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My first walk out of the woods

T

Tride

Active member
Premium Member
Well, I sold my rock-solid YZ450 St setup to a buddy and am getting a 14 Husky FC450 LT with nitrous going. Sort of. No nitrous yet, but I have put on the Dobeck, Thermo-bob, and engine shrouding. It's been running poorly, and getting worse. I took it out today after putting the engine shroud on to see if it was temperature related. Started just fine, ran good for 15 minutes. I went to turn around in a meadow, popped through a small streambed and doused the bike with snow (cold, too, like 10 degrees). Bike died. Hmmm, maybe it sucked in a bunch of steam. Fired right up, rode out of the meadow to the road, died. Started right up, went 1000 feet, died. Started right up, went 500 feet, died. Went 100 feet, died, 25 feet, died. Then just died. Seems like it's an electrical connection, or possibly the fuel pump. There's a remote chance Iceage's Dobeck unit is bad. I'm going to skin back up tomorrow and pull the controller, put the OEM injector control back on. It was downhill on a packed trail with 12" fresh on top, so no big deal, but I was not in full gear and felt like an idiot. I sure hope it's a simple fix. Regretting selling the YZ right now.
 
Have you ever checked the tiny little inline screen fuel filter that is in the fuel line at the quick connect between the tank and carb?

I have seen that get plugged and wreak havoc on the ktm's, bike runs terrible or not at all, if one of us never had spares it could have been a possible leave behind situation..

Myself and my riding buddies all carry spares with us. Would be worth getting one and changing it, takes seconds and may help.
 
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That's on the list. Felt like the kill switch was being pushed, though--no coughing or sputtering, just dead.
 
My KTM 06 525 had intermittent electrical water related.

I feel your pain my XR650R 2011 TS ST S/N 00017 has never left me stranded.

My 06 KTM 525 XC Wouldn't run around water summer or winter intermittently like you are describing.

Replaced: wiring harness, coil, CDI, plug cap, Kill Switch.
All connections made with silicone grease.

It runs inside and ice cube now.:face-icon-small-hap
.
Hind site is 20/20. I wished I would have started with a new plug cap with lots of silicon grease inside and out.

Have done the easy stuff and put Dielectric grease on your plug cap and made sure all connections are good?
 
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Cberg is onto the most likely problem. That's exactly how my KTM acted when my little in-line screen got plugged. It can't suck through fuel fast enough and kills the engine over and over. If you let the bike sit longer you'll get a longer run as it filters into the lower part of the fuel line.

If you don't have another filter just pull apart at that quick disconnect fitting below the tank, pull the filter, and ride it out. The days before it finally plugged too much the bike ran like crap. If the Dobeck shows Red mode when pinned (along with the blue light on) and the AFR is around 12.5 it's not the controller.
 
Cleaned the fuel screen (a couple of pieces of debris, but by no means clogged), pulled the AFR+ and put the OEM injector controller back on, put in a new plug... nothing. Plug was bone dry after a dozen or so attempts to start, so wondering about the fuel pump. She's still out in the woods tonight--hoping to tow it out tomorrow and put in a new injector, or take it to the dealer. A lot quicker in and out on skis than on foot!
 
You could be frozen off on your fuel path somewhere, you may want to try to heat your block. If you are able to tarp it in and use a touch to make heat and it may start in a hour or so.

Sent from my SM-G900W8 using Tapatalk
 
If you are towing it out, put it inside for a day and I bet it starts. You may want to run fuel gas antifreeze.

Sent from my SM-G900W8 using Tapatalk
 
Looks like it's the fuel pump--not holding pressure. Of course the dealer doesn't stock a fuel pump (who would ever need that?), so it's on the way from Rocky Mt. Towing out was a hoot--until the track loosened up it flat out sucked. Owe my buddy an oil change or something.
 
Yes, towed footpeg to footpeg. his track cut the rope once. A couple of carabiners to keep it out of the tow bikes track would be a good idea. Using a throw away rope rather than a $25 tow strap worked well, because it's going to get trashed. It made it very clear again that getting a broke bike out of a real backcountry situation would be a really big deal.
 
I think we need a thread on all the ways and any Ideas on getting out of the back country with a dead bike, trailers, sled mounts etc???
 
KAWGRN said:
I think we need a thread on all the ways and any Ideas on getting out of the back country with a dead bike, trailers, sled mounts etc???
Click to expand...

Good idea, I like the outfit the swedes came up with but, takes up a lot of space in the transport vehicle. Anyone try a plastic carpet, bike on side, with tie downs of some sort?
 
I was thinking of a skimmer, bring it in the truck and if you are with sleds you can lay the bike down or strap in and pull it out with the sled.

Sent from my SM-G900W8 using Tapatalk
 
yes thought about building a drag sled but your right it would take up a lot of room in the trailer!
 
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