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'77 R75/7 Broken clutch push rod

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Tim Cubbedge
(@tim-cubbedge)
Posts: 11
Active Member Customer Registered
Topic starter
 
[#3292]

So I bought this bike a month ago pretty cheap. It ran but the clutch push rod was broken (that's what the seller told me). Started disassembly and out came the adapter and thrust bearings and only a portion of the push rod so now more disassembly in the works, which is probably a good thing because of age of bike.  My question - is broken push rod a common problem or any idea what may cause it to crack?


 
Posted : 05/28/2026 03:52
James Strickland
(@8053)
Posts: 450
Honorable Member
 

Tim, yours would be the first one I have heard of. Bear in mind, I am not a professional mechanic so I don't see all kinds of things. It seems odd to me that the seller knew about it but was unwilling to fix the issue.


former Airmarshal, IL.

 
Posted : 05/28/2026 04:38
Tim Cubbedge reacted
Richard W
(@wobbly)
Posts: 2752
Member
 

Very rare. Never even heard of it.

 

I suspect if the owner failed to maintain "clutch lever clearance", then both ends could weld to their seats due to friction and twist the rod in half. That's all I can even imagine. 


Owning an old Airhead is easy.
Keeping an old Airhead running great is the true test.

 
Posted : 05/28/2026 05:47
Tim Cubbedge reacted
Fred Saracho
(@alfredo-saracho)
Posts: 5
Active Member Customer Registered
 

How did the seller even know the push rode was broken? I imagine he had to have disassembled it to the point where he saw it. It sounds like you already are going down this path but I'd want to take the transmission out to see if there's something going on with the clutch assembly as well.


 
Posted : 06/06/2026 06:01
Tim Cubbedge
(@tim-cubbedge)
Posts: 11
Active Member Customer Registered
Topic starter
 

Posted by: @alfredo-saracho

How did the seller even know the push rode was broken?

I think his mechanic told him. I’ve since pulled gear box, clutch and fly wheel. Basically complete inspection. 


 
Posted : 06/10/2026 17:14

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