"Cold" oil change - Wrist Twisters
 
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post #1 of 39 Old 11-03-2013, 07:21 PM Thread Starter
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"Cold" oil change

So, I decided to break with accepted wisdom last week and change my oil cold. Gasp.

[Note that “cold” at the time meant an ambient temp of about 18 C / 64F in my garage.]

Here’s how my thinking went:

The day before the change I had parked the bike after a 250km trip in 20deg C temps at highway speeds – so the engine was, shall we say, well warmed through. As a consequence, I thought, the hot oil will have drained down to the pan, and will all be sitting in the bottom of the engine.

Starting it, I reasoned, would only send the oil back up into the engine, and require it to warm thoroughly and drain out again.

The only downside to the cold change would be the lack of viscosity at the time, which would require a slightly longer drain time, and leave a thicker residue of the older oil inside the pan.

The upsides were a cool engine and cool headers to deal with – seemed like a fair exchange to me.

Have I missed anything?

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post #2 of 39 Old 11-03-2013, 07:43 PM
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I think you'll be alright. The most important is that long ride before you shut it off last. Any combustion contamimants would have thoroughly been cooked and evacuated.

I think it's worse if you changed the oil cold after a bunch of short trips.

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post #3 of 39 Old 11-03-2013, 08:18 PM
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I've changed the oil like that before - never have worried about it.

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post #4 of 39 Old 11-03-2013, 11:00 PM
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I've changed the oil like that before - never have worried about it.
Same. No issues here.

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post #5 of 39 Old 11-04-2013, 06:44 AM
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+1 In fact this is how I normally change mine. As long as your replacing the oil filter with a new quality one, and changing your oil at regular intervals, I would think your fine.

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post #6 of 39 Old 11-11-2013, 09:04 AM
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I use to change my oil hot, but found that when I do that all the sediments that settled over night gets pushed back into the engine. I change my oil cold now, and the oil seems to be a lot less dirty after.

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post #7 of 39 Old 11-11-2013, 11:27 AM
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I seem to have oil that gets left behind in the block when done cold and after filling I end up with more than full.. just my exp.

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post #8 of 39 Old 11-11-2013, 11:50 AM Thread Starter
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Quote:
Originally Posted by ASIANREDNECK View Post
I use to change my oil hot, but found that when I do that all the sediments that settled over night gets pushed back into the engine. I change my oil cold now, and the oil seems to be a lot less dirty after.
That's an interesting observation.

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post #9 of 39 Old 11-11-2013, 12:17 PM
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That's an interesting observation.
You have to remember metal expands when it's hot giving you more room to add more oil. When it's cold metal contracts leaving you less room, especially with aluminum blocks. When we drain our oil, there is no benefit in heating up our bike; other than to make the oil flow quicker. When you heat up the bike the day prior the oil already had a chance to move around the engine, so why do it again before an oil change? It took all night for gravity to pull all the dirty oil down to the pan, why force it back up by starting your engine before an oil change?

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post #10 of 39 Old 11-11-2013, 05:13 PM Thread Starter
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You have to remember ....
When you say "you have to remember, do you mean "we have to remember"?

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post #11 of 39 Old 11-11-2013, 05:53 PM
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I actually found out my lil overfill mishap by accident.. changed my oil cold and then found it overfull. i used the right amount of oil refilling. Spoke to my local motorcycle shops mechanic who asked me, "did you do it cold?" I said ya, his response ,"and there lies your problem." So I always do it warm now lol haven't had the problem again

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post #12 of 39 Old 11-12-2013, 12:38 AM Thread Starter
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Good thing there's a sight glass, eh?

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post #13 of 39 Old 11-12-2013, 01:43 AM
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Quote:
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I actually found out my lil overfill mishap by accident.. changed my oil cold and then found it overfull. i used the right amount of oil refilling. Spoke to my local motorcycle shops mechanic who asked me, "did you do it cold?" I said ya, his response ,"and there lies your problem." So I always do it warm now lol haven't had the problem again
How did you overfill it by using the right amount of oil?

Sounds like bs like your wheelie thread.

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post #14 of 39 Old 11-12-2013, 06:03 AM
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No bs here except for people like you posting on my shit

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post #15 of 39 Old 11-12-2013, 06:07 AM
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I don't really care if you believe me or not... I could tell you all still dislike someone who doesn't kiss every ones ass when no one recently responded to my question about using brake caliper bolts to lift my bike.. I like being a loner no approval needed from you or anyone else.. I took care of it without any of your help

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post #16 of 39 Old 11-12-2013, 06:16 AM
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So is the black ninja blacklisted?

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post #17 of 39 Old 11-12-2013, 06:16 AM
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Lol

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post #18 of 39 Old 11-12-2013, 06:19 AM
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Call Bill Casson Yamaha on congress & oltorf in Austin, TX and talk to the mechanic. Ask him yourself lol

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post #19 of 39 Old 11-12-2013, 06:21 AM
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Correction Bill Kasson 15124447482

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post #20 of 39 Old 11-12-2013, 06:41 AM
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Dang Andrew, looks like you hit a nerve.

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post #21 of 39 Old 11-12-2013, 06:43 AM
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I just don't take no crap lol y'all should know that by now. Probably why he's having fun w me lol I can be fun

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post #22 of 39 Old 11-12-2013, 07:05 AM
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I just don't take no crap lol y'all should know that by now. Probably why he's having fun w me lol I can be fun
I kinda figured you're just racking up posts to become eligible for the free 919 stuff

To each their own, I always change the oil hot since it gives me an excuse to thrash around before an oil change

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post #23 of 39 Old 11-12-2013, 07:31 AM
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Didn't know this app even gave away free stuff. I also don't know if I can mod on 919 stuff on my ninja lol joking

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post #24 of 39 Old 11-12-2013, 07:32 AM
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Good luck on the oil change

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post #25 of 39 Old 11-12-2013, 11:17 AM
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Its BS man, get over yourself. Like saying a pound of gold weighs more than a pound of feathers because it's more dense. Gtfo, your logic checked out at drink 2.

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post #26 of 39 Old 11-12-2013, 12:14 PM
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Not worth a response bro

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post #27 of 39 Old 11-12-2013, 01:34 PM
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Not worth a response bro
he says in his response...

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post #28 of 39 Old 11-12-2013, 01:39 PM
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I was thinking that as I was typing lol

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post #29 of 39 Old 11-12-2013, 02:38 PM
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I always thought the hotter the better. Aren't there places you are more likely to get drainage from if the oil is hot? I guess not, it really doen't matter? Just let it drain longer?

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post #30 of 39 Old 11-12-2013, 02:56 PM Thread Starter
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I always thought the hotter the better. Aren't there places you are more likely to get drainage from if the oil is hot? I guess not, it really doen't matter? Just let it drain longer?
Yeah, my original point was that, by definition, the engine has already been hot and the oil has already settled - it's all in the bottom of the sump waiting to go, unless by some miracle you parked your bike after the previous run, and it had magically already cooled.

So the idea of bad oil lurking around your engine, hiding from the drain plug, is a bit of a false one. There will be a bit more residue left inside the sump itself, but nowhere else....coz last time you ran it, and parked it, the oil all slipped to the bottom, just like it will everytime you run it, and park it.

The oil doesn't do anything special on a pre-oil change run - it don't know sh*t about the oil change, it just soaks to the bottom once the pump stops pumping it, as always....

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post #31 of 39 Old 11-12-2013, 03:01 PM
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I don't really care if you believe me or not... blah blah blah
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blah blah blah
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can't stfu
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WAAAAAA
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blah blah blah
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STILL can't stfu






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Its BS man, get over yourself. Like saying a pound of gold weighs more than a pound of feathers because it's more dense. Gtfo, your logic checked out at drink 2.
^+1

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post #32 of 39 Old 11-12-2013, 03:36 PM
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But it happened to me man lol there could be an unseen variable (my bike wasn't perfectly level/didn't allow enough time to drain/etc.) I did drain it till no more was dripping from filter or plug and got it pretty level. I added the correct amount per svc manual and ended up a half a quart over? I asked the mechanic why? He told me it was due to me doing it cold. Lol guess there is a difference of opinion on this subject

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post #33 of 39 Old 11-12-2013, 03:42 PM
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post #34 of 39 Old 11-12-2013, 03:44 PM
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And why am I milite gregarius maybe Andrew has a good explanation lol

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post #35 of 39 Old 11-12-2013, 03:46 PM
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I'd rather be the pvster cause he gets to be the cripple lol no one picks on the cripple lmao

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post #36 of 39 Old 11-12-2013, 03:59 PM
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And STILL can't stfu

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post #37 of 39 Old 11-12-2013, 04:12 PM
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FWIW, I can NOT get all the oil of out my Tuono cold. Just ain't happening. But then again, it's COMPLETELY different than the oil system on the 919. I won't go into the details.

Your oil mileage may differ.

Back to your regularly scheduled forum lashing.

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post #38 of 39 Old 11-13-2013, 09:06 AM
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Oil expands when it's warmed up, creating an illusion of draining more. Hot oil flows better yes, so when I shut off my engine hot oil started draining down to my oil pan collecting over night. So in the morning when I go drain it cold all the oil already had a chance to come off the engine walls pistons and crank. If I started it and warmed it up again it will once again leave residue on crank pistons and wall. It will stay there for sometime, even after I finish .

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post #39 of 39 Old 11-13-2013, 09:10 AM
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Googl? U love u some ginger?

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