2020 Yamaha UMAX 2 RALLY EFI Service and Repair Manual

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Code YUM2A21_UMXS marks the 2020 UMAX 2 Rally EFI, and Yamaha's book for it is LIT-19616-SR-20, a volume written for just two Rally models from that model year.

Fuel injection work is the centre of it: fault code retrieval, sensor and actuator tests, fuel pressure and pump checks, and the injection-side wiring. Engine coverage runs from removal through overhaul with clearances and torque values, and the ignition, starting and charging systems are given as measurements with expected results.

Chassis sections take in brakes and the parking brake, steering, front and rear suspension, wheels and the rear axle, plus body panel removal where it stands in the way.

Because Rally components differ from the standard car, quote YUM2A21_UMXS with LIT-19616-SR-20 whenever you are confirming a part.

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