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Anyone ever flush out the rear drive?

MatadorMkV

Just got it firing!
Joined
Aug 25, 2019
Messages
14
Location
Mount Pleasant, PA
Just wondered if any of you have ever flushed out the rear drive with kerosene or anything. Reason I ask is because I drained mine until it stopped dripping (while hot)...even leaned the bike in both directions to make sure it was empty before filling with new gear oil. After filling it and spinning the rear wheel a few times, I noticed that the new oil turned gray right away. I'm sure it's no big deal, but thought it'd be nice to flush it out next time before adding new oil.
 
No need to flush. Just change a little more often if you are seeing that immediate color change.
 
I wouldn’t recommend using any type of solvent, however the final drive uses so little oil that with a single quart, you could easily change, spin, drain, refill, spin, drain, refill, etc 4 or 5 times to remove all of the moisture contaminated oil.

I have done that before. Never got more than 3 exchanges that it wasn’t perfect.
 
4 or 5 refills easily? 1 Quart is only 946 cc's...I hear you though...only put the recommended oil in there...LOL

Just was kind of weird though. The bike only has 3000 miles on it and looks like it's never been ridden...PLUS, the previous owner said it was already serviced (of course I NEVER take anyone's word when they tell me it's been serviced...just cheap insurance to do it anyway).

I also have a 2013 Wing, and the oil never looks this bad when I drain the final drive.

Thanks,
Russ
 
Oops. :eek:

Well, this is what happens when you have 6 motorcycles in the garage. You forget which is which (that’s why I keep a log book). So ok, I was thinking ~150ml but the Stelvio is 380ml on a new dry final drive, but usually less on a drain/refill due to clinging of the oil to the internal parts/walls.

Also, I have cases of the oil in my garage so it’s a non-issue for me.

You get the idea. 2 quarts of oil will get you more changes than you need in order to flush the final drive out completely.
 
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