Maintenance & Technical > KX500 Steel Frame Conversion (SFC)
Steel frame engine fitment (03-04 KX250 2t)
PowerFiend:
Also, did you happen to measure how much taller the 500 sits in the frame than the 250?
thanks.
The Flyin Hawaiian:
The tank will need an extreme amount of modification to fit, way more than what a heat gun can do. It seems that the guys doing the AF conversions have alot less work to do to the tanks to get them to fit. If I can find a large capacity tank from a 450F, Id like to see if that tank will have more clearance. A friend of mine used to make carbon fiber tanks for Team Yamaha Offroad, he also made the A-Loop CR styled XR400 tank and did some developement work for IMS. I may ask him if he would want to do a tank for me. I know it will be expensive though! I didnt get to measure the height between the 250 and 500 but I have another 250 that I can get a measurement from.
PowerFiend:
Well that's a bummer. I already have a 2003 KX125 rolling chassis that I had started to mod for a KDX220 motor, I even clearanced a Clarke tank for its water outlet. I figured with a new engine cradle and a bit more tank work I would be good to go for the 500 swap.
On a brighter note, I did trade the 97 KDX today for a pretty clean 01 500 and a few bones. :mrgreen: :evil:
The Flyin Hawaiian:
My next project will be a 03 up 125 chassis with a 200/220 motor. how much work did you do to the tank for your project?
PowerFiend:
--- Quote from: The Flyin Hawaiian on May 09, 2009, 02:52:52 PM ---My next project will be a 03 up 125 chassis with a 200/220 motor. how much work did you do to the tank for your project?
--- End quote ---
It needs to be clearanced above the water outlet on the head next to the petcock, and will need some clearancing on the right side of the rear head stay. The KDX's head stay is offset more to the right than either KX (125/250).
For the front head stay there looks to be room to drill and put some through bolt style mounts, but you will need to angle the bottom cross-overs on the rads downward slightly for clearance. For the rear head stay it is in a tunnel on the Clarke tank, so just shorten and make some appropriate angled aluminum plate headstays, possibly already done from another donor bike. They are long, but the later CR250 plates look to have the correct angled offset.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version