Rear brake question: 77 RM 125

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9/5/2018 5:07 PM

I am prepping my 1977 RM 125B for Vintage MX. I replaced the stock swingarm with the longer aluminum swingarm from a 1980 Suzuki PE 175. The 77 RM 125 rear brake cable is too short. My questions are 1. Is there a longer rear brake cable available from another model that would work ? and 2. Will the 1979/80 RM 125 brake pedal work on the 77 frame ? If I could use the 79/80 pedal then maybe I could use the brake rod. Any help would be greatly appreciated.
I have spent a great deal of time on this problem and I honestly cannot come up with a working rear brake.

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9/5/2018 5:45 PM
Edited Date/Time: 9/5/2018 5:52 PM

unfortunately i can not answer your specific questions but i think it's cool you are going to ride a vintage bike. one thing i can tell you though is that you may very well be able to have a cable made. I might start by calling motion pto.

https://www.motionpro.com/c/custom-cables

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9/5/2018 6:16 PM

Thank you for your response. I have sent Motion Pro an email and will call them tomorrow. Still wondering if brake pedal from 79 RM will work on my 77 RM125.

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9/5/2018 6:24 PM
Edited Date/Time: 9/5/2018 6:24 PM

if motion pro can't make it give dave miller a call.

dmc

Address: 5574 La Palma Ave, Anaheim, CA 92807

Phone: (714) 777-4084

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9/18/2018 8:25 PM

Also, Terry Cable will make you a longer cable.

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