YAMAHA OUTBOARD FT350 4200 V6 24V 350CV Get link Facebook X Pinterest Email Other Apps January 14, 2021 You can order this Original(Stock) or Stage1/Stage2 tuning firmware file for: YAMAHA OUTBOARD FT350 4200 V6 24V 350CV, ECU: MITSUBISHI HAH205, HW: 6AW-8591A-12 , SW: , Read more