Maintenance & Technical > KX500 Original

Noise restrictions

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edkx:
Wow! Apparently,I do! :-o

Danger4u2:
Thanks for the link.  That looks like the ticket next time I visit the kin in MN.  He must have had a tester that said he could not ride, too loud.  Good design should work.  I was lucky I sweet talked her into letting me ride.

Johnniespeed:
My 04kx500 with Pro Circut "296" silencer that has two seasons on it comes in at 98 decibels. That is slightly over the 96 decible "suggestion" limit. I usually can pass and ride as long as they give me a warning to repack it. I agree that I will repack and off I go.
  In Michigan there are only two areas that I know of that check the noise. One is Silver Lake sand dunes and the other is Bull Gap area. The good news at Bull Gap ( for me) is that they are overlooking the dirtbikes and targeting the quads with aftermarket pipes who are no where near passing 96db.
  They check my bike at 3500 rpm , at a forty five degree angle from the tip and eighteen inches away. They give you a sirometer and you hold it on your engine to determine the RPM.   
  The snorkel is ugly but I have been thinking about buying one, to use when they are more insistant with compliance. Maybe a newer model will come out that looks nice.

kx666:
a good way to "cheet" at theese tests is a "turn down pipe". the mesure the sound from streight back 3 ft away, if you angle the pipe it quiets it down a lot

serafin:
Interesting item but sure is ugly looking.

Serafin

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