Question about Husqvarna "Chain Saw - 16" Bar, 3 Hp

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Need initial carb adjustments for both high and low adj.

Please let me know the starting number of turns of adj. screw from full cw for both high and low speed adj. Husqvarna 444 se. thanks,JM

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Start at 1turn out on both that should grt it running from there..

Posted on Jan 31, 2009

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1 Answer

How do I adj carb when too lean


There are two screws on the carb (small ones) one adjusts the low and the other adjusts the high. very slight turns will get you what you need. Always remember where the screw started so you can get back if needed.

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Carb adj. for craftsman model


Start with one full turn out on low and high side, then set the idle. Make adjustments as needed after initial adjusting. You may not need anything but this is the starting position.

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Lev90 120 carb


Hi Charles Gregory
Before you remove or try to adjust your low and high speed jets you should always count the number of turns it takes to lightly seat the idle mixture screw and high speed needle adjusting screws.
Be sure to write the number of turns down on a piece of paper so you will know how many turns from the seated position to open the jets when you go to reinstall them, or if you remove them for cleaning or replacement.
If you have aready tried to adjust them then the adjustments below should get it running for you for final adjustment when warm.
Normally you will adjust your idle jet to 1/2-3/4 turn open from the bottom seated position.
Then you will re-adjust the low speed of the engine when the engine is warm by turning the idle screw in or out till the engine runs smoothly at idle speed, around 1200 RPM.
The high speed jet is adjusted to 1 1/2- 1 3/4 open from the bottom seated position, after the engine is warm.
Then re-adjusted by turning the High Speed jet adjustment screw in or out till the motor runs smoothly at high speed.
Alway use the "lightly seated" method if you have not changed the screw settings.
Please take time to rate me
Bud

Oct 01, 2012 | Garden

1 Answer

My chain saw will not start. I gave it to a guy who messed up the carb adjustments. Need to know the initial carb setting.


Turn both jet screws CW to stops (lightly), then back each out CCW 1-1/2 turns. This is a basic setting and should allow the engine to start and run. Start the engine and allow to warm up, then pull the throttle full on. Turn the H needle CW until the engine starts to speed up, but still 4-strokes. Correct adjustment is when the engine 4-strokes running free, but immediately 2-strokes when cutting. Release the throttle and adjust L needle so that the engine idles fairly well, but allows the engine to 'follow the throttle'. Adjust idle speed screw so that the chain stops turning, but the engine continues to run. Hope this helps!

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1 Answer

High & low carb needle settings


I would start with both the "H" and "L" needle valves at 1.5 turns CCW from lightly seated then adjust for performance as follows:
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
  • CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
  • Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.
  • Clean the spark arrestor and muffler; if the saw cannot exhale it cannot inhale.
  • There are 2 wav (sound - idle & full - may not be highlighted) files that I find most helpful, I think you will too.
If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH
Lou

Mar 16, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

2 Answers

On the husqvarna se266 carborater, what is the low and high screw settings or how many turns is the screws supposed to be at?


Initial setting for a Husqvarna; "H" and "L" screws at 1 turn CCW form lightly seated. Then tune for performance like this:
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.

There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too. HTH
Lou

Feb 22, 2010 | Garden

2 Answers

I need to know the carb adjustments for a Husky 65. I need to know how far each screw should be turned out on the carb to get it to run so that I can fine tune the saw.


Start with 1.5 turns on the low speed screw and 1.5 turns on the high speed screw. You can fine tune from this setting.

Feb 03, 2010 | Plumbing

1 Answer

Kohler engine carburetor adjustment on John Deere Model 112


When u adj a kohler carb you adj fuel not air. Always adj the high speed then low speed. Then adj the curb idle. 1.5 turns out is a good starting point. Then tweak it after its warmed up. Hope this helps

Nov 17, 2009 | Garden

1 Answer

How do I adjust carb on homelite b3850d chainsaw?


Should b 2 screws on side of carb. One is low speed adj and one is high speed adjust. Turn screws all the way in until they bottom, not too tight--turn them out 1 1/2 turns. Start saw and adjust the idle screw by turning in until it starts to sputter and turn out until is idles smooth same for hight speed only adjust at high speed

Aug 07, 2009 | Homelite Garden

1 Answer

Poulan 1950


tighten the left screw and right screw all the way.
losen the left screw 1 full turn and the right screw 1.5 turn and that should be the factory setting good day.

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