Erratic engine braking. - 600RR.net
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post #1 of 7 (permalink) Old 03-05-2014, 05:55 PM Thread Starter
Knee Dragger
 
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Erratic engine braking.

Hey everyone.

At the weekend I installed Arrow headers on my 2010' HRC. There was already an Akrapovic slip-on fitted and I removed the servo and installed the emulator.

My problem is when I start to decelerate the bike starts to jerk, like its engine braking/then accelerating. It starts at 7000rpm all the way down to about 3000rpm. Maybe lower. Can anyone help with this? It's only started since installing the headers or servo emulator.


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post #2 of 7 (permalink) Old 03-05-2014, 09:38 PM
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I've never experienced aftermarket headers for myself but sounds like you need a tune
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post #3 of 7 (permalink) Old 03-06-2014, 11:43 AM Thread Starter
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Ive had 3 different maps in it so far. And all do the same. Must be a back pressure problem or something.
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post #4 of 7 (permalink) Old 03-06-2014, 12:47 PM
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I'm experiencing something very similar. But mine doesn't "jerk". It just drops off to nothing. Like you just dropped to idle.
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post #5 of 7 (permalink) Old 03-06-2014, 02:53 PM
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Try a custom tune.. Pricey but wellll worth it
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post #6 of 7 (permalink) Old 03-09-2014, 02:12 PM
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look up dynarex OTF.....and use the search, several threads a few months ago

"jerky throttle response"
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post #7 of 7 (permalink) Old 03-20-2014, 08:20 AM Thread Starter
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I had some time during lunch today and I took out the TST servo emulator then replaced the original servo but left the cables disconnected as there's nothing to connect them to.

Took her out for a spin and shes fixed. I must have got the only broken servo which would be my luck.

Thanks to everyone who gave their suggestions for help.
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