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Old 12-17-2012, 01:25 PM   #1636
BK.RD.RNR
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Quote:
Originally Posted by TheLorax View Post
I agree, but less than adequate pressure will not stop the bike from running. It will just make it run badly (and potentially destroy the motor in the long run).

It seems that Rod's pump was completely shutting down when it got hot. Somebody who has the full system documentation on this bike (possibly a factory KTM tech) can look up and see if the ECU will cut signal for the pump if certain situations exist.

There is also the possibility that the heat in the pump was causing cavitation issues. We may never know, or we may not learn this time. I am simply curious like that.

Not to hijack this awesome RR..

I believe some of the guys in the 690 thread had similar issues/ syptoms, and as I recall, depending on how low the pressure is, it can run poorly, or quit all together..
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Old 12-17-2012, 01:35 PM   #1637
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Quote:
Originally Posted by TheLorax View Post
I agree, but less than adequate pressure will not stop the bike from running. It will just make it run badly (and potentially destroy the motor in the long run).

It seems that Rod's pump was completely shutting down when it got hot. Somebody who has the full system documentation on this bike (possibly a factory KTM tech) can look up and see if the ECU will cut signal for the pump if certain situations exist.

There is also the possibility that the heat in the pump was causing cavitation issues. We may never know, or we may not learn this time. I am simply curious like that.

I was wondering the same thing as TheLorax...what exactly was the nature of the failure
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Old 12-17-2012, 02:15 PM   #1638
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Fuel pump/dog

Rod I think the fuel pump failed so that you could say by to your dog. That would be worth the trouble to me. Lost a Lab to cancer last year , had to get another a month later. I thought Labrador cancer was a U.S environmental thing or inbreeding but I guess not.


Are all you guys self sufficient in your camping in case you need to separate or do you coordinate packing to keep weight down?
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Old 12-17-2012, 02:25 PM   #1639
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Originally Posted by DyrWolf View Post
Are all you guys self sufficient in your camping in case you need to separate or do you coordinate packing to keep weight down?
All the guys were, the girl wasn't
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Old 12-17-2012, 02:38 PM   #1640
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Fuel system testing!

Quote:
Originally Posted by BK.RD.RNR View Post
My guess from the sounds of it, would be heat related (heat created by/ within the pump from running), but the bottom line is that it does not need to "seize" to provide a less than adequate pressure to the injector.
The only way to diagnose a failure in progress is to do a fuel rail test (max flow rate at max pressure after the filter). Your dealer should be able to handle this with no problem. Something to be done before a remote trip (as we've all been reading about) or on a recurring bases as part of your regular maintenance, based on history of the bike specific system, as Walter pointed out earlier.

Here's another cause of pump failures: Parking for an extended period of time when fueled with Ethanol additive type fuels. This fuel will separate with the heavier component settling to the bottom of the tank where it become thick and sticky. Thus when started the pump and filter plug up which causes the pump to run (IF STILL RUNNING) at a much high pressure than it was designed for and thus shortens the life. The solution to this problem; if parking for an extended period of time (without monthly exercise) use NON-Ethanol fuel. Don't use fuel stabilizes additive as they only compound the problem. Just ride the bike and it won't happen!

Recently I looked at a 1,200 mile since new BMW G650 Xchallenge, obviously it had been parked do to its age versus mileage. The seller had filled it full of fuel in order to minimize condensation from collecting in the tank, which is a very good practice. Well, it got parked for several years (owner health issue) and the fuel separated and thickened into a gummy mess at the bottom of the tank. When started it failed/damaged the pump. The fuel rail test found the damage. The repair cost for pump, filter and tank cleaning was about $1,000usd for the seller. So be careful when buying a low mileage older used bike.
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Old 12-17-2012, 04:39 PM   #1641
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Great report. First thing I check every morning before I have coffee. Appreciate all the hard work you put into this.

The Yamaha WR250R has a well documented fuel pump problem. When the pump gets hot it stops running. Wait for it to cool off and it will run for a few miles. Eventually it fails, but you get a few warnings.
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Old 12-17-2012, 07:10 PM   #1642
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Walter and crew...really enjoying the great report!

Rod,
Interesting what a little research on the KTM 690 fuel pump revealed on the first google line as linked and quoted below, very fitting I believe:
http://www.ktmtwins.com/ca-cyclework...l-pump-upgrade


CA Cycleworks KTM 690 Fuel Pump Upgrade

"The stock unit is known to go out on you and if you've even been on a ride when something like that goes out you are SOL. This is a family shop and I can't say what I want to say but you get the idea. We are now carrying the fix to that problem and a permanent one at that. This durable Fuel Pump has been installed and tested on the KTM 690 and has shown to be reliable and bulletproof. If you haven't had the pump go out get one so you don't end up in the scenario above."

Stellar report all! Nice job getting the bike sorted Rod.
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Old 12-17-2012, 07:16 PM   #1643
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Good show Rod....You are an inspiration, never give up.
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Old 12-17-2012, 08:42 PM   #1644
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Old 12-17-2012, 10:59 PM   #1645
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Day 50 - 07 July 2012

We rote up into the backwoods of the Altai. The first 50 km, to Ulagan, was sometimes asphalted. But in line with our recent fate when it came to weather, as soon as we got off the asphalt, rain started falling. We continued along on a gravel road through pretty countryside (and light rain) until we hit this stunning valley:







It looked amazing, but I really struggled to bring it out well in the photos. The fog and cloud in the air was dulling the scenery and the contrast. I just played around with it to do the best I could.



The river in the valley below is called the Chulyshman.

We waited for half an hour in a tiny Altai octagonal shelter for the rain to ease up, then headed down to the valley floor.

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Old 12-17-2012, 11:15 PM   #1646
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Day 50 - The Chulyshman

The scenery was no less stunning on the valley floor:







Slowly the cloud began to lift - which gave us much more chance to appreciate the mind blowing scenery:









There is no doubt that the Altai is a stunning part of the world, and its a blessing that so many Adventure Riders have the chance to take the beautiful M52 highway on their way to or from Mongolia - I would reckon about 300 a year - an avge of 3-4 a day in the June - Sept riding season. But what was crystal clear to me now as we rode through this Chulyshman Valley, was that as stunning as the Altai may be from the asphalt, there is a much much more amazing world to be discovered by those who venture off that thin black ribbon.
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Old 12-17-2012, 11:21 PM   #1647
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Chulyshman - another photo

This isnt my photo ... I took it from the web ... but it gives you an idea what a photographers paradise it can be if the light is right:

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Old 12-17-2012, 11:22 PM   #1648
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Old 12-18-2012, 12:28 AM   #1649
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Super.. Walter, I love to read your RR. keep up brother...
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Old 12-18-2012, 01:47 AM   #1650
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Originally Posted by Prutser View Post
Beamster and me took it easy and did some more birdwatching
What did you see?
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