Question about 1981 Suzuki GSX 400 F

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Hi. how meny turns is the air screws please. - 1981 Suzuki GSX 400 F

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Lightly seat both the air screw and the throttle screw. Now turn each of them one and one half turns outward. This is the factory setting.

Posted on Jul 15, 2010

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What is the adjustment screw under the throttle?

Hi Darren, on the right hand side of the carburator there is an idle adjusting screw with a spring behind it, turn screw clockwise to increase idle counter clockwise to decrease idle. At the front of the carburetor on the bottom of the venturi bore there is also an air/fuel mixture screw inside a carb body lug that may or may not be plugged with an aluminum cap that's about 3/16" thick. This cap can be drilled out to acess the air/fuel mixture screw. Turning screw clockwise will lean out mixture and lower idle, turning screw counter clockwise will richen mixture and raise idle. Start by turning gently the screw clockwise until it just barley bottoms out then back it out 1 3/4 turns. You need to balance the two adjusting screws to obtain an idle of 950-1000 RPM then back out air/fuel mixture screw 1/8 turn, snap throttle to confirm responce, you may continue to back out air/fuel mixture screw untill desired throttle responce is achieved, if you see black smoke coming out of exhaust you have gone to far and need to turn screw back in 1/8 turn at a time, final adjustment should be made with the engine at normal operating temperature. For more information about your question please visit the websites below. Good luck and hace nice day.
CV Performance Tuners Kit part 1
CV carburetor tuning part 2 Mixture screw adjustment
Harley CV carb mod
Adjusting Throttle Cables on Harley part 1 by Dr Chaos

Jul 09, 2015 | Harley Davidson FLSTC Heritage Softail...

1 Answer

Tuning specs for carb on 2005 ktm 65 . air screw and needle setting

Hi there mate,
turn the tick over screw and the air screw all the way in,
then turn the air screw out 1 full turn,
then turn the tick over screw out say 3 turns
then try and start the bike if it dos not start keep turning the tick over screw out buy 1 turn till it will tick over,

Sep 18, 2011 | 2005 KTM 65 SX

1 Answer


Take it apart and wipe everything clean....I spilled soda on my remote and the same thing happened sometimes I'd push one button and I'd turn off the TV or go to the meny when I wanted to chabge the channel... A couple of screws and it will come right apart

Feb 18, 2011 | Sylvania Televison & Video

1 Answer

Could you please tell me the carb settings on a 1981 ts 250 er meny thanks lindsey.

Turn the mix screw all the way in, then turn it out 13/4 turns. That should allow you to get the bike running and you can fine tune it from there with the engine idling.

Good luck.

Mar 26, 2010 | 1981 Suzuki TS 185

1 Answer



Please download asap - as it is stored on my personal FTP site, and will be removed in 48 hours.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

May 03, 2009 | Washing Machines

1 Answer

Air lines trooper 3.1 td k reg

air line or fuel lines,not sure what you mean by air lines ???this would only refer to commercial vehicle with air brakes.Do you mean the vacumn lines

Feb 04, 2009 | 1992 Isuzu Trooper

1 Answer

Hitachi 32LD6600 defaulting to ext-5 input, cannot change input from remote or set - non resposnive

you have to get your tv into "hotell" mode:

1 meny then type 1,3,2,5 and the hotel meny show...set it on and to start on ext5....close with meny...turn tv off and then on and your problem is solved

Nov 16, 2008 | Hitachi Televison & Video

2 Answers

Finding the drivers for LEO D400S laptop

If you can get inside, under the keyboard {be careful, there about 1,000 screws], look for the names of the chips. If you have more then 5 chips with the same company name.that is the REAL name of the laptop.Meny times a BRAND name company makes too meny laptops,computers & sells the extra under the other name, in your case [[LEO DESIGNote D400S ]]
your best bet is "look under the hood" get the real name.
p.s. sometimes they keep the same model # as the original, alot of times they don't.

Jun 29, 2008 | Computers & Internet

1 Answer

Recorded audio sometimes staticy

Usually, you have to meny wires connected to too meny things and left 'floating' all over the place.
tie up all the loose wires in the back of the machines.they sometimes act like an antenna.

Apr 09, 2008 | Toshiba W522 VHS VCR

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