Indian 1913 7 HP T.T. Two-Speed Model 988 cc IOE V-twin frame & engine # 70E691 By 1913 Indian becomes the largest motorcycle manufacturer in the world; the 1913 production amounts to almost 32,000 machines. There are 2,000 dealers all over the world and Indian controls some 42% of the domestic American motorcycle market..
Indian 1919 “N-19 PowerPlus” 998 cc side valve V- twin combination frame & engine # 71M868 For model year 1919 only minor changes are made in The PowerPlus specifications: the gearbox gets larger bearings and an oil groove in the enlarged mainshaft improves lubrication. The valve chambers are larger and the engine main and big end bea..