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Author Topic: are 98 jets press or screw in?  (Read 767 times)

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Offline patpollin

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are 98 jets press or screw in?
« on: July 08, 2008, 11:08:59 AM »
I need to downjet my 76 550k from the stock 100s and would like to try 98s from an F bike-  would they fit my stock carbs  (I think 087A) carbs which have press in main jets? I don't know if some were screw in.    Thanks, Pat
« Last Edit: July 08, 2008, 11:10:45 AM by patpollin »
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Offline TwoTired

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Re: are 98 jets press or screw in?
« Reply #1 on: July 08, 2008, 11:15:25 AM »
Yes, they will fit.  Recommend new orings, though.

They will no longer be 087A carbs, of course.

Cheers,
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Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100

Those that learn from history are doomed to repeat it by those that don't learn from history.

Offline NickC

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Re: are 98 jets press or screw in?
« Reply #2 on: July 08, 2008, 11:28:34 AM »
Here is a related question (sorry for the hijack)
I opened up my 75 CB550K1 to find that the jets did not have the associated O-rings. Now that I have them, which direction do the jets face? I'm assuming that the tapered end goes towards the needle, but i wanted to make sure.
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Offline TwoTired

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Re: are 98 jets press or screw in?
« Reply #3 on: July 08, 2008, 11:31:38 AM »
You should be able to read the jet number stampings with them installed.

Cheers,
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Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100

Those that learn from history are doomed to repeat it by those that don't learn from history.
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