Just purchased a 1966 Hinterhoeller 28 complete with original A4. I have zero experience with the A4 but am learning form lots of reading here as well as the manuals that came with the boat.
The engine was run for me on the hard for about 10 minutes. All appeared to be fine. Temp and oil pressure looked good. But here is my question. As I get ready to splash the boat in about 3 weeks, what basic maintenance would you recommend for an engine that has been stored for the past 5 years. The PO was an experienced sailor who claimed to start the engine regularly while on the hard. He was also a great believer in MMO. So I sense the engine has been fairly well cared for. But still I am seeing on these forums about various flushing. Should I flush or change anything? The A4 has been upgraded to electronic ignition for whatever that means.
The engine was run for me on the hard for about 10 minutes. All appeared to be fine. Temp and oil pressure looked good. But here is my question. As I get ready to splash the boat in about 3 weeks, what basic maintenance would you recommend for an engine that has been stored for the past 5 years. The PO was an experienced sailor who claimed to start the engine regularly while on the hard. He was also a great believer in MMO. So I sense the engine has been fairly well cared for. But still I am seeing on these forums about various flushing. Should I flush or change anything? The A4 has been upgraded to electronic ignition for whatever that means.
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