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Archives for FZR400

Yamaha FZR400 Fuel Pump Circuit Diagram

Yamaha FZR400 Fuel Pump Circuit Diagram (1989). The fuel pump circuit consists of the fuel pump relay, fuel pump, “ENGINE STOP” switch and digital ignition unit. Fuel is pushed out from the pump until carburetor float chamber is filled with fuel, and then the cut-off switch cuts off the circuit.

Yamaha FZR400 Digital Ignition Control System

Yamaha FZR400 Digital Ignition Control System. The FZR400 electronic ignition that sparks the engine is computer controlled and operated by the digital microprocessor. It has a pre-programmed ignition advance curve. The following schematic shows the Yamaha FZR400 Digital Ignition Control System Circuit and Wiring Diagram.