I have a 606n/a with like 120k on it I'd sell for $1,500 if you are still considering this. It is a 1997 motor so it does have the electrical pump on it, but I believe you can put a 603 pump on it.

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Can you send me some photos? I will PM you my email address. I was under the impression that all 606N/A had a mechanical pump.
The 1st photo is of the Electricaly administered pump. the second is for the N/A

Mark

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I sent you a PM.

Mark