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Dirt Bike Brands - Other
dr oil duties ?
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[QUOTE="olderndirtmom, post: 1215488, member: 77254"] Jaybird, I understand what you are saying. And by shared sump you are referring to the fact that my oil serves multi purpose: tranny/clutch/engine and so the grit from one goes into the other as it circulates, yes? My dumping the oil that turned black was two-fold concern, and maybe you can help my understanding with this. To those of you who will be easily horrified at my ignorance, please cover your eyes and read no more. I've read, cursory, bleery eyed mind-you, the meanings of the SAE numbers, and the informative DRN thread on the difference between tranny oil and engine oil, which actually went a long way to furthering my knowledge...but never came up quite with the answer I was looking for before I needed to sleep. I haven't had a chance to keep looking by light of day, so, I'll go out on the line here and just ask. The manual calls for 10w-40. I understand the meaning of the various numbers. I presume that was what was in the engine at time of purchase. I purchased it with 12 miles on it, so most of the miles are my miles. I just assumed the bike was set up properly... maybe an error on my part...As I said, it was in the break in period. To date, I used it only on the road, not on dirt. Although the first twelve miles are anyone's guess. I exceeded pretty much all the break-in rules on speed, throttle position, rode it in December, never winterized it, rode it in early spring, etc. etc. The oil was low...but, what droplets appeared through the view window were normal oil color....Then I threw in 20w-40 yamalube. Turn engine on, instant black. So, presumably this was no chemical reaction then in the sense of two incompatible oils? "Merely" picking up swarf from the fact that I undoubtedly abused the little baby during it's settling period? Not burned on crust from the fact I let it get (too?) low? How bad is it, doctor, and is she gonna live? ;) Like I said, I drained it, and refilled with 10w-40....Nice and pretty now. I've not taken it out yet. Will change filter and oil again shortly. Thanks in advance for clarifying. The rest of you can uncover your eyes now. ;) [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
dr oil duties ?
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