Maintenance & Technical > KX500 Original
kx500 power opinions
azracer19:
I own a kx 500 with no mods ( to engine ) except gearing 15...44, I also own a KX 250 and 125. AS I dont race motocross on the 500 I am not sure about a 500 beating a 250 or even a 125 corner to corner on a track with lots of turns. I do know for a fact that the 250 and 125 will pull my 500 from the start somwhere between 2 and third gears the 500 catches up and walks away from them. The only bike I have owned that came very close was a KTM 390. As far as the earlier comment about big nasty hills, which I have seen lots of, there is no other bike I would want then the 500 on a long nasty hill. just my opinion
Polar-Bus:
I've had my KX500 out on the motocross track many times. It's NOT the KX500's strong point. A KX500 "drags" you around the track, rather then you driving the 500 around the track... however, talk about ROOST! Nobody ever follows directly behind me for some reason... LOL
kaw rider:
Hillclimb
what year 250 do you have. I'll run some sims for you. It's all in the set up.
Mick:
Are we still juggling the false presumption that more power = go faster in this debate???
Modern 250s are powerfull and incredibly fast, likewise a 500cc two stroke is even more powerfull. BUT THEY ARE NOT FASTER!!! Gernerally speaking...we can name niche applications all day :roll:
We need to realize an engine's performance on the dyno is absolutely, postively, in no way shape or form an indication to how "FAST" the bike performs in real world. Save of course for you guys thinking, "Well what about drags, the dunes, or hillclimbing?" I got it, nothing beats a 500cc two smoke. I'm talking about what the machine was specifically intended for. Track and/or trail use. Dodging trees, railing corners etc etc...
I wish 500s were as "fast" as some of you think they are :-D
My two 500s for example:
My KX makes more power everywhere than the CR, but the Honda is ALOT faster!
A modern 250 is as fast or faster than a 500 for the same reasons my Honda is faster than the Kawi. They put more power to the ground, they build power quicker, they're lighter and whereas they may not produce as much peak power...they still produce rediculous quantities of it non the less. It's quite simple. Matter of fact my Honda, and I'm sure the KX500AF, feel like a 60hp 250 MXer. Nothing at all IMO like the old steelies. And when you ride a 500AF, you will know the difference between "POWERFULL" and "FAST".
A KX500 is powerfull. A YZ250 is fast. A 500AF is both powerfull AND fast :mrgreen:
kaw rider:
Mick is right, you are compare old technology and new technology. Big differance.
250 new tech.
500 old tech.
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