Maintenance & Technical > KX500 Original

loud engine noises up front, normal.?

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jdv500:
i've just finished running in some new parts on my 01-500.  i'm able to hear the engine working , sound coming from the front of the motor. more at idle then but also when revving up too.
it's a mechanical fast metal rattle ( deep-tone).** does'nt seem to change with rpm...
 it just sounds alittle loud to me. if i'm standing in front of the bike as it idles,,,,, i can hear the engine working over the exhaust note.!!!!!!!!!!
 thank , jdv

KXcam22:
JDV,
  Sometimes the governor for the powervalve will rattle, and it definitely will increase with RPM. Not sure of the severity or the fix (other than replacing things). Cam.

jdv500:
thanks for the reply,
i just want to relax in knowing that it is a normal bit of sounds, mechanical and all, and that i can get on it without any worries. no frags.!!!   thanks, jdv

mikesmith:
I would say your safe(hard to tell without hearing it) but mine is loud compared to my other bikes.

John:
If your exhaust mount brackets are broken (the top one tend to brake easily), this can cause the exhaust to vibrate in the cylinder. As mentioned above, your KIPS valves can rattle as well.

//John

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