2017/18 KTM 250SX ignition map question.

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9/5/2017 4:53 AM

Tech Section is jacked up right now.

On the new generation KTM and Husky 250s SX/TC there is a white plug under the tank that can be unplugged for a less aggressive ignition map/curve. Tried it yesterday and it really is a difference, in a good way for tighter slick tracks like I was riding yesterday. Really smooth.

My question is: Any reason adding a switch to replace the plug cause any problems? The plug is a pain. I know on low voltage circuits even splicing can cause to much resistance. I'm thinking it would be fine if the plug doesn't cause a problem nether would the switch.

A handlebar switch would be great too if I could find a durable one. Also wonder if it map could be changed on the fly?

Got any insight, Id appreciate it.

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9/5/2017 4:56 AM

I think I got mine from Sicass racing, the handlebar switch that is. Yes you can change on the fly

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9/5/2017 5:25 AM

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9/5/2017 5:34 AM

Making it a handlebar switch like on the Hondas would have been a brilliant idea.

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9/5/2017 6:04 AM

not sure on the 2t, but ktm sells the bar switch for the 4ts so it looks oem

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9/5/2017 6:07 AM

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9/5/2017 7:05 AM

I got one from Slavens Racing for like $15.

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9/5/2017 7:13 AM

Don't the 2018 TC250's come with that switch standard? I saw someone on here who just bought one and posted a photo of the switch. I've been waiting for the 2018 fiche to come out so I can see what they will cost and see how/if they can be plugged into the 2017.

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9/5/2017 7:15 AM

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9/5/2017 7:59 AM

Nice! It says it fits the 250sx. More expensive but that looks durable.

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9/5/2017 8:06 AM

2018 OEM parts not out yet or Id definitely go that route.

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9/5/2017 8:17 AM

Based on RMATVMC's fitment on that switch, showing that it fits 2017 250SX and showing the OEM # when you add to cart.

This will likely be the switch that will come on the 2018's when the fiche come out.

OEM: 51539974200

Photo

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9/5/2017 9:51 AM

alexk417 wrote:

Based on RMATVMC's fitment on that switch, showing that it fits 2017 250SX and showing the OEM # when you add to cart.

This will likely be the switch that will come on the 2018's when the fiche come out.

OEM: 51539974200

Photo

Yep. I just ordered it.

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10/30/2019 5:20 AM

Hi, i'm new here. Does anyone have the problem with 250sx 2016 when map is unplugged for soft performance i can't start the bike? I have 300 cylinder(mark:72/6BR) and 300cdi.

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