Maintenance & Technical > KX500 Steel Frame Conversion (SFC)
2003 KX 250 SF Conversion
KevinTwoStk:
Shoot! There's another '04 with your name on it...somewhere.
umberto:
So both guys texted me back within 15 minutes. And my wife says complaining never gets you anywhere. :-D The owner of the first bike may trade for a 4 stroke, but if not it's mine. The second bike I found is a 2003, but is mechanically pretty sound. It has a new motor with 10 or 11 hours, pipe, silencer, and Magura hydraulic clutch which intrigues me. Of course it's 4 hours away instead of two. Here is the 03:
umberto:
So I picked up the 03 today. The motor is really crisp, and there was nothing glaring (that I wasn't going to replace anyway) wrong with the bike. The Magura clutch is awesome. Has anyone tried one with a K5?
Here's the Magura clutch cylinder:
KevinTwoStk:
Good deal! That's a nice looking '03.
I can't speak for the Magura hydraulic conversion on a KX500, but I do have one on my '00 KX125. With all the clutch abusing required to ride a 125, I think it's a pretty good barometer for the Magura system.
I've had zero troubles with the slave cylinder, but I've had to replace the seals a few times on the master cylinder. As for performance, it's everything it's supposed to be: self-adjusting, easier lever pull.
Motocross Action featured a KTM/KX500 that used a Magura hydraulic conversion. The 250SX uses a Magura master cylinder, so they just added the KX500-spec Magura slave cylinder. I assume it worked well.
umberto:
Does anyone know if the swingarm needs to be trimmed for an 88 K5 in my 03 frame? If it does need to be trimmed, do you need to trim equal amounts off each side, or do you need to offset it to one side or the other? Thank you for the help, I don't want to make a costly mistake right out of the gate.
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