Maintenance & Technical > KX500 Original

Porting and Polishing

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99tjrockcrawler:
What do you guys know about porting and polishing?  How much more power does it really give?  Any recommendations on where to get it done on the west coast.  I live in vegas.  I am really getting tired of those darn 450's beating me.  I run mostly in the sand and I know my bike is faster but with my weight the 450's take me a just a hair.  I want to add more power but not really tear intot the motor because I want it to stay reliable and it seems like the more mods you do the more it breaks.

Thanks for any help!!

MIke

Arigato:
It definately makes a difference on the K5.  Send it to Eric Gorr and have him to the "mo betta everywhere" port job to the cylinderl.  There are a lot of casting flaws in the stock cylinder.  I live in 'Vegas too.  We should hook up and ride.

reknelb:
You may want to check on turn around time before sending to Gore. I've seen alot of complaints online about turn around. I've also seen some of his responses to unhappy customers on a certain website. Not sure I would send anything to him myself, although I hear his work is really good. (and cheap)

gowen:
I'd be for the porting from Gorr too, but I am a little pro-Eric, as he has hooked up most of my dirtbikes with no trouble and pretty fast too. Just be patient, he is one person handling hundreds of jobs. The outcome is awesome. Yes, dirtrider has had complaints, but I've never had any and have had 10 motors sent to him, 5 being ones I owned.. (including my KX, it is in for the second time (520 :-) ) due to my own stupidity)

gwcrim:
I had Gorr do my top end.  I even went with an over sized bore.  Isn't bigger always better?  I've been 100% satisfied with Eric Gorr's service.

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