Maintenance & Technical > KX500 Original

Riding without the powervalve.

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murcada:
I was reading an earlier post on this board about how a guy removed his powervalve. He didnt go into great detail about the effect on the power but it seems like it would be more like a CR500. I have to admit I have been considering removing my powervalve as well. I hate cleaning those things and they can be a real pain in the ass if they arent working properly. Any thoughts?

Rick:
Would never think of removing the power vavle on my scouter.  Yes, the power vavle is a pain to clean, but should only require service a few times a year, assuming that your jetting/fuel ratio is about right.  I don't think I have cleaned mine more that four times in any given year, and it only takes a couple of hours.  The trade off in power delivery though the RPM range is simply not worth the few hours saved each year to clean.

I'll stick with my power valve until I switch to a four stoke  :shock: (they will have to pry my 500 from my cold dead fingers...wait, that's my 9mm.  Oh well, same goes...)

Rick

Paul:
:shock:  :shock:  :shock:  :shock:  :shock:

--- Quote from: Rick ---I'll stick with my power valve until I switch to a four stoke  :shock: (they will have to pry my 500 from my cold dead fingers...wait, that's my 9mm.  Oh well, same goes...)

Rick
--- End quote ---

Oh, I'll buy a ticket to see the first ride of Rick on thumper :lol:

I don't know about the rest of you guys but I feel so outta place on those it's not even funny.

QuantumDuck:
When I first got my KX500, the powervalve was disconnected...mine is a '96....and I was getting smoked in drag races by a race prepped 2000 model YZ125!!...

I will never again ride without it...

HULKSTER:
OK....I don't have a 2003 Manual....how should I go about servicing my powercalve on my 2003 KX500?

I am missing a LOT of bottom....I believe it may be my powervalve or my compression. Need to get a compression tester.

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