Minor oil leak annoyance - Yamaha R6 Forum: YZF-R6 Forums
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post #1 of 9 (permalink) Old 12-28-2018, 02:18 PM Thread Starter
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Minor oil leak annoyance

So i bought a used 07 R6s a couple years ago and have always noticed a couple drops of oil on my garage floor after riding. Apparently no big deal for older bikes or so the mechanic at the shop i went to says. Anyway last year i was rear ended by a blind lady(not really but i was stopped so idk how she didn’t see me) and the bike was laid on the oil pump side and created a larger oil leak. I replaced the oil pump cover and the gasket and an O ring( on what it’s called to the left of the bolt) But the minor leak persists it seems through this little screw? I tried putting a washer in and thought maybe that would help but it didn’t. Any ideas?
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post #2 of 9 (permalink) Old 12-29-2018, 07:03 AM
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Re: Minor oil leak annoyance

if the large plastic plug is bent that could be coming from it. on the metal bolt you can use thread sealant. (liquid. not tape) any auto parts store should have some. I don't think you can use it on a plastic part. so the big plug you'd have to replace.


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Last edited by yamahacrazy; 12-29-2018 at 07:05 AM.
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post #3 of 9 (permalink) Old 12-31-2018, 05:48 AM
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Re: Minor oil leak annoyance

Hmmm..it could be that the screw's threads are worn or damage not giving it a tightened fit
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post #4 of 9 (permalink) Old 12-31-2018, 09:10 AM Thread Starter
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Quote:
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Hmmm..it could be that the screw's threads are worn or damage not giving it a tightened fit
So do you think i should replace it or buy the thread lock like the previous guy suggested?
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post #5 of 9 (permalink) Old 12-31-2018, 12:20 PM
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Re: Minor oil leak annoyance

Where is the oil coming from, is it the lowest forward hole? The threads for that cover go to the cases and are surrounded by gasket material, so there should be no oil going into the bolt hole unless the gasket was compromised when installing or if the cases were damaged when the accident happened. Were any of the bolts damaged as well and replaced? There are two different length screws that hold that cover on as well and if you mixed two that one could not be getting tight enough to seal the gasket. The two that hold the cable holder are slightly longer than the other 5. Fingers crossed if the lowest front bolt was damaged, that it did not damage the actual engine case itself.


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See the third picture

Theirs is alot worse looking I think they tried to repair with a heli coil and split the hole worse and some of the other threads I searched didnt show pictures. But if there is a hair line crack there it will leak oil until you can seal that crack up. If so you can try some thread sealant, it will either work or not.
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And yes that is all duct tape LOL


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post #6 of 9 (permalink) Old 12-31-2018, 01:19 PM
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Re: Minor oil leak annoyance

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Originally Posted by _Thekid90 View Post
So do you think i should replace it or buy the thread lock like the previous guy suggested?
Try the new bolt first.

I had a similar problem, however it was a slightly cracked cover which i changed and it turned out the bolt was also damaged too. It wasnt threading in properly.

Might as well try it, it costs a lot less than the sealant.
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post #7 of 9 (permalink) Old 12-31-2018, 01:57 PM
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Re: Minor oil leak annoyance

I thought you were seeing oil seep out of the plug in the cover. but i've used the sealant on the cover bolts before because when I crashed it bent the 2 bolts in the cover and elongated some of the bolt hole in the block. for this the sealant works like a charm. exactly what it's intended for.
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post #8 of 9 (permalink) Old 01-02-2019, 08:14 AM
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Re: Minor oil leak annoyance

And trust me, any mechanic that tells you it's normal to see a leak or 2 have no idea what they're talking about. The only thing that should be dropping on the floor would be condensated water, coolant from the overflow, or rain water stuck in your exhaust lol...never oil or fuel!
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post #9 of 9 (permalink) Old 01-02-2019, 03:13 PM Thread Starter
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The old case was damaged as a result of the accident so i replaced it along with the gasket and made sure to take extra precaution not to damage it in the process of putting it back on, i did not replace the bolts as i didn’t even think to really look at them as being the cause but i cleaned them(because they were covered in dried oil from the accident) and laid them out exactly how i took them off so fitment shouldn’t be a problem but won’t rule that out. Will try replacing the bolt that might be the cause (if anyone knows what size it is off tops that would be cool lol) and then sealant if it doesn’t work. Will post updates thanks guys
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