2001 Yamaha G19-EW "ULTIMA" (48V - DC MOTOR) Service and ...
Near the end of the G19 run sits the 2001 car, coded G19EW, with its 48-volt DC motor. Yamaha's manual for it carries part number LIT-19616-G1-90.
It covers the years 1996 to 2002 in one volume and names the G19-EP, G19-ER, G19-ES, G19-ET, G19-EU and the 2002 G19-AX besides this model. Yamaha built the series on shared hardware, which is why the coverage is written that broadly.
On an older battery car most of the difficult work is electrical, and this is where factory material earns its place. The motor and controller sections give test points and expected readings, the charging chapters give a sequence to follow, and the wiring diagrams show the harness as it was actually built. Mechanical procedures come with Yamaha's torque figures and wear limits.
Check the plate for G19EW.