Question about Skyteam ST 125-3 Motorcycles

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Carb settings for a sky jet 125 cc 08 plate - ST 125-3 Skyteam Motorcycles

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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SOURCE: wot size are the jets on a standered 28mm carb .rs125cc

hi you may be better to try one size up at first then up one more as it may run better or worse make sure it dont run lean or it will burn a hole in the piston.... have you deristricted the ex pipe as taken the washer out of the down pipe
cheers jay

Posted on Jun 28, 2009

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SOURCE: yamaha yz 125 1994



Can I get a “very helpful” rating on this answer? Thanks!

Posted on Jul 06, 2009

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SOURCE: aprilia af1 125 sintesi, carb settings, what are

Hi and welcome to FixYa,

Jet size would depend which carb is installed, a Dellorto 34mm?

Initially, check the sparkplug tip colors. If very light brown to almost whitish, then lean mix; too much air, too little gas. Try raising the needle if if has notches and moving the e-clip. If fixed, use small thin washers. The basic idea is to make the needle rise early on throttle movement.

If an aftermarket open breather air filter is installed, then it would be causing the lean mix, too much air. Restrict the filter by adding temporarily upholstery foam to experiment at which thickness the flatspot would disappear.

Good luck and thank you for asking FixYa. Happy Holidays.

Posted on Dec 17, 2009

  • 1 Answer

SOURCE: need diagram for 2004 tt-r 125 carb

gas flowing out overflo tube while its running

Posted on Aug 09, 2010

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Hello my cpi Aragon GP 125. Model 2012 when been on a run sometimes the carb spits petrol back through the air filter.l have to disconnect the air filter to empty it, then it will start again.??

Hi, Bryan spitting is usually caused by a faulty accelerator pump and or nozzle, or the float bowl needle and seat leaking and overflowing through the main jet mixing well nozzle, or the air-fuel mixture screw is set to lean. 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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I have a sunner 125 cc 4 stroke it will only run

First need to clean all jets in carburetor very good .

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My skyjet sj125 23 wont start on the button or the kickstart

Please help.. somebody pushed my sky jet 125 over and now it won't start. I have spark but no fuel i n the carb. Does it have a fuel cutoff? Or something similar?

Nov 03, 2012 | 2004 Skyteam ST 125-3

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Need to know the carb jetting sizes for a 1994 cagiva mito 125 cc

Hi, Bouncytigger sorry you can't find the first and best tool you ever bought for your Cagiva despair not for a mere $0 you can download another one. For more information about your issue and free downloads that you will need please visit the websites below. Good luck and have a nice day.
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1 Answer

How are the basic setting in the carburator?

You have a mikuni carb. there are curcuits to the carb. the first that works from idle to 1/4 throttle is the pilot cicuit, from there you transition to the needle jet/and jet needle. That controls the 1/4 to 3/4 throttle and then the main' jet which controls WOT. you may have a air screw that would be before the throttle plate if it is after it is a fuel screw find the factory specs for the jet sizes and make sure all is correct. if not you isolate where the problem is and correct in a rich or lean adjustment' I race yamaha 2 stroke road racing bikes, it is not an easy task sorry to complicate you so much

Sep 28, 2010 | 2003 Yamaha YZ 125

1 Answer

Yamaha SR185 1981 carb settings

Righhttt And I need some new brain cells, stock jet size is .075 float level in 17/64ths turn adjustnebt screws in till they bottom out lightly then turn one and a half turns out andthat should get it to run, otherwise go to the nearest library and check out the book for that modle. there is another adjustment for the venturi plates but don't remember the exact proceedure.

Nov 22, 2009 | 2001 Yamaha SR 125

1 Answer

Tt-r 125 e carburetor adjustment My son tried to clean the carburetor and set all the jets and screws tight. What do I set which jet at ?

The air screw and throttle screw are the only settings on the carb. Bear in mind they only screw in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. This is the factory setting. 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.

If the screw adjusters were screwed in tight they will likely need to be replaced. The end of the screws will have a depression ring and that little ring can screw up the carb.

Could you take a moment and rate my answer? Thanks!

Sep 25, 2009 | 2004 Yamaha TT-R 125 LE

1 Answer


You must purchase a 70 cc piston and jug for this bike the parts can be acquired at, also go up on the carb jet size and in some cases bore out the carb intake port.

Aug 06, 2009 | 2008 Tomos Se 125 F

1 Answer

Engine not running

Your carb should have another jet. What you cleaned was the main jet in the center of the carb. There should be another jet called a pilot jet. Often it has a metal plug covering it up so the setting can not be changed at that point. Instead, they want you to change the setting with the pilot air screw. In each case, if you remove the screw, count the number of turns for removal and put the screw back the same number of turns.

The pilot jet controls the idle. It picks up gas from the float bowl then the gas gets metered by the jet and the air screw then passes through a circuit (drilled passageway), in the carb casing and comes out in the center of the carb close to the needle jet. You will need to get the jet and circuit cleaned.


Jul 08, 2009 | 2006 Derbi Senda SM 125 4T

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