Blue to green? Gear oil

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FormerParatrooper

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I just winterized my motor and when I drained the gear case and I noted the fluid was pea green to almost fluorescent and thicker than I expected.. Problem is last year I filled it with Mystic JT4 and it is blue.

Motor is a 1967 Johnson 9.5 Hp.

I let the fluid stand and did not notice any water separation or shavings.

Is the color a cause of concern, or is this normal?
 

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