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Author Topic: carbs apart  (Read 1070 times)

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Offline pinnacle

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carbs apart
« on: May 10, 2009, 10:58:09 am »
i took my carbs aprt this morning and found something i'm not sure is right first the floats were all at different heights second should i be able to poke through the slow jet and how do i remove the slow jet to clean looks like it is pressed in? carbs are off a 78 cb550k keihin carbs.real grungy in there what is a good dip that is available in canada boys?
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Offline robe0531

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Re: carbs apart
« Reply #1 on: May 10, 2009, 11:06:13 am »
u might be able to get the slow jets out with a pair of brass tip vide grip and wiggle them out
and yes u should be able to poke through them

u can also get replacement slow jets on ebay or from someone on here may have some
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Offline TwoTired

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Re: carbs apart
« Reply #2 on: May 10, 2009, 11:32:01 am »
The slow jets for the PD carbs are pressed or swagged in.  To clean, you must yank them out.  They are a tube with a restricted orifice inside them.  You should see light through them.
The orifice is about 0.016 inch in diameter.  So, if you insist on poking something through them, make sure the poking device is smaller that that diameter.
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Offline pinnacle

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Re: carbs apart
« Reply #3 on: May 10, 2009, 05:22:44 pm »
heyy t.t what's the best way to yank them out without damage  to them if they are pressed in? and just as an update i soaked them in releasal degreaser and parts cleaner and wow what a difference it made does a good job although it was $25 for 4 litres got it at canadian tire.
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Offline Johnny5

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Re: carbs apart
« Reply #4 on: May 10, 2009, 05:29:27 pm »
Use a rag and a very gentle squeeze with vice grips. Twist as you pull. They'll come out pretty easily.
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Offline jeepster

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Re: carbs apart
« Reply #5 on: May 10, 2009, 07:26:06 pm »
The nighthawk's slow jets were designed to be removable...at least according to my Clymer. Odd that they never thought of this until 1982.
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Offline cb750fbomb

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Re: carbs apart
« Reply #6 on: May 10, 2009, 07:49:41 pm »
Quote from: pinnacle on May 10, 2009, 05:22:44 pm
heyy t.t what's the best way to yank them out without damage  to them if they are pressed in? and just as an update i soaked them in releasal degreaser and parts cleaner and wow what a difference it made does a good job although it was $25 for 4 litres got it at canadian tire.
You may have already figured it out, I found that it helps to hold them your arms like cradling a baby as opposed to setting them down on a table or workbench. That way you cab squeeze them with your arms and pull down as you pull up with the pliers. I didn't figure that out until I saw Spanner1 do it.   
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