Polaris ATV Forum - View Single Post - 2007 450 Sportsman oil & filter recommendations
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post #1 of (permalink) Old 06-25-2019, 12:27 PM Thread Starter
Morti1955
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2007 450 Sportsman oil & filter recommendations

I need to change my engine oil and filter. As for oil I will use a full synthetic ofc, but what viscosity and brand? I have read 5W-50 for temps to -10*F, 10W-50 for 0*F, and 0W-40 as another suggestion. My operating temperature range will be 0*F to appx. 100*F. I live in central NY where this is about average minimum/maximum lows and highs. 2qts of PS4 will not break the bank nor will the oil&filter kit, just need some additional input. Also, I would like advice on some manufacturers and filter numbers. Additionally she is due for a coolant change and I have some leftover HOAT coolant from my Jeep GC. Just wondering if I do a full flush and refill if that is OK. Or just plain old green ethylene glycol. TIA for your advice and recommendations

Nah, it doesn't look that steep
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