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Author Topic: KX450F - KX500 conversion  (Read 1709 times)
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dpindet
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« on: February 06, 2010, 12:17:14 AM »

Hello All,

Here are some quick pics of my latest conversion. I am using a 2006 KX450F and installing a 1998 KX500 motor. So far, everything has been pretty straight forward. I did have some help from Jerry @ JFab Motorsports. He sold me the cradle tubes. Let me know what you think and I will keep updating this post as I progress. Anybody know how I can get my hands on one of SH's pipes? I have called and emailed with no luck. Thanks








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jfabmotorsports.com
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« Reply #1 on: February 07, 2010, 02:32:33 PM »

Very nice use of the old forged "Y" section. I take a slightly different approach but it looks real good and will have a nice factory look when finnished. With what looks to be real tallent skip the SH pipe and modify a PC or FMF from a KX500 and have a real custom part. Great job!

JFAB
« Last Edit: February 07, 2010, 02:41:26 PM by jfabmotorsports.com » Logged

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BDI
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« Reply #2 on: February 07, 2010, 03:59:20 PM »

I think a very succesful "Y" could be built out of some 1/4" flat pieces of sheet. I wish I had a frame to mod just to do a post on my idea. Very nice work, now lets see some beads. No pressure LOL
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Danger4u2
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« Reply #3 on: February 08, 2010, 12:52:22 AM »

Anybody know how I can get my hands on one of SH's pipes? I have called and emailed with no luck. Thanks

With what looks to be real tallent skip the SH pipe and modify a PC or FMF from a KX500 and have a real custom part. Great job!

JFAB

Two problems I encountered with the pipe on my 2008 Service Honda KXF450R. 

http://www.kxriders.com/forums/index.php/topic,4784.45.html
http://www.servicehonda.com/kx500af.html

#1: The bend/loop covers the flywheel,  removal of the cover or flywheel requires removal of the pipe.  It also interferers with the use of my E-Line coil.  I'll have to have a different pipe if I want to use the coil.

http://www.promotobillet.com/catalog/product_info.php/cPath/24_79/products_id/412

#2:  Service Honda utilizes the right rear fender bolt to mount their muffler.  I will have to relocate the mufflers mount to the original subframe muffler mount to enable me to install the rack.
I must say Service Honda made their pipe for a specific use. 
It looks, mounts and works great for moto-cross.
I use mine more like an enduro so I have to make a few changes.





* KX500AF Left side.JPG (65.72 KB, 640x480 - viewed 970 times.)
« Last Edit: March 24, 2010, 11:01:36 AM by Danger4u2 » Logged

KX & CR 500 Rider
cr37
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« Reply #4 on: February 08, 2010, 07:22:50 AM »

I used the 1/4" plates on mine and it worked great, 1 yr. of riding and no problems, also I bought a SH FMF pipe and works great.
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dpindet
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« Reply #5 on: February 08, 2010, 12:06:25 PM »

Round one at the welders is complete. Today the frame rails we completed. Now I gotta get the motor mounts and everything else fabbed up and tacked together. Here is where we are at so far, and just started a few weeks ago !





DPinDet
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dpindet
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« Reply #6 on: February 27, 2010, 07:31:50 AM »

Got a little more done this week. The pipe is all ready to be finished welded. I used a CR500 pipe and put the KX nose on it, along with a few other adjustments/tweaks. The CR silencer bolted right up to the rear fender mount. I will probably just roll with that though. Here are a few pics. Like how I incorporated the KX's air box vent into the KXF airbox?






DPinDet
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ThrottleJunky
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« Reply #7 on: February 27, 2010, 08:17:34 AM »

Man, you don't mess around.   Lots of progress in a relatively short period of time!   Looks GOOD!
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dpindet
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« Reply #8 on: March 08, 2010, 11:41:22 AM »

The last of the welding on the frame was done today. Here are some updated pics.


and the headstay

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bansheemaniac
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« Reply #9 on: March 17, 2010, 05:59:28 AM »

If you dont mind me asking, what did this cost you so far? i just want to get a rough estimate of how much im going to end up paying when i convert my k5.


Thanx
Lance
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dpindet
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« Reply #10 on: March 20, 2010, 09:21:17 AM »

I think I am around the $3000 mark. That is buying both bikes and selling off parts too. I bought a set of DNA wheels though, and that was $500.

DPinDet
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dubious01
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« Reply #11 on: March 22, 2010, 01:36:55 PM »

awesome work!
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dpindet
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« Reply #12 on: March 24, 2010, 09:59:15 AM »

Finally Done !





DPinDet

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jfabmotorsports.com
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« Reply #13 on: March 24, 2010, 02:25:45 PM »

Looks very good! I give it 1 and a 3/4 thumbs up, only because thats all I have now. Great job.

JFAB
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kwakman
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Kwikasfuki KX500


« Reply #14 on: March 24, 2010, 08:45:30 PM »

i bet kid at christmas doesn't even come close! looks really nice, give it a fistful from me.
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