Author Topic: Which one for which one  (Read 357 times)

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Offline Can550

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Which one for which one
« on: October 11, 2018, 02:25:39 pm »
If someone could please identify which element for which year. I know one is up to 76 and other one for 77/78 cb550k

Don’t recall which year takes taller one.

Thanks




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Offline BRG-BIRD

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Re: Which one for which one
« Reply #1 on: October 11, 2018, 04:43:36 pm »
Seems like my 75 takes/has the taller one.

Offline my name is nobody

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Re: Which one for which one
« Reply #2 on: October 11, 2018, 08:14:03 pm »
yup the shorter one is for the 77/78

Offline Can550

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Re: Which one for which one
« Reply #3 on: October 11, 2018, 08:36:03 pm »
Thanks


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Online Deltarider

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Re: Which one for which one
« Reply #4 on: October 11, 2018, 11:42:13 pm »
If you have the original Honda air intake, I wouldn't use those breathers at all, as it will most likely humidify/foul the paper airfilter element. Some turned to inferior filters like Unifoam only to face other problems, others simply closed the breather intake and have the tube rerouted as shown on p. 170 of the Honda Shop Manual CB500 - CB550.  https://www.classiccycles.org/media//DIR_1653304/DIR_1653404/DIR_1653507/ecc6759db0a214d5ffff8825ffffe41e.pdf  BTW, this will not affect performance in anyway.
« Last Edit: October 11, 2018, 11:50:14 pm by Deltarider »
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Offline Can550

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Re: Which one for which one
« Reply #5 on: October 12, 2018, 07:51:55 am »
Good point
Appreciated


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Offline Smudgemo

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Re: Which one for which one
« Reply #6 on: October 12, 2018, 08:33:45 pm »
If you need a repo seal for the earlier one, let me know.  I ordered an extra by mistake.

https://www.claussstudios.com/store/c15/Honda.html
-Ryan
Project #1 1976 CB550F Rebuild: http://forums.sohc4.net/index.php/topic,160110.0.html
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Offline TwoTired

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Re: Which one for which one
« Reply #7 on: October 13, 2018, 12:36:59 pm »
Good point


No, it's not.  It is a highly biased opinion without first hand knowledge.

The breather works fine for those that actually use it.  I do.  But, you must keep the foam insert from total saturation blockage in wet/cold weather and short engine run times.   Also, the drain tube needs to be kept clear and able to leak out collected water from the engine crankcase (which is highly desirable for good engine health).

The shorter one is the later design.  I've also seen earlier ones cut down by P.Os.  (Who didn't take routine bike maintenance seriously.)

Cheers,
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 Can550

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Re: Which one for which one
« Reply #8 on: October 13, 2018, 03:42:44 pm »
Thanks TT
always wealth of knowledge and good advice from you.


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Offline Can550

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Re: Which one for which one
« Reply #9 on: October 13, 2018, 03:43:14 pm »
If you have the original Honda air intake, I wouldn't use those breathers at all, as it will most likely humidify/foul the paper airfilter element. Some turned to inferior filters like Unifoam only to face other problems, others simply closed the breather intake and have the tube rerouted as shown on p. 170 of the Honda Shop Manual CB500 - CB550.  https://www.classiccycles.org/media//DIR_1653304/DIR_1653404/DIR_1653507/ecc6759db0a214d5ffff8825ffffe41e.pdf  BTW, this will not affect performance in anyway.
Thanks but I’m good with rubber seal.


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