HD CAUTION - "Do not switch lubricant brands..."
#11
11-30-2009, 10:20 AM
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Didn't our Federal Government mandate that all oils be compatable?. .viscosity for viscosity? In my youth I worked in a truck stop and changed oil in big rigs and cages and at that time was told that all oils from different labels could be mixed without damage.. We used to upend the old oil cans from oil changes and let them drain into a larger can and when that can was full we(the guys that worked at the station ) would use it to change the oil in our pickups.. Thats where I learned to be young and brave..or is that foolish.. oh well it was a fun time..
As far as I know it's not just the viscosity that matters. It's in the fine print...those letter codes behind the weight. Some had additives designed for air cooled engines and high torque low rpm running and others do not. You can use a higher grade oil in a low grade application but not the other way around.
#12
11-30-2009, 10:22 AM
The woman at the automotive desk at Wal-Mart said I could switch to Mobile 1 for my scooter with no problem.
#13
11-30-2009, 10:27 AM
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Once I went to the H-D dealer to get a master link and the kid behind the counter said he had never seen a Harley with a chain before but then to bolster my confidence he said he was learning about the old bikes. That's when I smiled, said thank you, turned around and walked out...
#14
11-30-2009, 12:01 PM
Basically it says pick an oil and stick with it. Yes you can change brand and weight. Even mix them in an emergency (low on oil and the oil you use isn't available).
Just don't keep switching.
Also I believe the section on oil weight says to use the weight for the coldest temperatures before your next change. This implies that (depending on your area) you should use a heavier weight of oil during the summer and lighter weight during the winter.
Just don't keep switching.
Also I believe the section on oil weight says to use the weight for the coldest temperatures before your next change. This implies that (depending on your area) you should use a heavier weight of oil during the summer and lighter weight during the winter.
#15
11-30-2009, 12:17 PM
Rev-tech is the only oil I have used that said right on the bottle "Do not mix with other oils?
and if U have to, to top off in low oil conditions, drain and refill ASAP.
The indy I got it off of said that was directed at not mixing with Dino oils....
Though I have in the past mixed in a quart of different oil between changes,( in cars and trucks) I prefer not to do it. and now wont in the bike.
and if U have to, to top off in low oil conditions, drain and refill ASAP.
The indy I got it off of said that was directed at not mixing with Dino oils....
Though I have in the past mixed in a quart of different oil between changes,( in cars and trucks) I prefer not to do it. and now wont in the bike.
#16
11-30-2009, 12:34 PM
Got this from a real oil guy.The different additive packages that they put into the oil will cause some oil loss for a few oil changes untill your motor reseats.This is even a planned thing when fleets are changing from one type of oil to another,they are warned about some oil consumtion untill their engines reseat.
#18
11-30-2009, 01:09 PM
Got this from a real oil guy.The different additive packages that they put into the oil will cause some oil loss for a few oil changes untill your motor reseats.This is even a planned thing when fleets are changing from one type of oil to another,they are warned about some oil consumtion untill their engines reseat.
#19
11-30-2009, 01:14 PM
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My owners manual (09 Ultra) says that in a pinch to use a diesel rated oil but to change as soon as practicable.
#20
11-30-2009, 02:24 PM
Well guys; Anytime you change from one type or brand of oil to another, you are mixing oils. If you drained the oil tank and engine, and flushed both, then you would not be mixing. Every time I change oil in my 99 Softail, there is at least 6 oz. of oil left in the system. Personally, I do not think it is a problem. Half Harley 20-50 dino oil, mixed with half Mobil 1 20-50 synthetic works OK for me, until somebody shows me why I can't. All I have ever heard is do not do it. No one has explained why you shouldn't, or exactly what it does. I do not believe the chemical reaction thing. Your mileage may very.