SOHC.co.uk Forums > CB500/550
Clutch push rod question ?
Oddjob:
--- Quote from: AshimotoK0 on March 06, 2023, 04:34:11 PM ---
--- Quote from: Oddjob on March 06, 2023, 03:35:35 PM ---That's broken Ash, no metal part on one end and it should have metal parts on both ends. The end missing is the end which Ted has all the corrosion on.
There is a modern Honda which uses a push rod of the same diameter but it's slightly longer, I'm looking at using one of those when or should I say IF I can do an hydraulic clutch conversion, however it may be able to be adapted for use as a normal push rod. I'll take some measurements and see. It's also 3 parts, one long rod with 2 metal ends.
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whoops .. how about this one Ken?
https://www.ebay.co.uk/itm/385439436435
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That ones fine Ash.
Seabeowner:
--- Quote from: K2-K6 on March 06, 2023, 04:33:17 PM ---
--- Quote from: Rozabikes Tim on March 06, 2023, 02:21:00 PM ---
--- Quote from: Nurse Julie on March 06, 2023, 12:25:43 PM ---They are a 3 section rod on later ones or all one section as Ash has explained. They usually break in two parts as the chain hits it.
Yours is a common problem with the seal cutting in to the rod, which will cause the oil to weep past the seal. Have loads of rods that look the same as yours .
(Attachment Link)
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Is it brain fade or did someone (Graham maybe) get some made as specials?
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Similar thought from me. Seem to recall "silver" steel used, that's a ground to diameter stock heat treatable steel, and so suitable for something like this if bought in correct diameter. You could heat and quench the ends to harden after shaping them to correct radius.
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That's what I've been using for about 10 years. Had it made and treated at work. I also have a solid CB450 one, but have never tried it. I do notice that clutch bite point changes from cold to hot and thought it must be different expansion rates of engine and rod,
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AshimotoK0:
Whats all this then .. DS for 11 quid ??
https://www.davidsilverspares.co.uk/CB450K2-SUPER-SPORT-1969/part_334320/
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AshimotoK0:
Pretty sure they would clean up OK...only surface corrosion by the looks of it
McCabe-Thiele (Ted):
That's been on the DS site for a while iirc - unless they have a box of NOS rusted ones.
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