Author Topic: kx500 supermotard retard  (Read 3610 times)

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shane

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kx500 supermotard retard
« on: May 28, 2004, 04:32:02 PM »
Just wanted to say what a great source of info that this site provides. Just wanted to tell you all a little bit about my project.I have a 89 500 that is being built into a street legal motard retard (i call it retard because it is one step beyond a motard) First thing that I did was purchase a complete 2003 Suziki gsxr 1100 front end minus fairings of course,and adapted this to the kx(the gsxr is a state of the art front end)then  I tossed the original shock and put on the gsxr four way ajustable rear shock which lowered the back to match the front.Next dumped the whole air box unit,and installed K&N cone filter(for that dirt tracker look.Then I mounted a enduro style fairing from eline with their lighting kit.Next I put on the 93 kx 250 rear fender,and below that instaled a carbon fiber tire hugger fender then mounted a nice big fat soft rear tire. Almost forgot still useing the gsxr clip ons for handle bars. currently talking to B&B about their 600 plus cc big bore. this thing is going to be a blast and a real corner burner.If anyone culd tell me the top speed that a big bore kx with the right gearing is capable of would be great. I fitted everthing up and then tore every thing down again and sent the motor out, and then the frame and swing arm for powder coating.Cant wait to ride this thing :lol: . You guys probally think im a raging lunitic.

Fookeneh

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kx500 supermotard retard
« Reply #1 on: May 29, 2004, 07:18:34 PM »
yep. 8)

kawdude

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kx500 supermotard retard
« Reply #2 on: May 30, 2004, 04:55:55 AM »
Pics????

Fookeneh

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kx500 supermotard retard
« Reply #3 on: May 30, 2004, 06:55:15 AM »
there's a road racer out here that goes 120 mph.. the crotch rockets catch him in the corners ,but the k-5 leaves them on the straights. It's stock with a pipe,reeds and jetting. It's a small tight road course.

mikesmith

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kx500 supermotard retard
« Reply #4 on: May 30, 2004, 08:12:29 AM »
Like Kawdude,pics?

Folke

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kx500 supermotard retard
« Reply #5 on: May 30, 2004, 08:39:01 AM »
If you go to 600cc you will loose rpm at the top,but you will have everything at the bottom with 600cc 14/42 about 100 mph,stock and 14/42 110-115 mph.We have done with stock and port.cyl. bigbore carb. to 41mm,v-forcereeds, 14/42 topspeed 120 mp, 15/42 130mph.
There will always be problem with 600 cc becuse you have to modified the crankhouse and to big pressure on crankshaft and bearing.

shane

  • Guest
kx500 supermotard retard
« Reply #6 on: May 30, 2004, 02:13:42 PM »
Sorry guys no pics yet but as soon as it comes back from powder coat and I start puttin her back together I will send out pics.SO it sounds like from what Im hearing I dont want to over bore(not even to 520 or 540)? That will destroy my top end? I thought the more HP = More Speed.And a quick Question who is the best on bottom ends (NOW GET YOUR HEADS OUT OF THE GUTTER) what I mean is the lower case, and what should I have done to it. Later

kawdude

  • Guest
kx500 supermotard retard
« Reply #7 on: May 30, 2004, 03:48:32 PM »
Falicon cranks in Florida or Crankworks.  I just know these names, I haven't used either.  Post pics of the rebuild.  It's great to see a birth of a monster!