximum engine speed and this is generally set during manufacture or remanufacture and sealed to prevent tampering.
The other screw is the idle screw which the lever is pulled against by a spring when at rest.
Before adjustment it is necessary to ensure the throttle linkage is not maladjusted and preventing the lever contacting the stop. Disconnecting the linkage until the idle speed has been adjusted will ensure this and then slacken the stop screw locknut, start the engine and turn the screw in or out as applicable until the desired idle speed is achieved, allow the engine to warm up and make further adjustment if necessary and tighten the locknut and reconnect the throttle linkage. Do not adjust any pump screw except the idle screw.

Good luck!
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If carbureted, after you push the choke in does it still idle fast? If so, there is an idle adjust screw on the top of the carburetor just behind the air cleaner.

Do you have a tach on the bike? If you do, then the normal warmed-up idle should be 1000rpm.
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