Author Topic: Changing oil? Tip the bike!  (Read 4460 times)

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Ducati Scotty

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on: June 21, 2011, 06:26:47 pm
Usually I just drain the oil and get about 1 1/2 quarts out.  On last night's oil change and after reading about the technique here it tipped the bike from side to side on the center stand several times at the end of the drain.  I did this first with just the drain plug out and then later with the screen out too.  It sounded like there was lots more oil coming out as I did this.

Wow!  I measured and I got a full two quarts out and put a full two quarts back in to get it to full.  Sure, there's still a little residual oil in there but just tipping it back and forth while on the center stand got another half quart out of the bike.

Thank you forum brothers!

Scott


barenekd

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Reply #1 on: June 21, 2011, 06:33:09 pm
Tells you that in the owners manual.
Bare
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Ducati Scotty

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Reply #2 on: June 21, 2011, 06:49:01 pm
You read the manual?  I just hang out here ;)


barenekd

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Reply #3 on: June 21, 2011, 08:05:19 pm
Kinda like Brick on the TV show The Middle. I'll read anything!
Bare
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I refuse to tiptoe through life only to arrive safely at death
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TWinOKC

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Reply #4 on: June 21, 2011, 08:25:10 pm
Recently I removed the right side cover to do a repair.   It took just a little over 2 qts to bring the oil level up.  The owners manual says engine oil capacity is 2.75 litre.  My calculations tell me that equals 2.89 qts, maybe my math is off??

IMHO information on this forum is better than any manual.  :)
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2011 Triumph Bonneville T100
2015 Scrambler Ducati


Ducati Scotty

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Reply #5 on: June 21, 2011, 08:27:03 pm
Wow!  So it's still got another quart inside that it won't let me have.  Oh well, At least I'm getting out more than I was.

Scott


Sub

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Reply #6 on: June 21, 2011, 09:36:27 pm
I'll probably get a lot of flak for this, but I turn the bike over a few times (not starting) and a LOT more oil comes out. I guess there is oil stuck in all of the little channels in the motor and it seems to pump it all out.

My logic is that whatever damage I do by running it a bit dry for 5 seconds is far exceeded by running the bike with almost a quart of really dirty, crappy oil ALL the time until the next oil change in 3000 miles. I mean, the engine parts are not going to be lube-free or anything for that first post-oil change startup, and after a few seconds, the engine has sucked up all that new oil again, right?

I pre-soak the oil filter too..

Thoughts?


Ducati Scotty

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Reply #7 on: June 21, 2011, 09:52:28 pm
Do you turn it over with the kick starter or the electric starter?  I'd be very careful with the electric start but I don't think you'd do much harm with just a blip or two.

As to soaking the filter, I don't bother.  The moment or two of no oil is over fast enough.  If you're really concerned here disconnect the plug and crank the starter a bit to get the oil flowing before it starts acually running.

Scott


Sub

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Reply #8 on: June 22, 2011, 03:35:10 am
I dont have a kick starter, so I just blip the starter.


Ducati Scotty

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Reply #9 on: June 22, 2011, 06:06:47 am
I think I'll do that next time.

Scott


Arizoni

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Reply #10 on: June 22, 2011, 06:49:33 am
The drawings in the Spare Parts and the Service manuals shows a oil return hole from the left hand side which is quite a bit above the bottom of the  of the side cover.  It looks like this was intentionally done to provide a pool of oil for the primary chain to run in.

If I am correct, this would explain where much of the remaining oil is lurking and why tipping the motorcycle towards the right side greatly increases the amount of oil that gets drained out.
Jim
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1999 Miata 10th Anniversary


olhogrider

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Reply #11 on: June 22, 2011, 08:01:46 am
I think you can get all the oil out if you hang the bike upside down and drain it out of the filler hole. A chain or cable through both wheels and a winch attached to an overhead beam should do the trick. Be sure to drain the gas tank and remove the battery first. This would be a good time to drain and refill the forks. Or you could just change the oil and filter per RE's instructions and not worry about a little old oil.


Tri750

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Reply #12 on: June 22, 2011, 12:43:27 pm
the original triumph 650 had the primary running in it's own oil.
there was a drain and fill plug.
the UCE has a drain plug for the primary that isn't mentioned
in the manual.
if dirty oil really bothered me, I would drain the primary but not
crank the engine over. I would be concerned about the oil pump
losing it's prime.
suspending the bike from cables would work but with all the junk
that accumulates in my saddlebag equipped bike, I'd have tools, snacks,
ammunition and my crystal unicorn collection raining down all over the ground.
Drain and tip.
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Ducati Scotty

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Reply #13 on: June 22, 2011, 06:13:13 pm
I believe the manual says not to suspend the bike by cables if there are crystal unicorns or ceramic kittens involved.  Not that I read the manual.

Scott


Arizoni

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Reply #14 on: June 22, 2011, 10:40:37 pm
Oil pump priming is not a problem in the UCE.

The Gerotor (trochoidal) oil pump used in the UCE is a positive displacement pump which will self prime if all of the oil in the system has been drained providing the supply to the pump is not obstructed.  :)
Jim
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1999 Miata 10th Anniversary