The CB125 was a 122 cc (7.4 cu in) motorcycle made by Honda from 1971-1975 (1973-1985 in the US). It had an overhead camshaft (OHC) engine with a 9500 rpm redline. It could comfortably maintain speeds of 55 mph (89 km/h) and had a top speed of around 65 mph (105 km/h). This bike was able to produce 12 horsepower @ 9000 rpm with 9.87 N.m max torque @8000 rpm. CB 125 was integrated with 5-speed chain drive transmission and equipped with carburetor fuel system. Here is the wiring diagram of Honda CB 125 that consists of right front turn signal light, engine stop switch, rear stop switch, silicone rectifier, right rear turn signal light, wire harness, front stop switch, speedometer, headlight, left front turn signal light, ignition switch, headlight, headlight dimmer, alternator, neutral switch, ignition coil, condenser, contact breaker, spark plug, battery, left rear turn signal, relay.