Ktm 200sx (white sxs build) 2018

mountain106 6/11/2019 11:09am
6/11/2019 11:09am
Hi exactly as jmx82 said it’s a straight forward swap for the 2015 frame. I think there is a build thread on here of one that was done.
Carl.D
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Carl.D 12/8/2019 6:17am
12/8/2019 6:17am
I just started the same build....
Carl.D
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Carl.D 12/8/2019 6:19am
12/8/2019 6:19am

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CrGuy2T
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CrGuy2T 12/8/2019 6:28am
12/8/2019 6:28am
mountain106 wrote:
Hi exactly as jmx82 said it’s a straight forward swap for the 2015 frame. I think there is a build thread on here of one that...
Hi exactly as jmx82 said it’s a straight forward swap for the 2015 frame. I think there is a build thread on here of one that was done.
I built one with a 2015 frame. It’s a straight forward swap with a few minor adjustments. Very fun bike! The main ingredient to that engine Is an actual 200sx pipe and power valve controller.
7

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mountain106 12/8/2019 10:00am
12/8/2019 10:00am
That will be a nice build. You can order the correct air boot for the air box from any ktm/husqvarna dealer. I forget the model number. But it is just the tc version. Which will make lining up the engine easy.
Carl.D
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Carl.D 12/8/2019 2:36pm
12/8/2019 2:36pm
Hey mountain106, can you pm me? Id like to pick your brain a little on this build.
Paul1989
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Paul1989 12/9/2020 10:57pm
12/9/2020 10:57pm
mountain106 wrote:
Hi exactly as jmx82 said it’s a straight forward swap for the 2015 frame. I think there is a build thread on here of one that...
Hi exactly as jmx82 said it’s a straight forward swap for the 2015 frame. I think there is a build thread on here of one that was done.
Here’s mine I’m building in a 2017 sxf450
5
mountain106 12/15/2020 12:22pm
12/15/2020 12:22pm
Paul1989 wrote:
Here’s mine I’m building in a 2017 sxf450 [img]https://p.vitalmx.com/photos/forums/2020/12/09/464479/s1200_04540FF5_B719_43C1_8439_64C44E95B519.jpg[/img]
Here’s mine I’m building in a 2017 sxf450
Nice build paul. Hope it’s going well for you? Any questions give me a shout. I’ve around 14hrs up on my build and everything has been fine. Light and fast! And corners on rails. I’ve been playing between the 200sx ignition and a 144/150sx ignition. With the 150 i installed a 2 stage map switch and find a big differences between the two map modes. It’s breaks the grey wire.
Paul1989
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Paul1989 12/16/2020 5:52am
12/16/2020 5:52am
Paul1989 wrote:
Here’s mine I’m building in a 2017 sxf450 [img]https://p.vitalmx.com/photos/forums/2020/12/09/464479/s1200_04540FF5_B719_43C1_8439_64C44E95B519.jpg[/img]
Here’s mine I’m building in a 2017 sxf450
mountain106 wrote:
Nice build paul. Hope it’s going well for you? Any questions give me a shout. I’ve around 14hrs up on my build and everything has been...
Nice build paul. Hope it’s going well for you? Any questions give me a shout. I’ve around 14hrs up on my build and everything has been fine. Light and fast! And corners on rails. I’ve been playing between the 200sx ignition and a 144/150sx ignition. With the 150 i installed a 2 stage map switch and find a big differences between the two map modes. It’s breaks the grey wire.
Cheers mate, frames away getting powder coated, did you use flywheel, stator and cdi from the 150? Did it make much difference over the 200 stuff? What gearbox you running? And sprocket? Cheers Paul
mountain106 12/16/2020 3:16pm
12/16/2020 3:16pm
Paul1989 wrote:
Cheers mate, frames away getting powder coated, did you use flywheel, stator and cdi from the 150? Did it make much difference over the 200 stuff...
Cheers mate, frames away getting powder coated, did you use flywheel, stator and cdi from the 150? Did it make much difference over the 200 stuff? What gearbox you running? And sprocket? Cheers Paul
No I only used the cdi. Just had to trace what wires were going where and spliced it in using custom ip rated electrical male/female plugs. I extended the wiring then so I now have the cdi and hour meter located in the battery holder tray in the air box. I will take pictures and post here.
I’m running a 200sx Pv govner/actuator. And I have a 125sxs 5 speed gearbox fitted. So I think there is a longer/wider 2 and 3 gearing.
I’m running a 14 front sprocket and I think 46/47 rear. It is a great bike on motocross tracks. Easier to ride then the 250 2 stroke.
mountain106 12/17/2020 1:02am
12/17/2020 1:02am
Got a great deal on these xtrigs during lockdown.
Must get around to fitting them.
Has any one any info on the Mxtech lucky carbons compared to kyb inserts.
Thank you


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Paul1989
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Paul1989 12/17/2020 1:56pm
12/17/2020 1:56pm
Paul1989 wrote:
Cheers mate, frames away getting powder coated, did you use flywheel, stator and cdi from the 150? Did it make much difference over the 200 stuff...
Cheers mate, frames away getting powder coated, did you use flywheel, stator and cdi from the 150? Did it make much difference over the 200 stuff? What gearbox you running? And sprocket? Cheers Paul
mountain106 wrote:
No I only used the cdi. Just had to trace what wires were going where and spliced it in using custom ip rated electrical male/female plugs...
No I only used the cdi. Just had to trace what wires were going where and spliced it in using custom ip rated electrical male/female plugs. I extended the wiring then so I now have the cdi and hour meter located in the battery holder tray in the air box. I will take pictures and post here.
I’m running a 200sx Pv govner/actuator. And I have a 125sxs 5 speed gearbox fitted. So I think there is a longer/wider 2 and 3 gearing.
I’m running a 14 front sprocket and I think 46/47 rear. It is a great bike on motocross tracks. Easier to ride then the 250 2 stroke.
Here’s where I’m upto,
Just fitted cc forks and done away with horrid air forks, dep front pipe, boyesen rad valve, 38mm short body carb, sx150 cdi. Now my biggest problem is I’ve sent the barrel to langcourts for a replate and DHL have lost it!!! Nightmare anyone have a barrel they want to sell??



2
mountain106 12/17/2020 3:12pm
12/17/2020 3:12pm
Paul1989 wrote:
Here’s where I’m upto, Just fitted cc forks and done away with horrid air forks, dep front pipe, boyesen rad valve, 38mm short body carb, sx150...
Here’s where I’m upto,
Just fitted cc forks and done away with horrid air forks, dep front pipe, boyesen rad valve, 38mm short body carb, sx150 cdi. Now my biggest problem is I’ve sent the barrel to langcourts for a replate and DHL have lost it!!! Nightmare anyone have a barrel they want to sell??



You have a fantastic job done on that paul. I’ll keep a eye out to see if I hear of a barrel around. You running a sx right rad? The 250sxf one will work as well.
mountain106 12/17/2020 3:13pm
12/17/2020 3:13pm
The grey male/female plugs are what I’m using.
Makes taking off the subframe a lot easier.


Paul1989
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Paul1989 12/19/2020 12:30am
12/19/2020 12:30am
mountain106 wrote:
The grey male/female plugs are what I’m using. Makes taking off the subframe a lot easier. [img]https://p.vitalmx.com/photos/forums/2020/12/17/466408/s1200_64973012_8C02_40F9_81F2_1806282687B8.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2020/12/17/466409/s1200_F31D9029_E439_4E7A_B8A7_DC16C74B10AB.jpg[/img]
The grey male/female plugs are what I’m using.
Makes taking off the subframe a lot easier.


Here’s where I’ve mounted mine. Stock loom is perfect length. Barrel has turned up at langcourts, just a waiting game now. I also just altered the standard 450 rad, machined up a hose tail in the lathe and welded it on, cut and repositioned the original hose tail.

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Ktm life
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Ktm life 12/21/2020 2:37pm
12/21/2020 2:37pm
What carb are you guys running?
Paul1989
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Paul1989 12/22/2020 1:52am
12/22/2020 1:52am
Ktm life wrote:
What carb are you guys running?
38mm keihin short body
Ktm life
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Ktm life 12/22/2020 7:23am
12/22/2020 7:23am
Ktm life wrote:
What carb are you guys running?
Paul1989 wrote:
38mm keihin short body
Have you guys tried the 39mm? Is it just junk? I have a 38mm off of a 150sx, just trying to decide which is better

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mountain106 12/26/2020 3:06pm
12/26/2020 3:06pm
Running the 38mm as well. Never had a problem with it.
Mark Nelson
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Mark Nelson 3/29/2021 6:29pm
3/29/2021 6:29pm
Tell me you made extra sets fo head stays! ???
jeffro667
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jeffro667 3/30/2021 4:06am
3/30/2021 4:06am
Carl.D wrote:
I just started the same build....
I sent you a pm with a couple questions.
Mark Nelson
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Mark Nelson 3/31/2021 7:50am
3/31/2021 7:50am
I have two key questions for anyone that has completed the 200 conversion , #1 what are the sizes of the rear swingers spacers? #2 Can you share the templates for the head stays? With these two things the lower mounts are a snap.
mountain106 4/2/2021 12:02pm
4/2/2021 12:02pm
Mark Nelson wrote:
I have two key questions for anyone that has completed the 200 conversion , #1 what are the sizes of the rear swingers spacers? #2 Can...
I have two key questions for anyone that has completed the 200 conversion , #1 what are the sizes of the rear swingers spacers? #2 Can you share the templates for the head stays? With these two things the lower mounts are a snap.
Hi. The spacers are very simple. Place your engine in the chassis. Then line up your front and rear sprockets and measure each side. Between swingarm and engine cases.
The head stays are different story they will depend how you have the engine mounted on the lower mounts.
Mark Nelson
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Mark Nelson 4/2/2021 6:55pm
4/2/2021 6:55pm
Yes but if we already have working head stays and the know width of the spacers, they will give us the exact placement for the lower mounts. Sharing templates would be helpful.
mountain106 4/3/2021 12:28am
4/3/2021 12:28am
Mark Nelson wrote:
Yes but if we already have working head stays and the know width of the spacers, they will give us the exact placement for the lower...
Yes but if we already have working head stays and the know width of the spacers, they will give us the exact placement for the lower mounts. Sharing templates would be helpful.
Unless you are working with a new engine/ new chassis templates are pretty useless. Every used chassis/ engine will have wear. What year engine? What model bike/ rolling chassis are you working with?
Mark Nelson
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Mark Nelson 4/3/2021 6:50pm
4/3/2021 6:50pm
I'm working with a 2021 chassis and a 2008 motor.
3
mountain106 4/4/2021 4:19am
4/4/2021 4:19am Edited Date/Time 4/4/2021 9:15am
Mark Nelson wrote:
I'm working with a 2021 chassis and a 2008 motor. [img]https://p.vitalmx.com/photos/forums/2021/04/03/486283/s1200_63898848323_28B999DC_32FD_479F_9803_4828C5022CC1.jpg[/img]
I'm working with a 2021 chassis and a 2008 motor.
Hi Mark
That will be a nice bike when finished. Have you tried fitting the motor in the chassis? It might be a tight fit. That looks from the picture as a 125 chassis. A tip for the head stays is make them from cardboard first. And when your happy with the bends and shape. Make them fully.
Mark Nelson
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Mark Nelson 4/4/2021 9:49pm
4/4/2021 9:49pm
Yes the cardboard idea is good, think I will insert pipe cleaners in the corrugated ridges to hold the shape. I've done a couple fittings and motor fitment looks good.
ktm300hater
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ktm300hater 5/7/2021 7:50am
5/7/2021 7:50am
I just bought this pristine 200sx and now I may have a chassis for sale and be in the lookout for a 19 up 😎
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PTshox
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PTshox 5/7/2021 6:32pm
5/7/2021 6:32pm
Pray that rear suspension doesn't kill you someday!
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