DejaWiz mentioned: every thing internally is exactly the same, except for the ECM, that has a unique software package mapping in between the regular and VMax. Prime bulb and repeat...no start...key bulb again and maybe https://junaidxkjb989177.tinyblogging.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-buy-yamaha-90-hp-outboard-in-united-states-73332868