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Machine starts on full choke but stops when we try to set it to idle . hainsaw

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Clean the Spark Plug. Put in new and proper mixed gasoline.

Posted on Jul 23, 2009

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Posted on Jan 02, 2017

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I have a Tomos a35 Sprint and I put a 70cc cylinder jug on it, a techno circuit pipe and I have a new carb. I up jetted it to a #58 and it starts only when the choke is down, once I take the choke off it...


You need to adjust the idle 1st.Main jet #58 is just for wide open throttle. Start by turning air screw all the way in "gently" till it stops, and back it out 1 and a half turns. Back out idle screw until slide is closed " not touching slide" . Turn until just contacts slide plus 1 full turn in opening slide. Start it up with the choke on and turn the air screw slowly in or out and slowly move the choke off till you can get it to run with the choke off. Than adjust idle screw " the one that moves the slide up and down to set the RPM. If you cant get her to idle with the choke off and the carb is air tight on the intake manifold. Carb might be to big. If you can get her to idle but it runs ruff I will try to help you tune the carb further. Good luck.

Apr 24, 2014 | 2005 Tomos Sprint

1 Answer

Chokes and Dies when cutting


Adjust the choke or carburetor. In case your chainsaw stalls when the engine is idling, ensure that the choke is set properly. To do so, first try releasing it to adjust it, and then move the plate and tighten all screws once again. To loosen any grit, spray carburetor cleaner spray on the choke's shaft. The carburetor may also need to be adjusted; consult your owner's manual which will guide you on resetting the idle mix screw.

Mar 13, 2014 | Ryobi 940968018 C4620 Label

1 Answer

Choke problem


That's an indication that the idle mixture is too lean, as the choke richens up the mixture, allowing it to run.

Your carb should be similar to this:

http://www5.picturepush.com/photo/a/3728808/img/3728808.jpg

The AIR SCREW adjusts the mixture (rich/lean), and the IDLE SCREW adjusts the idle SPEED.

Try screwing in the AIR SCREW 1/2 a turn and see if that helps.
If not, try another 1/2 turn.

Still no idle?

Turn the screw back where it was (1 full turn) and then screw it OUT 1/2 turn, then if not, another 1/2 turn.

Once you have the mixture correct, the idle speed can be set with the IDLE SCREW.

Jan 11, 2014 | 2003 ATK 125 4-stroke

1 Answer

When is a valve adjustment due on a 06 R1


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Instructions
    • 1 Open the choke by pulling the choke lever on the left handlebar control toward you. Set the bike on its kickstand, put it in "Neutral" and start it up. Allow the Road Star to warm up for about 10 minutes before continuing with the adjustment procedure.
    • 2 Locate the idle adjustment screw on left side of the bike just below the rider's seat. Twist the adjuster screw clockwise one full turn. This will ensure the bike stays alive so you can adjust it to the proper setting.
    • 3 Close the choke lever and listen to the engine carefully. Twist the idle adjustment screw slowly counterclockwise. You should hear the engine speed start to slow.
    • 4 Twist the idle screw counterclockwise until you hear the engine start to sputter and die. When this happens, stop and turn the screw one half turn clockwise. Your bike should now be idling at the correct speed.



1_16_2013_4_26_18_am.jpg

Jan 15, 2013 | Motorcycles

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I have a 2005 harley davidson sportster xl 1200 custom. after bike is at normal operating temp.when i stop for redlight or stop sign, bike idles to fast.i can let out on clutch little bit and it will slow...


If the carb is adjusted correctly, the engine will not idle without the choke when cold. I will usually take at least 3 to 5 miles of riding to get the engine warm enough to idle by itself without the choke. If your bike is a full operating temperature, it should idle at about 1000 RPM. If it's idling higher than this, you need to slow it down a bit.

Remove the air filter cover and look at the top right side of the carb. You'll see a screw there . This is the throttle stop screw. Turn the screw counterclockwise to lower the idle speed to 1000 RPM or so. Blip the throttle and let it settle back to idle. Reset it if necessary. Once set, put the air cleaner cover hand on.

Mar 14, 2011 | 2005 Harley Davidson XL 1200 C Sportster...

1 Answer

May mac 110 starts then it stops. I choke it it fires then i unchoke it and it starts and stops running.


Try backing the choke off about 1/2 way after it pops, and allow it to run for a few moments on that setting. Once the engine warms up, you can back the choke off completely. My Mac mini has no primer bulb, which means using the choke in a similar manner. Don't forget to set the 'fast idle' button on the throttle before starting (blipping the throttle will release the fast idle button). Hope this helps!

Sep 09, 2010 | McCulloch 16 Inch Gas Chain Saw MCC1635AK

1 Answer

Engine does not continue to run


Are you laying off the choke at any point? Full choke should only be used when starting a cold engine, it should run with no choke on full throttle. If there is not enough throttle i'd first try adjusting the tiny black screw on the carb beneath your air filter while you have it idling, letting the throttle have a little bit more room. If this doesn't work and you're running it properly than you may need to make some adjustments to the H L settings for your gas/air mix. This is also done while idling mind you and only with a clean air filter.

Apr 02, 2010 | Honda 25cc 4-cycle Mini Tiller

2 Answers

Could I please have the basic start procudure for the poulan 2375 Borrowed from a friend. won't completely turn over


1) Have fuel tank full of a mixture of 50:1 gasoline and 2 cylce oil.

2) Have bar chain oil tank full.

3) Push down choke to full

4) Pull over engine 2 times.

5) Push choke off

6) Pull over engine. If it does not start you may have flooded engine ect.
Please let me know.

Feb 26, 2010 | Poulan Wild Thing 2375 18" Gas Chain Saw...

1 Answer

Husqvarna 142e will not stay running. Going through the sequence of full/half choke it will start and run at high rpm when choked. Even after warmed up, it will die within a few seconds after dropping the...


Hi,
If it is only running high at full choke - then it is not getting enough fuel.
You've cleaned out the whole thing - so it's not air that's the problem. It's running - so it's not a spark problem - it's a fuel problem.

If you have a fuel filter - change it out or clean it properly. If the fuel line is clear, then you need to adjust the running setting of the carb - there are usually 2 setting knobs -one for idle - one for running / mix.
You need it running richer till you get it going - then trim it back to stop it smoking and get a good rev.

Aug 28, 2009 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

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