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#Yamaha #ZR #Scooter First maintenance for Yamaha Jog ZR moped (sa39j). 0:00 - Maintenance needs to be done 1:05 - Filter disassembly 1:40 - Transmission opening 4:04 - CVT inspection 6:30 - Front pulley modification 9:20 - CVT assembly and testing 11:43 - Gearbox oil change 13:21 - Engine oil change 17:12 - Antifreeze change