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June 27th, 2010, 05:35 PM   #1
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Subframe oil tank??

Yeah, I know it's weird, but bear with me and just humor me for a while.

Most of you probably have seen the HT-Racing oil resevoir:



for some KTMs. Right?

The reasoning/desire behind these is to give a bike with relatively limited oil capacity (less than two liters) more oil capacity. The premise being that, all else being equal, more oil capacity generally means cooler oil, maybe less wear/contamination of the oil, and longer distances/times between oil changes. I don't think the reasoning or premise is flawed. Not sure that twice the oil would mean half the wear, or twice the distance/time between changes, but I do think it would be an improvement.

I do think there is room on the left side of the 70 degree engine for an oil reservoir, but it would increase the width of the engine, and it would be vulnerable when the bike is dropped. Such a thing might be incorporated into a skid plate, kind of like what one bash plate manufacturer did for water for rallye bikes (can't find which right now). Current capacity is 1.35 L (?) - so adding at least another liter would help.

If a person was so inclined, could they instead use the subframe for an oil tank and plumb that into the system?

Would the oil get too hot for the plastic subframe?

Would there be a better place to add at least a liter of oil?
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June 27th, 2010, 05:58 PM   #2
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Re: Subframe oil tank??

gut feeling says too hot, about 70 deg C, Dale prolly knows that one

could use the steel frame instead?
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June 27th, 2010, 06:06 PM   #3
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Re: Subframe oil tank??

Originally Posted by bushmechanic
gut feeling says too hot, about 70 deg C, Dale prolly knows that one

could use the steel frame instead?
Steel or aluminum. Oh, wait, you mean the existing steel frame. Hmmm - kind of like some other bikes. Maybe.

What I would like to do is find someplace out of the way on the bike to put in a 1+ liter aluminum bottle. Those are very tough, they are aluminum, hold about the right capacity, and I could probably have an inlet/outlet fashioned for them.
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June 27th, 2010, 07:10 PM   #4
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Re: Subframe oil tank??

Cycle Products West here in Australia are in the process of making an oil cooler for the new Bergs, its along the lines of the HT one but much better !!!!

Incidentally they also make coolers for the KTM's and they are also MUCH MUCH better than the HT ones which have a dubious track record here in Australia in racing situations eg the Safari.

Cycle Products West
Unit 13, 15 Port Kembla Dr
6163 Bibra Lake WA
+61 8 9434 1653
don@cycleproducts.com.au
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June 27th, 2010, 07:19 PM   #5
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Re: Subframe oil tank??

Originally Posted by Gazza
Cycle Products West here in Australia are in the process of making an oil cooler for the new Bergs, its along the lines of the HT one but much better !!!!

Incidentally they also make coolers for the KTM's and they are also MUCH MUCH better than the HT ones which have a dubious track record here in Australia in racing situations eg the Safari.
I look forward to learning more about it.

BTW - your domain (cycleproducts.com.au) doesn't resolve to anything about motorcycles. Might want to work on that.
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