'15 ktm 250sx leaking oil?

logan_140
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logan_140
I moved back down to Florida from Virginia and I just put my bike in storage and haven't rode since moving. Went to the storage yesterday and noticed a puddle of oil? Didn't see anywhere where it leaked from other then on the bottom of the chain guard? I have replaced the inner clutch gasket before.
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Ktm 5
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Ktm 5 1/17/2017 8:37pm
1/17/2017 8:37pm
Could be counter shaft oring. Easy fix just replace seal spacer and orings and sprocket if worn
logan_140
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logan_140 1/17/2017 8:47pm
1/17/2017 8:47pm
Ktm 5 wrote:
Could be counter shaft oring. Easy fix just replace seal spacer and orings and sprocket if worn
Just take the counter shaft sprocket off and they will pop out? That sounds like it because it was oily under the shifter
Ktm 5
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Ktm 5 1/17/2017 9:05pm
1/17/2017 9:05pm Edited Date/Time 1/17/2017 9:05pm
Remove sprocket and use plyers to pull spacer out then orings are on the shaft and you can pop seal out also after spacer is removed.....I don't t remember i there is one or two orings but you'll know
logan_140
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logan_140 1/17/2017 9:26pm
1/17/2017 9:26pm
Ktm 5 wrote:
Remove sprocket and use plyers to pull spacer out then orings are on the shaft and you can pop seal out also after spacer is removed.....I...
Remove sprocket and use plyers to pull spacer out then orings are on the shaft and you can pop seal out also after spacer is removed.....I don't t remember i there is one or two orings but you'll know
Should I install a new spacer or can you re use them?

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logan_140
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logan_140 1/17/2017 9:39pm
1/17/2017 9:39pm
Ktm 5 wrote:
Remove sprocket and use plyers to pull spacer out then orings are on the shaft and you can pop seal out also after spacer is removed.....I...
Remove sprocket and use plyers to pull spacer out then orings are on the shaft and you can pop seal out also after spacer is removed.....I don't t remember i there is one or two orings but you'll know


Would I need 9,10, and 31?
Ktm 5
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Ktm 5 1/17/2017 10:29pm
1/17/2017 10:29pm


U need number 32 35 33 and 28. The clips can wear also so these are what I replaced all at once
logan_140
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logan_140 1/17/2017 10:34pm
1/17/2017 10:34pm
Ktm 5 wrote:
[img]https://p.vitalmx.com/photos/forums/2017/01/17/169886/s1200_Screenshot_2017_01_18_01_26_32.jpg[/img] U need number 32 35 33 and 28. The clips can wear also so these are what I replaced all at once


U need number 32 35 33 and 28. The clips can wear also so these are what I replaced all at once
Oh ok. ThAnks man! Will give it a look tomorrow and see if that's where it's leaking from
logan_140
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logan_140 1/17/2017 10:35pm
1/17/2017 10:35pm
Ktm 5 wrote:
[img]https://p.vitalmx.com/photos/forums/2017/01/17/169886/s1200_Screenshot_2017_01_18_01_26_32.jpg[/img] U need number 32 35 33 and 28. The clips can wear also so these are what I replaced all at once


U need number 32 35 33 and 28. The clips can wear also so these are what I replaced all at once
logan_140 wrote:
Oh ok. ThAnks man! Will give it a look tomorrow and see if that's where it's leaking from
Can you post that link?
Ktm 5
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Ktm 5 1/17/2017 10:48pm
1/17/2017 10:48pm Edited Date/Time 1/17/2017 10:48pm
I went to babbittsonline.com and went to oem parts

Your welcome
logan_140
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logan_140 1/18/2017 9:53am
1/18/2017 9:53am
Ktm 5 wrote:
I went to babbittsonline.com and went to oem parts

Your welcome


Upon further examination my circlip isn't even on the sprocket.. thankfully there is a guard there. Must have came off after I rode on Virginia before I moved. Never went over the bike after cause I havnt road
Ktm 5
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Ktm 5 1/18/2017 1:14pm
1/18/2017 1:14pm
Wow you got really lucky!! At least you found the problem and you now know how to fix it if a new clip doesn't do the job
logan_140
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logan_140 1/18/2017 1:19pm
1/18/2017 1:19pm
Ktm 5 wrote:
Wow you got really lucky!! At least you found the problem and you now know how to fix it if a new clip doesn't do the...
Wow you got really lucky!! At least you found the problem and you now know how to fix it if a new clip doesn't do the job
I just went ahead and bought the whole kit for $15. I'll use it sometime I'm sure
Ktm 5
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Ktm 5 1/18/2017 1:20pm
1/18/2017 1:20pm
Probably best
Ktm 5
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Ktm 5 1/18/2017 1:26pm
1/18/2017 1:26pm
If you ever have a leak there and no time to fix it or get parts you can always do a quick fix by putting a small oring on shaft behind sprocket and that will help stop oil leak until you can get parts. It will put enough pressure on old oring to stop leak
logan_140
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logan_140 1/18/2017 1:29pm
1/18/2017 1:29pm
Ktm 5 wrote:
If you ever have a leak there and no time to fix it or get parts you can always do a quick fix by putting a...
If you ever have a leak there and no time to fix it or get parts you can always do a quick fix by putting a small oring on shaft behind sprocket and that will help stop oil leak until you can get parts. It will put enough pressure on old oring to stop leak
Oh ok that is helpful. I don't think it was leaking before because I had it on a stand. But now I have it on the triangle and it is leaning so the oil is coming out
sandman768
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sandman768 1/18/2017 2:28pm
1/18/2017 2:28pm
I"ve had brand new Xc 300"s leak like this, the Ktm oring is too thin, a new one will leak again in short order. All balls makes a kit with everything you need that includes different thicknesses of orings, use thicker oring & problem solved, just have to push on the sprocket a bit when installing the clip, after clip is installed on shaft to hold sprocket, make sure it's clean with brake parts cleaner & apply a bead of silicone over the clip........
logan_140
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logan_140 1/18/2017 2:45pm
1/18/2017 2:45pm
sandman768 wrote:
I"ve had brand new Xc 300"s leak like this, the Ktm oring is too thin, a new one will leak again in short order. All balls...
I"ve had brand new Xc 300"s leak like this, the Ktm oring is too thin, a new one will leak again in short order. All balls makes a kit with everything you need that includes different thicknesses of orings, use thicker oring & problem solved, just have to push on the sprocket a bit when installing the clip, after clip is installed on shaft to hold sprocket, make sure it's clean with brake parts cleaner & apply a bead of silicone over the clip........
If it leaks again I'll get it. I already ordered the stock one. Appreciate it though!! So it's a known problem huh?

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sandman768
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sandman768 1/18/2017 6:03pm
1/18/2017 6:03pm
Yes, very common on the 2 strokes, not sure if they corrected this on the 17"s with the engine redesign, but everyone of my Xc 300"s leaked from there at one time or another, my 2015 Xc started leaking at about 3 hrs from brand new. More of an annoyance than anything...I knew it was the oring, I went to 3 hardware stores & could not find a suitable replacement oring, Allballs felt it was common enough to make a kit that specifically addresses the issue.
logan_140
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logan_140 1/19/2017 4:56am
1/19/2017 4:56am
sandman768 wrote:
Yes, very common on the 2 strokes, not sure if they corrected this on the 17"s with the engine redesign, but everyone of my Xc 300"s...
Yes, very common on the 2 strokes, not sure if they corrected this on the 17"s with the engine redesign, but everyone of my Xc 300"s leaked from there at one time or another, my 2015 Xc started leaking at about 3 hrs from brand new. More of an annoyance than anything...I knew it was the oring, I went to 3 hardware stores & could not find a suitable replacement oring, Allballs felt it was common enough to make a kit that specifically addresses the issue.
It only started recently for me. I think it's because I put it on the triangle instead of the stand and the oil was at an angle
reded
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reded 1/19/2017 4:44pm
1/19/2017 4:44pm
Mine had an odd oil drip last winter and I figured it was either the shifter or c-shaft seal. I was all set to order some parts when I pulled the airbox cover and realized that oil had pooled in the box and was running out the cover and down the frame.
logan_140
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logan_140 1/20/2017 5:49am
1/20/2017 5:49am
reded wrote:
Mine had an odd oil drip last winter and I figured it was either the shifter or c-shaft seal. I was all set to order some...
Mine had an odd oil drip last winter and I figured it was either the shifter or c-shaft seal. I was all set to order some parts when I pulled the airbox cover and realized that oil had pooled in the box and was running out the cover and down the frame.
How does that happen??
logan_140
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logan_140 1/20/2017 2:38pm
1/20/2017 2:38pm
Hey guys I can't seem to get this seal out??
logan_140
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logan_140 1/20/2017 4:29pm
1/20/2017 4:29pm
I got it out. I ended up scratching the inside a little bit but it should be fine right?





Ktm 5
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Ktm 5 1/20/2017 4:53pm
1/20/2017 4:53pm
I would make sure there are no burrs and if the scratches aren't the same width as where the seal sits you will be fine. If some scratches are the whole width u could take a little honda bond or similar and lightly smear in scratches. From what I think I can see where u scratched it I would just deburr and install new seal. Make sure you put a light layer of grease on oring and seal lips.
logan_140
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logan_140 1/20/2017 4:57pm
1/20/2017 4:57pm
Ktm 5 wrote:
I would make sure there are no burrs and if the scratches aren't the same width as where the seal sits you will be fine. If...
I would make sure there are no burrs and if the scratches aren't the same width as where the seal sits you will be fine. If some scratches are the whole width u could take a little honda bond or similar and lightly smear in scratches. From what I think I can see where u scratched it I would just deburr and install new seal. Make sure you put a light layer of grease on oring and seal lips.
I just went ahead and put it together we will see on Sunday.

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