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I noticed on one of Brooks videos that the brake pressure switch wiring comes out of the main harness at the same point as the m/c float switch wiring, but my harness doesn't have any wiring for the pressure switch. I thought I might have some remaining wiring cutoff from this point. This is clearly...

No, I'm referring to the hydraulic pressure switch that threads onto the front of the master cylinder.
Yes, My bike has the wiring for the brake fluid float level sensor.

-Mark

My 74 R90 project has no wiring running to the hydraulic switch on the master cylinder. I assumed the P.O. removed it at some point. The front brake lever has a small mechanical switch built into the perch (the 74's have old style /5 controls). The front brake light works just fine. So what is the p...

I recently had a similar problem with a new brake cable on my 74 R90/6 project. A little too short to reach the master cylinder lever. I eventually figured out the that the cable end (nipple?) wasn't seating fully into the old original barrel. This is all hidden inside the brake lever so you can't s...

Hi. New member here. Name is Mark and I live 40 miles west of Chicago. I'm restoring a '74 R90/6. As you probably know, the early R90/6 used /5 style lever perches. I removed the clutch and throttle perch and right away I noticed the P.O. had lost the little wedges from both perches. So now the hand...