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March 8th, 2014, 06:49 PM   #1
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Spark plug removal 570

Please post your tips on getting this piece of shit out.

Gone through 3 different 16mm sockets and I can't get either to grab. Deep sockets, thin sockets. Doesn't make a dime of sense.
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March 8th, 2014, 07:21 PM   #2
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Re: Spark plug removal 570

Yes the sparky is a PITA to get out. I use a spark plug socket from an old DRZ tool kit, it has a swivel on it so the ratchet doesn't connect straight on. Well, this probably isn't helping you but I'm sure someone will chime in to help. How many hours do you have on your 570? I have 100 and plug looks perfect.
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March 8th, 2014, 07:29 PM   #3
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Re: Spark plug removal 570

Close to 30.

This bike is my worst purchase yet. Gone through every fix on this forum but yet I can't have a bike that will start after a short press of the starter switch or not die mid 1st-2nd gear doing 40km/hr.

I've replace the whole fucking fuel system, 2 new pumps, new fuel filters, new hose, fuel tank filters, taken out the OEM fuel filter. Literally everything. Bar the spark plug.

Its going into the shop on Tuesday so hopefully they tell me to sell the piece of shit.
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March 8th, 2014, 07:46 PM   #4
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Re: Spark plug removal 570

It's 14mm, the steel socket that comes with the bike is about the only thing that's close to being easy, after you crack the thread, get a piece of fuel hose that will push firmly over the insulator and long enough to thread between the frame and radiator, use that to spin the plug out. Check that your plug cap has 5k ohms resistance while you're at it. Good luck !
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March 13th, 2014, 03:24 PM   #5
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Re: Spark plug removal 570

Khromosone, if you're running the OEM ignition map and the factory muffler, those may be your problems. I had a devil of a time with my 2011 FE570S. The fix was ALL of what follows:
- Replace factory muffler with FMF unit
- Get dealer to flash the "performance map"
- Remove the smog crap
- Insulate the underside of the fuel tank
- Wrap the exhaust mid-pipe
- Replace the factory fuel pump with the California Cycleworks unit.
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March 14th, 2014, 05:22 AM   #6
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Re: Spark plug removal 570

Originally Posted by khromosone
Close to 30.

This bike is my worst purchase yet. Gone through every fix on this forum but yet I can't have a bike that will start after a short press of the starter switch or not die mid 1st-2nd gear doing 40km/hr.

I've replace the whole fucking fuel system, 2 new pumps, new fuel filters, new hose, fuel tank filters, taken out the OEM fuel filter. Literally everything. Bar the spark plug.

Its going into the shop on Tuesday so hopefully they tell me to sell the piece of shit.

Sorry to hear about your frustration a friend went through a similar issue turned out to be the spark plug. When the spark plug goes bad its not like a 2 stoke that completely fouls out. Also check the spark plug cap a few months later bike was having problems again and when started at night he could see the spark arching to the motor form the cap. Check the resistance it should be 5K ohms it unscrews from the wire check for corrosion in the boot. Good luck and post your fix. Did you check the throttle position sensor some great you tube videos KTM has the exact same piece.
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March 15th, 2014, 09:58 PM   #7
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Re: Spark plug removal 570

Yes second the tube over the plug end. Just loosen with the spark socket then remove and use the tube, reverse ro reinstall , easy.
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March 21st, 2014, 11:05 PM   #8
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Re: Spark plug removal 570

Two things I don't see mentioned.

Replace the injector.

Check the fuel pressure. I just had a fuel pressure regulator fail on a bike with low hours. Has got to be 3.5 BAR! Since you're taking it to the dealer have them check it, it's a 5 minute job.

As far as starting, I'm assuming you are talking about a hot start? If the idle speed is set too high this produces bad starting characteristics.
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November 30th, 2014, 11:16 AM   #9
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just removed the old spark plug.
It was really hard tightened and needed a great effort for the first half turn to unscrew, with common 14mm spark plug wrench. After unscrewing the half of the length by wrench i could do the rest of it by hand.
Going back to place the new one, I could only get it screw by hand only for the first half of the length. After that it gets really hard to do the rest with the wrench.
Any thoughts about that? It should screw easily until the end, using my hand or no? Should i use grease on the spark plug ?
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November 30th, 2014, 02:32 PM   #10
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anti seize compound on the threads wouldn't hurt
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