Bill, how do you do it when you drain your red oil once every 5.68 - 10 years? Gotta be an important part of your ceremony once you get to the "decade point of change" for your crankcase of Klotz.
Charon, what does the JASO approved Suzuki-Kawasaki-Yamaha literature have to say on the topic of oil drainage temperature?
Where is the required poll !?! Where is the actual-factual and the nonsensical positions stated for the good folks to argue about?
Yeah,
you all are sick -- infected with winter keyboard-itus. It is going around this time of year.
Likely our grandaddys taught our daddys to drain oil hot in the age of single weight non-detergent oils because it was a needed thing. The "honey in the bottle" example still works for old style 20w50 oils some want to use today .... so "drain hot" is still the common mind set in the car world.
Modern synthetic multiweights don't change viscosity all that much so I would agree with Verslagen on them. Diesel oils keep the crap in suspension much better than car oils do, so any temperature would likely work for RotSyn. I use "non-suffering" fairly durn warm as I am impatient and won't wait for it to get cooler.
My sense of humor likes the "several drops on the inside of the arm" baby milk WARM that Charon will likely find in the JASO uniform method when he goes to looking for it after 5-6 more pages of debate -- old Japanese translators only used one term indiscriminately once they had picked it out of the dictionary.
Note that the "list method" involves tilting the bike right and left to get most of the rest of the oil out of the case covers and head bath. This is the "improved" method.
Do remember to put the plug back in before adding the new oil -- less messy that way.
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