Wiring diagram R50 - R69S 6V - Salis Parts Salis Parts R25 R25/2 R25/3 R26-R27 R26 R27 R50-R69S R50 R50/2 R50S R60 R60/2 R69 R69S R51/2-R68 R51/2 R51/3 R67 R67/2 R67/3 R68 Wiring diagram BMW R50 – R69S – 6V (1955 – 1959) Wiring diagram R50 – R69S 6V. BL = Blau = Blue. BR = Braun = Brown. GE = Gelb = Wiring diagrams Archieven - Salis Parts Salis Parts Stromlaufplan BMW R25/2. Wiring diagram R50 – R69S 6V. Wiring diagram BMW R50 – R69S – 6V (1955 – 1959) BL = Blau = Blue BR = Braun = Brown GE = Gelb = Yellow GN = Grün = Green GR =Grau = Grey RT = Rot = Red SW = Schwarz = Black VI = Violet WS = Weiss = White Powerdynamo assembly instructions for BMW R25, R25/2, R25 With the pack comes a relay. For its wiring see further below. As later R25 and (normally) all R26 have a main switch that sports an (unused) pin 2, the blue kill wire from the advance may be directly connected to this pin 2 with the relay completely left out. For a wire diagram without relay see diagram 91ik12. need a wiring digram | Vintage BMW Motorcycle Owners Vintage BMW Motorcycle Owners is a non-profit association and is not affiliated with BMW AG or BMW of North America. Use or depiction of the BMW logo or trademark throughout this web site is for illustrative and editorial purposes only, and to the benefit of the trademark owner, wwwu wwwu '51 R51/3 Ignition Terminal Questions.. | Vintage BMW I haven't been able to find anything that has that gray wire in it. I have the Doug Rinckes book (version 2) but it's only for the R25-on singles and /2 singles. However, there's some similarity between the R25/2 or /3 wiring diagrams as the R51/3 that you show.ably makes sense as converted by Web2PDFConvert - oldthumpers PDF file1953 BMW R25/3 Motorcycle Owners Manual BMW R25/3 Motorcycle Web Page The pages below are scanned from the October 1953 BMW R25/3 owners manual. There 88 pages in the original, which I will add as time permits. Right now 40% of the most important pages are below. converted by Web2PDFConvert.