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Author Topic: CB550K Needle numeric markings.  (Read 628 times)

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Offline dnewman417

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CB550K Needle numeric markings.
« on: July 31, 2008, 06:42:18 PM »
After reading a few threads on carburetion, I check a bank of carbs that I'm rebuilding and found the number E2350F marked on the jet needles.  Any idea what the significance of this number might be?  The bike is a 1978 CB550K.  Thanks
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Offline TwoTired

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Re: CB550K Needle numeric markings.
« Reply #1 on: July 31, 2008, 10:44:31 PM »
I think that's Keihin's marking system.
It somehow releates to the diameter, length, and taper of the needle.  But, I don't know if it's a table entry, or somehow denotes the dimension features within the number.

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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