Question about 1997 Suzuki VZ 800 Marauder

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How do I adjust my idle so it idles a little higher

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You can find a screw with spring loaded in Carb just unscrew little to reduce and screw inside to increase idle.

Posted on Apr 07, 2011


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Posted on Jan 02, 2017

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SOURCE: 2002 suzuki LS 650 running lean at higher speeds, (off idle)

this prob happens allways in carburated engines that the car or motorcycle is running lean or rich . because the air - fuel mixture ratio is not right . so you should open the carburator and remove the air filter you will find two screws in the lower front section of your caeburator. you can adjust them by a screw driver until your car is smooth

Posted on May 31, 2009

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SOURCE: Spark problem

maybe when you are pulling the wire just a little you are making a better connection, make sure your wires are all in good shape, it may be just loose

Posted on Nov 20, 2008

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SOURCE: 2005 yamaha yzf 250-unstable idle

I had the same problem, Turns out that my shims were finished, replace the chims and check clearences.

Posted on Mar 12, 2009

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What is the adjustment knob on the throttle control arm of an evinrude 8hp for?

I think it's a idle stop. If you throttle it up a little you can turn it to the right and it will stop at a higher idle position. It won't raise and lower by simply turning it. It just limits or increases how far the throttle grip goes back to idle position. So you can set a trolling speed ect.

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I have a 2007 cbr600rr, and I have noticed lately my bike idles around 1900-2000rpm, normal is around 1400-1500rpm(this is when the bike is warm), also when using the engine for braking it feels a little...

Hi, Anonymous and the usual suspects are:
1. Throttle cables improperly adjusted, pinched or need lubrication.
2. Idle adjusting screw needs to be backed off.
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For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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How do you adjust low idle?

Look down and right next to the carburetor there is a little knob, turn that to left for lower idle and right for higher.

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88 suzuki quadrunner 300 idle problems

You could try using petrol rather than gas to start it.
Also run it off petrol rather than gas.

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I recently purchased a 1978 Honda Goldwing. It had some old gas in the tank so I removed the old gas and replaced the fuel filter. The bike was idling fair before now it's extremely high. Does this...

If the bike was idling OK when you ran it on the old gas, maybe the carbs were adjusted while the old gas was in the tank. The new gas could have cleaned the fuel system some and that's why your idle jumped. The fuel filter will definitely not cause your idle to go higher so no need to worry there.

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S-10 4cly idles high in park and when i put it in gear it idles even higher, I have looked it over high and low and cant find any vac leaks, and I have adj the idle screw out all the way, any ideas ?

sounds like you need to adjust the distributor, loosen the bold that holds the distributor ( just loosen a very little so you can move it) start the vehicle, and make adjustments, till it idles the way you want it.

Nov 27, 2010 | 1988 Chevrolet S-10

1 Answer

1.9 L starts just fine but will not keep running at idle. Stalls when coming to a stop (automatic). Just changed oil, didn't help. If I hold the idler arm just a tiny bit, runs just fine. Please...

With carbureted cars, the idle speed was set by adjusting a small screw that held the throttle open just a little. That screw rested on a sort of a disc with graduated steps on it, the fast idle cam. When the choke was partially or fully closed, that disc was turned a bit to present a higher step for that throttle-adjusting screw to rest on, providing a higher idle speed during warm-up.

With fuel injection, there is no choke, and the throttle blade almost completely closes at all temperatures and states of warm-up. When the richer mixture is needed that a choke used to provide, the Electronic Control Unit (or Electronic Control Module) simply flows more fuel through the injectors.

There also is a short (incha and a half, maybe?) air passage that opens onto either side of the throttle blade, a bypass passage. There is an electrically controlled valve in this passage.

When the engine is cold, the ECU opens that valve a little more to produce a faster idle, as the "fast idle cam" used to. When the air conditioner is turned on, presenting a load to the engine, that valve is electronically opened just a little to keep the idle speed the same even with the higher load. If the car has an automatic, when it is put into gear, that valve is opened a little to keep the engine running with the additional load the torque converter applies to the engine.

All of these idle-speed adjustments make use of a tachometer function in the ECU.

Now. These bypass air passages can become blocked, and the electrically operated valve (it is adjusted through a motor turning) can get enough accumulated crud on it to prevent its operation.

I would recommend first locating that bypass passage and its valve, disassemble that and clean everything carefully. Reassemble and see if all is well.

If not, I would think the ECU or its wiring is where the problem lies. Naturally, look for the connector that might have fallen off the bypass control valve, and so on.

The fact that the engine runs would seem to argue that the tachometer function and the accompanying circuitry are working correctly.

Aug 09, 2010 | 1999 Saturn SL

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Will not idle but runs when you hold the gas pedal down when you let off the gas its spits and sputters then stals

you need to adjust the idle to run higher. its not to hard to do, you just have to locate the idle control. you can find it by looking under the hood while someone presses the gas a couple times, you should see it move. All you have to do is tighten the cable that is connected to it,.. a little at a time until you get the desired idle. careful not to over adjust it, or you will idle to high and waste gas, and over work the enjine on very hot day's or very cold day's.

Mar 09, 2010 | 1991 GMC Sonoma

3 Answers

Honda civic 2000- idle speed is high even in park or neutral

Check your coolant level. The Idle air control valve works with coolant in the system and will produce high idle it there is very little coolant. Also check to see if there are any vacuum lines disconnected. They can also cause the high idle.

Jun 06, 2009 | 2000 Honda Civic

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