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Old 06-27-2013, 07:36 AM   #1
F1paul OP
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Question ktm lc4 burning oil ?

What is normal oil usage for the lc4 engine..bought it in march with 13000k's...first two months oil level stayed same....now it seems I am putting about 100ml or soI every 10 days to keep it up to the mark...is this normal.
I'm not blowing smoke or anything like that out the exhaust and its not leaking.

BTW.... my manual says to check the oil on the side stand but read on here proper way is check with bike upright level so that's what I have been doing.
Am i maybe putting too much in that way and its just burning off... reason why I went that method because on the side stand checking it was always the same whether hot or cold
.

F1paul screwed with this post 06-27-2013 at 08:41 AM
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Old 06-27-2013, 01:30 PM   #2
Droptarotter
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Check the bike while vertical, not on the side stand.

We need more info to help.............if the bike is doing 100km's in ten days, then you might have a problem..........if you are doing a few thousand km's in ten days all could be fine.

Why don't you start by doing a complete oil change with the oil level correctly set.

Then note how many km's you have done when the oil level gets to the lower mark on the site glass.

Get back to us when you have those figures.

Cheers
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Old 06-27-2013, 02:10 PM   #3
clintnz
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In my experience even a well worn LC4 doesn't use much oil, maybe a 200ml top up as it's coming due for the service every 5k km.

The level in the glass varies quite a bit. I usually look for it sitting at the top mark when stone cold & flowing through to a level at the bottom mark when well warmed up.

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Old 06-27-2013, 02:19 PM   #4
F1paul OP
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Thanks for the replies...
clintnz..you mean the reverse of what you said I think...cold..bottom mark...warm..top mark..right?.

And as per K's I pit roughly 500-750 in 10 days as I commute with the bike(lots o fun) plus the weekend and after work blasts..(even more fun )
PO said oil was fresh when I bought it and I have put just over 3000 on it..maybe I will change the oil early and monitor it after in more detail.
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Old 06-27-2013, 03:59 PM   #5
Droptarotter
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Crankcase is full when at the top mark "COLD".

If you are using 100cc oil in 750km's that is not too bad.

Some bikes.......BMW boxers come to mind..........seem to use a little oil when the oil is first changed and at the high mark............then settle down and use less oil when the level drops a bit.

I think you are ok.

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Old 06-27-2013, 04:13 PM   #6
F1paul OP
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I will do fresh oil change next week when back from vacation...

And....dint mean to argue but my manual says.....
" If the engine is cold the oil level should be visible at the lower edge of the inspection glass"
" if the engine is warm the oil level should be visible at the upper edge of the inspection glass
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Old 06-27-2013, 08:11 PM   #7
bmwktmbill
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Assume no oil in the airbox....

bill
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Old 07-03-2013, 04:49 AM   #8
Mat
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Be aware that the level in the sight glass fluctuates a lot between rides, as mentioned.

So just get in the habit of checking every time you get to the bike (the oil needs some time to flow down), and make sure the oil level is roughly between the two marks in the sight glass at most times. Those motors are rather tolerant.

Also, 1 liter of oil per 5k km should be ok, even more I guess. Depending on how you use it.
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Old 07-13-2013, 05:17 PM   #9
F1paul OP
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Actually there is oil in the airbox I'm noticing.....what would that mean
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Old 07-13-2013, 11:58 PM   #10
gunnerbuck
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Quote:
Originally Posted by F1paul View Post
Actually there is oil in the airbox I'm noticing.....what would that mean
If your not grossly overfilling and getting oil blown into the airbox, that usually indicates piston/piston ring/ bore damage...
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Old 07-14-2013, 09:55 PM   #11
bmwktmbill
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My oily airbox problrm was solved with new seals for the valves and a regrind.

bill
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Cormack McCarthy-The Crossing

The faster it goes the faster it breaks.
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