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February 25th, 2014, 06:56 AM   #11
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Re: 09 fe570 with 610 + cam

Very informative!

What ECU tuning gear is it that you have?

(Re. the laggy-off-bottom issue - just a thought based on my naive understanding - the JD tuner afaik can adjust some kind functionality that emulates an accelerator pump or has the same purpose ... anything like that on yours?)
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February 25th, 2014, 07:03 PM   #12
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Re: 09 fe570 with 610 + cam

Hi Kris, I'm am running the ktm user setting tool and the software available from husaberg.com

I have control of accelerator pump functions


I've been trying to avoid using it so far, I'm not after a massive surge in the lower rev range when I'm just poking around in the bush. I do notice it when I'm on the pavement giving it a pasting.

I'm doing this without the aid of an afr meter or dyno, seat of the (fancy ?) pants style. If I was plug chopping I would end up in the (other) insane asylum

Been chasing the hard starting issue, if I run the idle are super lean ( -20% ) it starts fairly promptly but there is a blue flame and a backfire every time, but when revved it will hang at ~2000rpm for a moment. To go rich on idle I need to go to + 40 before the idles speed starts to decrease. So the next setting will have a lean idle area and the 2 degree 1000rpm cell will be rich to offset this. The tool and software that the dealers use would be lovely. This system is very limited.
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February 27th, 2014, 12:45 PM   #13
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Re: 09 fe570 with 610 + cam

Ok so here's an update, I was messing with the idle area and left it at+20%. Went away from it for a few hours, when I came back I threw the seat on and blasted off into the distance, well I made it about 800 meters. Braaaap, moooort bang. fouled plug. Bugger. Pulled the plug cap off checked that as well, no resistance !

Back to work now I'll bring you guys some more calamities and embarrassing situations in a couple of weeks.
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February 27th, 2014, 02:13 PM   #14
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Re: 09 fe570 with 610 + cam

nooo

How was it for those 800m though??
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February 27th, 2014, 02:55 PM   #15
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Re: 09 fe570 with 610 + cam

Originally Posted by tourist
nooo

How was it for those 800m though??
It was fun, fast and noisy, think a little more fiddling with the bottom end and it will be sweet. Ill try to organize a dyno session to quantify the results. It's really good a surprise wheelies

I just need to remember where I left things before I go for a blat after a siesta. I was trying to determine where the idle mix needed to be by going rich to lean and listening for the idle speed to change. She got a bit hot idling for so long so I left it to cool down.
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March 2nd, 2014, 11:35 AM   #16
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Re: 09 fe570 with 610 + cam

I have read your tread and also blew up my rod,it looks exactly like your.Do you have any idea what caused this failure?
[attachment=2:17x647zh]Stake.jpg[/attachment:17x647zh]
[attachment=1:17x647zh]NyA STAKEN.jpg[/attachment:17x647zh]

Iīm going for a 590cc kit with 13.5 piston from Bergos

I noticed that you have replaced oilpump,I took my pumps out and cleaned very carefully and when I put everything back I noticed the forcepump is upsidedown?I canīt mount the force pump as the repair manual shows,have you noticed this?
The Picture shows how my pumps are fitted,the lower pump should have inner rotor opposite direction but itīs not possible.

[attachment=0:17x647zh]OilpumpsII.jpg[/attachment:17x647zh]
Attached Thumbnails
09 fe570 with 610 + cam-stake.jpg   09 fe570 with 610 + cam-nya-staken.jpg   09 fe570 with 610 + cam-oilpumpsii.jpg  
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March 2nd, 2014, 11:48 PM   #17
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Re: 09 fe570 with 610 + cam

hey jas666, I havent yet determined the failure mode of my big end. Yours is the third Ive seen including mine. I think that in plain bearing engines, too much ignition advance and/or pre ignition will cause a similar failure. My theory was that the oil pump was not supplying the correct flow to the big end. My oil pump died from ingesting sand. I see yours is scored on the face of the outer rotor like mine was, I also had indents between the rotors fron junk passing through. I like to use maximum torque from very low rpm as well so I guess that sort of heavy lugging would load the hell out of that part of the big end. Anyone got any ideas

Yes I did have the same frustration with the oil pump, crazy husabergs

590 kit would go great with a cam and 44mm throttle body
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March 3rd, 2014, 08:54 AM   #18
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Re: 09 fe570 with 610 + cam

Is the failure from the pressure on the rod when the motor fires? Seems like the wear is from the piston pushing down on the rod. Maybe just the quality of the stock rod. KTM is using Pankle rods on some of the motors but I don't think this one is. I might expect the same failure but I run a different combo Thumper Crank w/ Carrillo rod. Just tossing an idea out there.

Maybe send your photo to Carrillo and ask the technical dept what might cause that to happen. Bet they would have a few good specific reasons they could point to. Might ask if they have a replacement rod for you at the same time.
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March 3rd, 2014, 10:34 AM   #19
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Re: 09 fe570 with 610 + cam

My Husabergfriend had an idea about bad hardeningprocess,but he had never seen anything like that and he has for sure seen lots up messed up engines.

I ordered a new oilpump today and will also install a mechanic oilmeter to confirm right oilpressure at start up.

Sorry for spamming your thread about your bike but I have an question about the Usersettingtool.When I look at your pictures showing your fuelcorrection I can see positive values,are you really sure that positive values gives more fuel?If you take a look at the factoryready maping which you can download at Husaberg/KTM homepage they all shows negative values at fuelcorrection!

I have this UST-tool but I have not so much experience yet and have not confirmed any setting with lambdameasuring.

Sorry for spamming and bad spelling
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March 3rd, 2014, 09:55 PM   #20
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Re: 09 fe570 with 610 + cam

Thanks for the idea Chris I think I'll chase it up. I contacted Carrillo last year in regards to a rod but the lead time was excessive. Wish I had a crystal ball that could have told me I'd wait 2.5 months for a piston

I know a really out there character that might make me a rod out of pure unobtanium alloyed with depleted paranoia.

Hey Jas I don't mind at all it's a good discussion which is what the site is about.

As far as experience with the ust and efi tuning goes this is my first time ! I've done a fair bit of carb tuning and only one time have I used wide and afr to tune a rotrex supercharged Yamaha rhino. I think that the maps on husaberg.com may be lean due to emissions compliance. I'm dealing now with bigger overlap and duration on my cam, so there would be greater losses into the exhaust during overlap, and hopefully a small amount of inertia supercharging and in turn better cylinder filling requiring more fuel.

I proved to myself that positive values give more fuel, when I fouled a plug last week
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