1973 BMW R50/5 Motorcycle Batteries

1973 was the end of the /5 series, and also the end of the R50 period.  The smaller cc bike had gone through many changes in the short years of production, selling a total of 7,865 bikes throughout the 4 years.  While BMW never got around to putting an electronic ignition on the R50’s, many enthusiasts who have restored these bikes have upgraded them to electric start.  Different people may have put different sized batteries in customized trays, but the most common battery boxes and batteries for BMW’s at the time were the probable choice, and are what is listed here. Please measure your battery or battery box before buying one of the batteries listed here.