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Author Topic: KX450F vs. KX500  (Read 57972 times)

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Offline J.ellwanger

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Re: KX450F vs. KX500
« Reply #120 on: September 26, 2013, 01:34:50 PM »
lol good to dream, at this point,  with 4 strokes the way they are, I'll never buy, or be able to afford,  :?1200+ for top end?
 im having a hard time doing the $470 for my 125. (topend, new kips, gaskets, piston)  :cry:
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Offline motopunk

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Re: KX450F vs. KX500
« Reply #121 on: September 26, 2013, 06:37:37 PM »
Quote from: jBernard on September 26, 2013, 01:19:41 PM
a 300-400cc 2 stroke and for a dream, add in EFI or Direct Injection and IMHO that would be a 4 stroke killer.
the longer the big manufacturers wait the less likely they are going to re-tool and dump money in R&D for 2 stroke.
Unfortunetly it will never happen due to the money made off 4 Strokes, bikes are more expensive, parts are more expensive. why would they go back?

i'm surprised you dont see a 300SX ktm. of course theres the 300XC but have to dump $$$ to convert it to an SX and loose some of the weight. theres also the big bore kit for the 250 but its $$$ as well.
i just bought a '14 ktm 250sx and its awesome. an ultralight 300 would be even better and close the gap the 450 4 stroke has. i dont think they want to make it because it would hurt 4 stroke sales obviously.

and the idea of a private company coming up with a dream engine. i dont think it will ever happen, theres no way someone can jump in and match any kind of R&D ktm or the japanese have come up with. would probably be a 300 2 stroke that put 40hp to the wheels and was full of problems.


i ride a 360 ( big bored and longer stroked ´96 kx250 engine in actual 87-frame ) on the dyno we measured 51 hp on rear wheel. at the moment a little problem with the handmade copper-ring thats the new headgasket (i´m working to find a better solution) , but if it runs with its full potenzial no 450 wins a racestart against me...  8-)
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´83 kx250, ´87 kx250 (with 360 big bore), 87 kx500, ´93 kx500 sfc

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Offline J.ellwanger

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Re: KX450F vs. KX500
« Reply #122 on: September 27, 2013, 04:27:52 AM »
well then im playing the lotto
 and as soon as I win that 350million, I'll open shop. we cant let 2srokes lose due to money gains
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Offline J.ellwanger

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Re: KX450F vs. KX500
« Reply #123 on: September 27, 2013, 05:26:51 AM »
http://www.youtube.com/watch?v=5gVeqix2Yc4

 anybody hear of athena?
looks European based, 
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Offline sandblaster

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Re: KX450F vs. KX500
« Reply #124 on: September 27, 2013, 06:50:24 AM »
Quote from: J.ellwanger on September 27, 2013, 04:27:52 AM
well then im playing the lotto
 and as soon as I win that 350million, I'll open shop. we cant let 2srokes lose due to money gains

When you do win the lotto for 350 million, you can buy my shop....

Quote from: J.ellwanger on September 27, 2013, 05:26:51 AM
http://www.youtube.com/watch?v=5gVeqix2Yc4

 anybody hear of athena?
looks European based, 

Nope, but looks promising..... but I wouldn't hold your breath for anything fitting older bikes.
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline motopunk

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Re: KX450F vs. KX500
« Reply #125 on: September 27, 2013, 08:34:12 AM »
and then he has still 349 million dollar...   :wink:


athena is from italy and offers many good stuff like gaskets , bearings and seals for older and newer bikes...  big bore kits for several bikes... i use it in all my bikes...

http://www.athenaparts.com/eng
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big 2 stroke bikes are weapons for real men, who don´t fear death or devil. ;O)
´83 kx250, ´87 kx250 (with 360 big bore), 87 kx500, ´93 kx500 sfc

---  www.der-motopunk.de.tl  ---

Offline sandblaster

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Re: KX450F vs. KX500
« Reply #126 on: September 27, 2013, 09:14:23 AM »
Quote from: motopunk on September 27, 2013, 08:34:12 AM
and then he has still 349 million dollar...   :wink:

I think he would be closer to having 348.5 million left over...
I would need some start up capitol for my next business venture  :-D
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline mlstoner660

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Re: KX450F vs. KX500
« Reply #127 on: September 27, 2013, 11:05:35 AM »
Athena makes good big bore kits for atv's real reliable not as hopped up as some  of the other big bore kits. The one we put on my cousins yzf 450 had better cooling then all the other big bore kits out at the  time but wasn't putting down the same amount of hp but its still running strong years later with his minimal maintenance.
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Offline motopunk

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Re: KX450F vs. KX500
« Reply #128 on: September 27, 2013, 01:49:44 PM »
Quote from: sandblaster on September 27, 2013, 09:14:23 AM
Quote from: motopunk on September 27, 2013, 08:34:12 AM
and then he has still 349 million dollar...   :wink:

I think he would be closer to having 348.5 million left over...
I would need some start up capitol for my next business venture  :-D

 8-)... youre a fox...  :wink: 



Quote from: mlstoner660 on September 27, 2013, 11:05:35 AM
Athena makes good big bore kits for atv's real reliable not as hopped up as some  of the other big bore kits. The one we put on my cousins yzf 450 had better cooling then all the other big bore kits out at the  time but wasn't putting down the same amount of hp but its still running strong years later with his minimal maintenance.

with other words: only more torque and better rideability.
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big 2 stroke bikes are weapons for real men, who don´t fear death or devil. ;O)
´83 kx250, ´87 kx250 (with 360 big bore), 87 kx500, ´93 kx500 sfc

---  www.der-motopunk.de.tl  ---

Motorrad

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Re: KX450F vs. KX500
« Reply #129 on: September 27, 2013, 04:00:58 PM »
don't like aethena's work

REALLY don't like their gaskets
« Last Edit: September 27, 2013, 04:03:19 PM by Motorrad »
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Offline J.ellwanger

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Re: KX450F vs. KX500
« Reply #130 on: September 28, 2013, 02:53:16 AM »
Quote from: sandblaster on September 27, 2013, 09:14:23 AM
Quote from: motopunk on September 27, 2013, 08:34:12 AM
and then he has still 349 million dollar...   :wink:

I think he would be closer to having 348.5 million left over...
I would need some start up capitol for my next business venture  :-D

 hell i aint greedy.  but, might depend on where its located.
dropping my check into numbers next week :lol: J/K just 3/4, still need to eat.... :roll:

  but thanks for the input on that company, cant remember what i was looking at on youtube, but the direct injection caught my eye, just a very basic video though, and cant find the parts for it on their site
« Last Edit: September 28, 2013, 02:55:15 AM by J.ellwanger »
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Offline motopunk

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Re: KX450F vs. KX500
« Reply #131 on: September 28, 2013, 07:18:39 AM »
Quote from: Motorrad on September 27, 2013, 04:00:58 PM
don't like aethena's work

REALLY don't like their gaskets

ok... only the best for the master..  :-)
what are better gaskets then athena?? 
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big 2 stroke bikes are weapons for real men, who don´t fear death or devil. ;O)
´83 kx250, ´87 kx250 (with 360 big bore), 87 kx500, ´93 kx500 sfc

---  www.der-motopunk.de.tl  ---

Offline Foxx4Beaver

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Re: KX450F vs. KX500
« Reply #132 on: September 28, 2013, 07:30:35 AM »
Quote from: motopunk on September 28, 2013, 07:18:39 AM
Quote from: Motorrad on September 27, 2013, 04:00:58 PM
don't like aethena's work

REALLY don't like their gaskets

ok... only the best for the master..  :-)
what are better gaskets then athena?? 


Cometic....OEM...or just about anything else but.
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Offline sandblaster

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Re: KX450F vs. KX500
« Reply #133 on: September 28, 2013, 07:32:33 AM »
I've had really good success with Cometic and OEM.
I prefer Cometic which are Motorrad approved.  :-)
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Offline alward25

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Re: KX450F vs. KX500
« Reply #134 on: September 28, 2013, 09:03:34 AM »
Me too!!! :-D :-D

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