Booster plug and warranty - 2018 KTM 790 Duke Forum
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post #1 of 6 (permalink) Old 09-25-2019, 12:33 PM Thread Starter
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Booster plug and warranty

Hi all,

I picked up my bike a week ago, and I bought a boosterplug which is due to arrive today. Crossed my mind though... will it void warranty?

2019 KTM Duke 790
2015 Ducati Monster 821
2002 Honda XR400R
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post #2 of 6 (permalink) Old 09-25-2019, 11:47 PM
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Not if you take it off before making a warranty claim.
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post #3 of 6 (permalink) Old 09-26-2019, 12:19 AM
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Quote:
Originally Posted by colombo View Post
Hi all,

I picked up my bike a week ago, and I bought a boosterplug which is due to arrive today. Crossed my mind though... will it void warranty?
KTM have new mapping for the 790 that allows for an open pipe (removal of CAT). But the stock pipe doesn't run well with a link pipe, needs a more open less restrictive exhaust.
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post #4 of 6 (permalink) Old 09-26-2019, 10:24 AM Thread Starter
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Originally Posted by DaveNZ View Post
KTM have new mapping for the 790 that allows for an open pipe (removal of CAT). But the stock pipe doesn't run well with a link pipe, needs a more open less restrictive exhaust.
Good to know. I spent most of my upgrade money already on other bits (sliders, engine case guards, etc.). Will probably upgrade the exhaust at some point next year.

2019 KTM Duke 790
2015 Ducati Monster 821
2002 Honda XR400R
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post #5 of 6 (permalink) Old 09-27-2019, 03:32 AM
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Umm, what is a booster plug ?
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post #6 of 6 (permalink) Old 09-27-2019, 10:45 AM Thread Starter
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Originally Posted by magoo View Post
Umm, what is a booster plug ?
https://www.boosterplug.com/shop/boo...-790-747p.html

In a nutshell... it fools the ECU into thinking the air temp is a few degrees cooler than with the stock air sensor. This causes it to run a bit richer across the fuel map, fixing a lot of the low RPM stumbling/roughness. Because of emissions requirements modern bikes are sent out of the factory very lean, causing these issues.

2019 KTM Duke 790
2015 Ducati Monster 821
2002 Honda XR400R
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