Question about Poulan Wild Thing 2375 18" Gas Chain Saw 2.5 Cuin

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Need tool to adjust carberator low and high speed needle setting

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2 Answers

Carberator is flooding on my still 38 fs why?


something in the needle and seat preventing the needle from sealing off
could be float adjustment or in this case needle to diaphragm adjustment

Jan 15, 2017 | Motorcycles

1 Answer

How do i tell the differance betwen the high and low speed needles for a c1q zama carberator


LOW Speed is always nearest the engine...

High speed is always nearest the air filter...

PERIOD...

now there are some that only have one adjustment needle and it\'s an air bleed only (worthless crap)

or in Echo\'s case it\'s a single adjustment carb (still worthless)

Aug 22, 2014 | Garden

1 Answer

How many turns out is the factory setting on the high and low needles


Hi stanw71
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.
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Oct 13, 2012 | Husqvarna 128LD 17" Gas Trimmer

1 Answer

What is the air-gas settings on the carb?and which is the gas or air?


Hi windsordew67...
Normally the larger of the two screws is the fuel needle, the smaller of the two is the air needle.
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.
Normally you will adjust your idle jet to 1/2 to 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 to 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.
But always use the "lightly seated" method if you have not changed the settings.
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Jun 16, 2011 | Ryobi Garden

1 Answer

Need intructions on carberator adjustments for mac-3514 35cc/cm3 runs but hard to start after using it for few minutes.


There is a low speed jet and high speed. Low speed sets the idle or stays running without feathering the throttle./// When setting high speed, hold the throttle wide open until engine revs high, then turn back in(at least ¼ turn) to slow the engine which in turn gives the engine more gas and runs cooler. If you have it too lean on the high speed, it will be hot and hard to start. Sometimes using 40 to 1 mix helps with starting, especially on older chainsaw. good luck

Sep 22, 2010 | McCulloch Garden

1 Answer

How to adjust the low and high settings on the carb


With all the new EPA guidlines on emissions there are many new type of carbs.The older type was easy, If its a walbro or zama brand and it has 2 adjustment screws as well as an Idle speed, preset the low and high at 1.25 turns out from set, start the saw, run it to full throttle,adjust the high speed needle counter clockwise untill you hear the engine start to flutter. You want to year the flutter about once every 4 seconds.then let it idle,adjust the low speen till it runs smooth then make it 1/8 turn richer. Many of the new carbs require special tools to adjust, not brain surgery, just to keep the air cleaner..

Oct 27, 2009 | Poulan Garden

1 Answer

Base adjust. on carb high and low needles on carb polen 42 18" thanks


The standard setting on needles is to screw them in all the way and then back them out 1 and a half turns.

You need to set the mixtures for the carburetor. You will find a Low and High adjustment screw. turn the low adjustment screw out. You will notice that the rpms should start increasing. keep turning it out until the rpms start to drop then turn it back in a quarter of a turn. You may need to readjust the idle speed so the chain doesn't turn during idle. Do the same for the high adjustment screw.

Oct 01, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

2 Answers

Carburetor adjustment on McCulloch Mini-Mac 30


turning Hi & Lo mixture screws in leans the mixture,out rich-ens it.turn the T screw in to increase idle speed the chain should slowly come to a stop at idle [chain brake off] adjust Low needle first until it accelerates smoothly then Hi needle for best 'revs'.then Lo again if necessary if you don't know where they were set before,start w/ screws 3/4 to 1 turn out from a lightly seated position

Sep 23, 2009 | Garden

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