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- Jan 20, 2013
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What is this piece?!?!
- Thread starter quackquack
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- piece
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- Joined
- Jan 20, 2013
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- 647
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- Nyc
You guys are ....... awesome... Fast reply... I'm going with butterfly mechanism engine thingy because I noticed the butterfly on the stock and now that someone mentioned it in guess it makes sense... Thanks again
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- Apr 12, 2012
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- Juneau, AK
aka the servo motor
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- Jan 24, 2012
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- The Med
- Joined
- Jan 24, 2012
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- 2,548
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- The Med
If we're gonna split hairs, which can sometimes be fun, its the butterfly actuator assembly
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- Jun 22, 2012
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Didn't that flapper and the servo/butterfly actuator assembly thingy have to do with cutting the noise down at low rpm? I remember back before I had the slips installed once in awhile while riding all of a sudden the bike would become way quiet like there was an issue and you could rev it and the butterfly would pop open and back to the normal sound.
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- Dec 24, 2011
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- Jan 24, 2012
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- 268
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- Vail, CO
I HATE that thing!
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- May 3, 2012
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- Someville, Somestate
Yes, the EPA has sound insane guideline that it can't be over so many dB at a certain percentage of your max RPM. That's why you have valves and lowered redlines.
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- Jun 22, 2012
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Precisely what I have thunken. Rough road ahead for you my friend
Where I'm going I don't need roads.
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