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Final drive spline R75/7

6 Posts
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Tim Cubbedge
(@tim-cubbedge)
Posts: 11
Active Member Customer Registered
Topic starter
 
[#3300]

What do you all think of my final drive spline? Does not look good to me but I thought I’d ask the experts. 


 
Posted : 06/09/2026 16:01
Richard W
(@wobbly)
Posts: 2759
Member
 

That needs replacing !


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

 
Posted : 06/10/2026 05:34
Tim Cubbedge
(@tim-cubbedge)
Posts: 11
Active Member Customer Registered
Topic starter
 

Posted by: @wobbly

That needs replacing !

Yea I was afraid of that. 

 


 
Posted : 06/10/2026 17:16
David Elkow
(@4949)
Posts: 396
Reputable Member
 

That looks 50-60% gone. To me, 2/3 gone is the end of the road. So…. It’s apart, I’d get it redone. Mine was recently redone by Scottie’s Workshop in CA. 

 

https://blog.scottiesharpe.com/

https://www.facebook.com/scottiesworkshop/


This post was modified 3 weeks ago by Richard W
 
Posted : 06/11/2026 03:38
Tim Cubbedge reacted
Stephen Hughes-Jelen
(@r0ckrat)
Posts: 15
Eminent Member Customer Registered
 

Scottie's Workshop looks cool from the pics!


 
Posted : 06/11/2026 09:03
Tim Cubbedge
(@tim-cubbedge)
Posts: 11
Active Member Customer Registered
Topic starter
 

Posted by: @4949

That looks 50-60% gone. To me, 2/3 gone is the end of the road. So…. It’s apart, I’d get it redone. Mine was recently redone by Scottie’s Workshop in CA. 

Thanks. Didn't see them but I think Randy Long (Long's Mechanical Service) in PA will do it for me. We talked a while today and his price was right if I supplied the part.


 
Posted : 06/13/2026 12:15

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