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Brief history...In 2009, Mercury informed builders they might be dropping the Sport Jet. I had already seen the writing on the wall, so started looking to Weber. My Weber intake/pump was working well, so Sugar Sand asked if I'd help with their Weber pump loading issues. During my time at SS, we solved the loading issues, then the damn Weber powerheads starting grenading. Disgusted, Sugar Sand turned to Yammie. However, the debt burden of SS's parent company was such it was draining Sugar Sands R&D resources. Thus, they dropped the project and some time later I purchased the Yammies and other misc units.Now I'm more curious as to why SS would have them. I thought SS used the mercury sport jet engines and pumps not yammy engines.
Because the ECU stores the engine hours, he is better off to sell the ECU with the new motor. But, you are correct that the ECU will bring a pretty penny if sold separately.I forgot to mention that the ECUs also have value separate from the engines.