KX Riders

Maintenance & Technical => KX500 Steel Frame Conversion (SFC) => Topic started by: vagassasson on October 18, 2014, 03:42:42 PM

Title: ktm kx 500 conversion
Post by: vagassasson on October 18, 2014, 03:42:42 PM
So I just picked up another k5 motor and I have decided that I want to do the ktm conversion. If anyone knows of a good rolling frame for sale let me know. And any tips and trick for this build are appreciated
Title: Re: ktm kx 500 conversion
Post by: sandblaster on October 18, 2014, 04:55:37 PM
Whacha gonna do to the motor?
Title: Re: ktm kx 500 conversion
Post by: vagassasson on October 19, 2014, 12:34:02 AM
Prolly try to get motorad to build it. If not him then Pinsonnault Racing. No big bore just a stage 3 port job
Title: Re: ktm kx 500 conversion
Post by: vagassasson on October 19, 2014, 01:02:24 AM
And if this build turns out the way I want it I will have fuel injection on it :-D and lots of other fun stuff :-D
Title: Re: ktm kx 500 conversion
Post by: sandblaster on October 19, 2014, 03:50:46 AM
Nice, I hope the fuel injection works out well.
Title: Re: ktm kx 500 conversion
Post by: vagassasson on October 19, 2014, 10:17:09 AM
Yeah me 2 Its gona take a lot of tuning and time to get it right but I think its possible to have fuel injection and have it be reliable
Title: Re: ktm kx 500 conversion
Post by: Chainsmoker on November 05, 2014, 11:37:07 AM
What year roller are you looking for and where are you located, I have a line on a 14 250sx roller a guy wants to trade me for my red afc roller. He is in West Virginia tho so not sure I can get to it. I will hook you two up if you are interested.
Title: Re: ktm kx 500 conversion
Post by: vagassasson on November 25, 2014, 09:41:24 AM
Quick update motor should be here by Saturday. Its going to my local performance shop FTZ. They are supposed to be pretty good and the prices they quoted me for motor work were very good.
Frame is on its way as well. It is a 2009 ktm 250 sx-f with a title :-D . Once I have it in front of me I will start buying more of the necessary parts .
If anybody has any spare parts that will fit what I'm doing let me know and I might buy them off of you
Title: Re: ktm kx 500 conversion
Post by: vagassasson on November 28, 2014, 10:52:24 AM
(http://i.imgur.com/UtBGJY9.jpg)
Thanks to Alex ward and his brother I got a fresh batch of goodies in the mail today. A complete kx500 engine exhaust and electical :-D . Happy thanksgiving to me. It is currently blown up but its not in terrible shape as far as I can tell and with as much power as I am going to try to produce I would be rebuilding the whole thing anyway. Next stop ftz performance
Title: Re: ktm kx 500 conversion
Post by: vagassasson on November 28, 2014, 10:56:00 AM
Nice, I hope the fuel injection works out well.
Don't think I'm doing the fuel injection anymore after finding out that apt is right down the road from me I'm prolly going with one of the smart carbs. I talked to them last week and the way they have the Carb setup it can handle a turbo just fine
Title: Re: ktm kx 500 conversion
Post by: alward25 on November 28, 2014, 11:52:55 AM
sweet, looks like you may have the small spline shift shaft.......
Title: Re: ktm kx 500 conversion
Post by: vagassasson on December 01, 2014, 09:40:17 AM
(http://i.imgur.com/s6GMgZ6.jpg)
What's better than 2 jugs???
That's right 3 jugs :-D
Title: Re: ktm kx 500 conversion
Post by: vagassasson on December 01, 2014, 10:15:25 AM
(http://i.imgur.com/DuKbqbi.jpg)
Frame just showed up
Title: Re: ktm kx 500 conversion
Post by: sandblaster on December 01, 2014, 01:58:14 PM
Are you done yet?  :-D
Title: Re: ktm kx 500 conversion
Post by: vagassasson on December 01, 2014, 02:15:08 PM
Are you done yet?  :-D
As soon as I have the money to buy all the parts I need ;-)
Title: Re: ktm kx 500 conversion
Post by: crusher on December 06, 2014, 03:41:00 PM
Hey guys where are you getting you pipes from for this conversion.

thanks
Shane
Title: Re: ktm kx 500 conversion
Post by: vagassasson on December 20, 2014, 12:25:48 PM
Anybody got a shock and swingarm for a 2009 ktm sxf?
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 16, 2015, 01:13:41 PM
Got a shock and a swing arm on the way... any suggestions for the front end? I was thinking Yamaha yz450 shocks. Do those make for good super moto shocks? And I'm looking at a custom triple clamp. What degree should I have it made at?
(http://i.imgur.com/Mu8NsW6.jpg)
(http://i.imgur.com/3RSCEra.jpg)
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 20, 2015, 10:46:36 AM
Made a little progress on it today.work has been kinda busy lately so I'm just working on it as I get time (http://i.imgur.com/hFsPHF9.jpg)
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 31, 2015, 03:31:11 AM
(http://i.imgur.com/aNQh0Lj.jpg) got some goodies in from todd pinsonnault. 2 balanced cranks with wossner rebuild kits :-D
Title: Re: ktm kx 500 conversion
Post by: sandblaster on January 31, 2015, 03:39:07 AM
KX1000 twin.... Sweet!!!  :-D
Title: Re: ktm kx 500 conversion
Post by: alward25 on January 31, 2015, 04:24:44 AM
nice, no weld on the pin?
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 31, 2015, 06:55:27 AM
nice, no weld on the pin?

I Guess not it must be something you have to request but I'm not to worried about it
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 31, 2015, 06:59:38 AM
KX1000 twin.... Sweet!!!  :-D
Or....(http://i.imgur.com/iHA15H7.jpg)
Title: Re: ktm kx 500 conversion
Post by: sandblaster on January 31, 2015, 08:17:14 AM
 :-o
Title: Re: ktm kx 500 conversion
Post by: dave916 on January 31, 2015, 10:10:37 AM
(http://i.imgur.com/aNQh0Lj.jpg) got some goodies in from todd pinsonnault. 2 balanced cranks with wossner rebuild kits :-D

What factor did u balance at? and what year type cranks are they?

Be very carefull handling them as is takes very little to untrue a unwelded kx crank :-)
very little crank pin diameter in webs  {about 15mm  in kx/ a cr5 has about 22mm and a thicker pin, this makes the kx crank very easy to move out of true
a pic to compare
(http://i246.photobucket.com/albums/gg119/cr500-af/kx500%2088%20cases/SAM_0451_zps5f2dca89.jpg)
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 31, 2015, 11:32:15 AM
One crank is from a 94 the other is from a 98.
I had a shop do the work so I'm not sure what the balance factor is. The shop I had it done at was pinsonnault racing and he only needed to know what piston I was going to run and in this case it was a 86mm wossner
Title: Re: ktm kx 500 conversion
Post by: dave916 on February 01, 2015, 12:13:36 AM
One crank is from a 94 the other is from a 98.
I had a shop do the work so I'm not sure what the balance factor is. The shop I had it done at was pinsonnault racing and he only needed to know what piston I was going to run and in this case it was a 86mm wossner

The cranks look a bit unusual with the alignment  holes { seen these on works crank /think alward25  has one }
none of my 89on cranks have holes

most  shops use 50% factor /sometimes the scib the info between the webs,can be hard to see
think motorrad had his crank done at 60%
 always nice to know what factor your running and how it feels in differant chasssic etc
good luck with the build,
Title: Re: ktm kx 500 conversion
Post by: vagassasson on February 02, 2015, 10:35:56 AM
Went to assemble bottom end and I was missing a crank bearing  :x have to wait on new ones to get here
Title: Re: ktm kx 500 conversion
Post by: dave916 on February 02, 2015, 11:01:23 PM
Went to assemble bottom end and I was missing a crank bearing  :x have to wait on new ones to get here

I would  Use  oem crank bearings and I would not use lockite on crank journal flywheel side 
Title: Re: ktm kx 500 conversion
Post by: vagassasson on February 03, 2015, 12:04:32 AM
Im using FAG bearings on this build
Title: Re: ktm kx 500 conversion
Post by: dave916 on February 03, 2015, 09:33:33 AM
Im using FAG bearings on this build

You got to ask youself why do kawasaki charge you $40 for $10 bearing
ANSWER: kawasaki charge u $40 for $20  bearing  :-D
koyo make differant bearings for crankshafts

 

Title: Re: ktm kx 500 conversion
Post by: vagassasson on February 03, 2015, 12:22:05 PM
I guess we will find out if the fags are up to the job since the one engine I'm building has a target HP of 140
Title: Re: ktm kx 500 conversion
Post by: sandblaster on February 03, 2015, 01:07:54 PM
140hp?  :-o :-o :-o

Fag bearings are good quality.
I'd be looking at my rod as a point of weakness.
Title: Re: ktm kx 500 conversion
Post by: alward25 on February 03, 2015, 01:32:33 PM
140hp?  :-o :-o :-o

Fag bearings are good quality.
I'd be looking at my rod as a point of weakness.

its a Wossner so we will see.....
Title: Re: ktm kx 500 conversion
Post by: umberto on February 03, 2015, 01:35:06 PM
Wow, 140 hp!  That's a ride video I want to see.  Just make sure your life insurance premiums are paid.   :-D
Title: Re: ktm kx 500 conversion
Post by: sandblaster on February 03, 2015, 01:39:18 PM
140hp?  :-o :-o :-o

Fag bearings are good quality.
I'd be looking at my rod as a point of weakness.

its a Wossner so we will see.....

That's good to know.
I'm itching to install mine in my new motor...
Title: Re: ktm kx 500 conversion
Post by: vagassasson on February 03, 2015, 01:59:45 PM
Wow, 140 hp!  That's a ride video I want to see.
You and me both. Just remember that's the target HP... that's the number I'm shooting for but I'm not sure I can reach it.  No promises I can do it but I am going to try
Title: Re: ktm kx 500 conversion
Post by: vagassasson on February 18, 2015, 04:27:52 AM
(http://i.imgur.com/naJMF7r.jpg)
So I just bought a complete rolling chassis off eBay waiting for it to get here then things are going to start coming together
Title: Re: ktm kx 500 conversion
Post by: umberto on February 18, 2015, 05:57:41 AM
(http://i.imgur.com/s6GMgZ6.jpg)
What's better than 2 jugs???
That's right 3 jugs :-D

Why has nobody done this joke yet?  Hey Vagassasson, NICE JUGS!   :-D  I'll just see myself out...
Title: Re: ktm kx 500 conversion
Post by: sandblaster on February 18, 2015, 07:04:56 AM
If three jugs are good then certainly four must be better?

(http://www.oem-cycle.com/forum/download/file.php?id=750)

Title: Re: ktm kx 500 conversion
Post by: LukeG on February 18, 2015, 07:59:41 AM
You guys are just showing off!
Title: Re: ktm kx 500 conversion
Post by: umberto on February 18, 2015, 08:13:05 AM
If three jugs are good then certainly four must be better?

(http://www.oem-cycle.com/forum/download/file.php?id=750)



Hey Sandblaster, (wait for it) you have amazing jugs too... :-D.
Title: Re: ktm kx 500 conversion
Post by: vagassasson on February 18, 2015, 08:25:42 AM
If three jugs are good then certainly four must be better?

(http://www.oem-cycle.com/forum/download/file.php?id=750)


I will take the one on the left :-P or perhaps the middle left ... I like the look of those intake ports :-P
Title: Re: ktm kx 500 conversion
Post by: sandblaster on February 18, 2015, 08:31:07 AM
If you have more then 4 jugs your a horder like Roost...  :-D
Title: Re: ktm kx 500 conversion
Post by: dave916 on February 18, 2015, 09:14:52 AM
out of the 8 two been replated and the rest all need work
(http://i246.photobucket.com/albums/gg119/cr500-af/SAM_0672_zps62ff6fb9.jpg~original)

a couple of cr5 JUGS as well
(http://i246.photobucket.com/albums/gg119/cr500-af/SAM_0671_zpsb096ddaf.jpg~original)

I am going to have to start building motors
Title: Re: ktm kx 500 conversion
Post by: umberto on February 18, 2015, 09:26:29 AM
You guys are making me feel inadequate.  I only have one KX 500 jug.   :-D

(http://i1299.photobucket.com/albums/ag75/umberto_32/7FCBAEE2-6248-4882-B71E-EED0A568F6AC.png_zpsdgu8xesq.jpeg~original)
Title: Re: ktm kx 500 conversion
Post by: sandblaster on February 18, 2015, 10:00:06 AM
Hey dave916.
I see three that have had the intake bridges removed (CR500s....)
Ever tried it in a KX500?
Title: Re: ktm kx 500 conversion
Post by: dave916 on February 18, 2015, 12:22:40 PM
Hey dave916.
I see three that have had the intake bridges removed (CR500s....)
Ever tried it in a KX500?
The cylinder with no intake bridges are on 86 and   88{2] cylinders   [look similiar to the cr5}

I Have seen on post 89 cylinder {540]  with intake bridges removed {probably need more frequent piston changes}
(http://i246.photobucket.com/albums/gg119/cr500-af/_57_zps3a21fb64.jpg)

88 intake
(http://i246.photobucket.com/albums/gg119/cr500-af/kx500%2088%20cases/SAM_0637_zpsb3621e12.jpg)
(http://i246.photobucket.com/albums/gg119/cr500-af/kx500%2088%20cases/SAM_0636_zps225e5fbb.jpg)

Title: Re: ktm kx 500 conversion
Post by: vagassasson on April 01, 2015, 12:33:54 PM
(http://i.imgur.com/23RH5Gp.jpg)
After a long wait I finally got my rolling frame in so more updates to follow when I have time to work on it more
Title: Re: ktm kx 500 conversion
Post by: sandblaster on April 01, 2015, 12:39:47 PM
I'm feeling a bit jealous....  :-P
Title: Re: ktm kx 500 conversion
Post by: vagassasson on April 01, 2015, 01:29:51 PM
To be honest I still can't believe its finally here because I have been waiting on it so long ... it has all sorts of goodies that I wasn't expecting
New front and back tires
Hydraulic clutch still on the bars
New air filter
New chain
Newish Billet stainless billet fastest pegs

Not a scratch on the swingarm or front forks!!!!  :lol:
Only downfall is now I'm using an 06 chassis
Title: Re: ktm kx 500 conversion
Post by: vagassasson on January 10, 2016, 05:21:57 PM
So after a crazy year of work and not having time or money to build the rest of the bike I have finaly made a couple of steps in the right direction as far as getting back to finishing this build...
I was finally able to get my hands on a street legal frame and title so as to avoid any hastle with getting this beast street legal when it's all said and done.
Most of the bottom end parts for the motor are now in the shop waiting to be assembled...
Still have to build up some more funds and purchase a lot of parts...
Might be some time yet till I actually get the time to make some real progress on it but I will let you guys know when it happens