Maintenance & Technical > KX500 Aluminum Frame Conversion (AFC)
500 AF Reliability
gowen:
So, when work decides to slow down for the winter, I've decided that I want to tackle the AF project but am curious what kind of reliability you guys are running into? Mainly the people who have put some hours on your AF. I know the 500 is bad about breaking mounts and so forth, but was curious about welds for the motor and the pipes.
don46:
I've not broken any mounts, but the brackets that are made of the smaller gauge aluminum have broken, I beef them up and will probably break some place else. I've told all my buddies that I wouldn't do another aluminum framed 2 stroke, the conversion was easy, I'm just not conviced its as good as the steel framed 250f conversion when it comes to handling. I have a complete 250f Showa suspension off an 07 that I'm thinking about retrofitting to the 05 250f.
To be fair I haven't riden the AL framed bike that much so I reserve the right to change my opinion.
Dutch-K5 Fan:
So the KXF Steel frame can handel the K5 power :?
It looks so nimble.
Dutchie
AJ:
Gowen-
if done properly
i would not sweat the reliability.
while i've only made the KX500AF so far for two years..(07-08)
the bikes have been stone reliable.
and i do have ten years (since 97 actually)
of putting 500 2 strokes in the alum chassis..in the CR line up..
the bikes are as reliable ,if not more so,
than the steel frames , in every aspect.
when you are ready to dive into one, yourself , or thru someone else building it,
, , i wouldnt let that "worry" hold you back!
gowen:
--- Quote from: AJ on September 10, 2008, 03:25:26 PM ---Gowen-
if done properly
i would not sweat the reliability.
while i've only made the KX500AF so far for two years..(07-08)
the bikes have been stone reliable.
and i do have ten years (since 97 actually)
of putting 500 2 strokes in the alum chassis..in the CR line up..
the bikes are as reliable ,if not more so,
than the steel frames , in every aspect.
when you are ready to dive into one, yourself , or thru someone else building it,
, , i wouldnt let that "worry" hold you back!
--- End quote ---
Thanks AJ, I've been watching your work since the old dirtrider.net days back when you guys started releasing the AF and a few buddies there purchasing them.
I had back luck with my KX and everything that could break broke on it. So, I've been skeptical about it since the steel frame busted mounts near every d**n race. Either way, depending on the time, I'd personally love to tackle it myself just for fun, but more than likely will have one built or pre-built.
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