New 2020 KTM 150SX bolt on stuff- not really a “build”

BToz
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BToz
Edited Date/Time 10/27/2021 5:43pm
Bought a new 150sx about 2 months ago and started ordering parts based on forum members recommendations/mods. Took this long to get everything (RM backorders) then I slapped it all on Sunday morning. FMF turbine core and fatty, RK Tek insert, V-force reeds, carb mods + jetting, chain, sprocket, bars & controls etc. PS I’m not a bike mechanic but the parts/ and bike was pretty easy to work on.

Not able to upload photos?! ..sorry will try to add later
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BToz
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BToz 7/14/2020 11:32am
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BToz
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BToz 7/14/2020 11:33am
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BToz
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BToz
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BToz 7/14/2020 11:37am
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The Shop

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BToz
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BToz 7/14/2020 11:38am
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BToz
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BToz 7/14/2020 11:40am
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BToz
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BToz 7/14/2020 11:43am
7/14/2020 11:43am
And my favorite part: fmf exhaust.





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BToz
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BToz 7/14/2020 11:45am
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BToz
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BToz 7/14/2020 11:47am
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BToz
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BToz 7/14/2020 11:52am
7/14/2020 11:52am
All done *except for jetting.













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BToz
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BToz 7/14/2020 11:57am
7/14/2020 11:57am
Bike ran crapē. Jetting ap:

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BToz
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BToz 7/14/2020 12:01pm
7/14/2020 12:01pm
Ended up with needle in #1 (top) position, 480 MJ, 2.0 turns out on air screw, 32.5 IJ. 2600-3200 feet 80 degrees 15-20% humidity and mix 50/50 110 race gas and non ethanol 91. Motul 800 at 40:1.
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Rickyisms 7/14/2020 12:06pm
7/14/2020 12:06pm
Why the turbine core over the shorty?
BToz
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BToz 7/14/2020 5:32pm
7/14/2020 5:32pm
Rickyisms wrote:
Why the turbine core over the shorty?
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek head. The other stuff probably wasn’t worth the money or the time to put it on (fmf.. always have fit issues).
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smv ryder
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smv ryder 7/14/2020 9:20pm
7/14/2020 9:20pm
Awesome work!
BToz
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BToz 7/15/2020 5:40am
7/15/2020 5:40am
smv ryder wrote:
Awesome work!
Thanks! I bet a guy (with experience) could’ve got it all done in 3+/- hrs. Fmf pipe took me 3 hrs.
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Rickyisms 7/15/2020 6:22pm
7/15/2020 6:22pm
Rickyisms wrote:
Why the turbine core over the shorty?
BToz wrote:
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek...
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek head. The other stuff probably wasn’t worth the money or the time to put it on (fmf.. always have fit issues).
That’s crazy on the FMF fitment. I’ve always been a PC guy and never had issues there.
BToz
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BToz 7/15/2020 8:31pm
7/15/2020 8:31pm
Rickyisms wrote:
Why the turbine core over the shorty?
BToz wrote:
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek...
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek head. The other stuff probably wasn’t worth the money or the time to put it on (fmf.. always have fit issues).
Rickyisms wrote:
That’s crazy on the FMF fitment. I’ve always been a PC guy and never had issues there.
Only had 1 pc pipe on a 2006 rm250 and it did go on without a problem.

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chasestevenson599 7/16/2020 7:33am
7/16/2020 7:33am
Rickyisms wrote:
Why the turbine core over the shorty?
BToz wrote:
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek...
Turbine core is just to be legal on trails. Realistically the bike didn’t need anything but jetting (which came with the bike) and the RK tek head. The other stuff probably wasn’t worth the money or the time to put it on (fmf.. always have fit issues).
Rickyisms wrote:
That’s crazy on the FMF fitment. I’ve always been a PC guy and never had issues there.
I've had 3 sets of FMF systems for my 2019 KTM 150 and never had a single issue. 3 hours seems a bit extreme to put on a pipe and silencer.
BToz
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BToz 7/16/2020 12:24pm
7/16/2020 12:24pm
I should have taken pictures. The fat part of the pipe on the inside was pressing the radiator hose against the frame and the top mount where it bolts to the motor mount was 1/4 inch away and so the head pipe was also 1/4 inch away from the cylinder. The silencer didn’t come with rubber grommets (thicker rear would’ve been nice) and the mounting holes are in a straight line, the ktm factory silencer mounting holes are offset which left a decent gap at the rear mount. I thought I might have the wrong bike entered in RM when I ordered parts or got ones for a different bike but everything checked out.
BToz
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BToz 7/16/2020 6:21pm
7/16/2020 6:21pm
Fmf silencer.





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BToz
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BToz 7/16/2020 6:24pm
7/16/2020 6:24pm
Fmf fatty.





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Rickyisms 7/17/2020 10:42am
7/17/2020 10:42am
I would contact FMF about that.
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BToz
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BToz 7/17/2020 6:33pm
7/17/2020 6:33pm
Rickyisms wrote:
I would contact FMF about that.
I’ll give it a shot and see what they say!
#76
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#76 7/18/2020 11:52am
7/18/2020 11:52am
......I would have before I hit it with a hammer Laughing
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BToz
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BToz 7/18/2020 8:00pm
7/18/2020 8:00pm
#76 wrote:
......I would have before I hit it with a hammer Laughing
I waited 2 months to get all the parts so I figured Fkit I’m not returning anything and waiting longer. If I screw it up then I’ll just smash it all to hell and hang it on the garage wall and make up some lie about a gnarly crash. Plus I still had the stock one.
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Chance1216
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Chance1216 7/19/2020 12:02am
7/19/2020 12:02am
BToz wrote:
I waited 2 months to get all the parts so I figured Fkit I’m not returning anything and waiting longer. If I screw it up then...
I waited 2 months to get all the parts so I figured Fkit I’m not returning anything and waiting longer. If I screw it up then I’ll just smash it all to hell and hang it on the garage wall and make up some lie about a gnarly crash. Plus I still had the stock one.
My sons 04 CR 125 had the same issues with the FMF pipe. I had to dent the hell out of it cause it was lying on the radiator hose.
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pizza4breakfast 7/28/2020 7:41am
7/28/2020 7:41am
don't call FMF. that is 100% how they make every single one.
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BToz
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BToz 7/28/2020 6:53pm
7/28/2020 6:53pm
pizza4breakfast wrote:
don't call FMF. that is 100% how they make every single one.
Lol. I did email them 3 times. They don’t let you send pictures to them by email so on the 3rd email I asked who I could send pictures to. That was around 10 days ago and haven’t heard anything back, not really surprised.
alien
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alien 7/29/2020 8:37am
7/29/2020 8:37am
I had the same problem with a yz125 shorty silencer not lining up. I would have had to bend it in a vise to get the mounting tab to bolt up. I called and got a guy in the back at FMF and explained the situation and he seemed to suggest I did not know what I was doing. I sent the FMF back and bought a pro circuit and it bolted right up,no issues.

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