Carburetor idle circuit cleaning

gamorg02 · Jul 28, 2011

how do you know its not opening until then?

choctaw · Jul 29, 2011

well there is a noticable boost when it opens and by watching the tach ,,,my '85 was dead on 6000 every time without fail ,,,but this one is erradic

gamorg02 · Jul 29, 2011

choctaw said:
well there is a noticable boost when it opens and by watching the tach ,,,my '85 was dead on 6000 every time without fail ,,,but this one is erradic

like revving it and watching it?

i never felt vboost until about 7k thats why i ask.

choctaw · Jul 29, 2011

just riding it and watching the tach and feeling it

choctaw · Jul 29, 2011

tech info says 6000 as well

maleko89 · Jul 29, 2011

It starts opening slightly before 6K and isn't fully open until 8K.

choctaw · Jul 29, 2011

Maybe its the sensor or something ,,,haven't had the time I thought I would today to tinker with it,,,servo is running its cycle when the key is turned on but when it does come on its late ,,,maybe vacuum ???:bang head:

mabdcmb@yahoo.com · Jul 29, 2011

Maybe you need to adjust the cable. Could be slack in it. Check the carb stickys for "vboost cable adjustment"

choctaw · Jul 29, 2011

I will check that thanx guys ,,,Kaboom told me to check that as well

DMAN999 · Mar 13, 2014

I converted it to .pdf format for Offline use:
https://dl.dropboxusercontent.com/u/55030067/Shooting the Shotgun - LvLHead.pdf

Traumahawk · Mar 13, 2014

Thanks for doing this Dennis. Its been a great help for everything that your doing.

Fire-medic · Oct 13, 2017

Want to do the shotgun? Want directions and good pics?

"404 File not Found" trying the link from Dman999

DMAN999 said:
I converted it to .pdf format for Offline use:
https://dl.dropboxusercontent.com/u/55030067/Shooting the Shotgun - LvLHead.pdf

Try this path instead. It worked after I uploaded it.

VMX86 · Aug 29, 2019

I've got a question. My carbs each have a hose running from where the drains screws are normally located up to a brass tube in air box at the carb mouth

VMX86 · Aug 29, 2019

Question is: what are those

Fire-medic · Aug 29, 2019

Do the carbs have the black rubber hose pairs running to the sides of the front of the airbox?

one2dmax · Aug 29, 2019

Sounds like an old "dial a jet" jet kit.

Michael Graham · Oct 6, 2019

Hey guys!. I've been using this site for too long now. So a donation and membership was in order. I do have a little input, and once the problem of overcoming the posting of pic's and such is overcome I hope to add some info of use. I do have a repair which was done to my 95 max. involving a method to restore adjustment to vmax idle mixture screws, which have unfortunately stripped the deeply recessed threads. just might save the price of a new carb. if pushed I might try a verbal explanation.

mabdcmb@yahoo.com · Oct 7, 2019

Michael Graham said:
Hey guys!. I've been using this site for too long now. So a donation and membership was in order. I do have a little input, and once the problem of overcoming the posting of pic's and such is overcome I hope to add some info of use. I do have a repair which was done to my 95 max. involving a method to restore adjustment to vmax idle mixture screws, which have unfortunately stripped the deeply recessed threads. just might save the price of a new carb. if pushed I might try a verbal explanation.

That would be useful to many. If you help uploading photos, free to shoot me an email and I can upload them for you. My email is my user name but replace "yahoo" with "gmail"

huw s · Apr 22, 2020

Started on removing the stuck idle mixture screw tonight - drilled into it and tapped in a hex key - it doesn't want to move. So tomorrow night I will remove the diaphragm and subject the carb to some heat.
I did pull the mixture screw out of one of the other carbs - looks identical to the xj600 screws, so I have some spares.

desert_max · Apr 22, 2020

huw s said:
Started on removing the stuck idle mixture screw tonight - drilled into it and tapped in a hex key - it doesn't want to move. So tomorrow night I will remove the diaphragm and subject the carb to some heat.
I did pull the mixture screw out of one of the other carbs - looks identical to the xj600 screws, so I have some spares.

I gave up on my stuck mixture screw recently before I ruined the carb body. Took it to a local shop that does EDM (electrical discharge machining). Cost me a little, but I am not always delicate enough on difficult extractions. Good luck with yours!

Carburetor idle circuit cleaning

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