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b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
8/26/2025 5:53am I actually moved back to Indiana! Okay great I have the air screw correct. I am at average 65-80F currently and 500-1100ft elevation. I am using Sunoco 110 with Amsoil Dominator mixed at 50-1. I know the float needle works freely, but I have not measured float height yet. I bet it is set too high. I will check it...
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b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
8/25/2025 8:28am 2022 KTM 250sx with the first setting mentioned. Is the air screw 1.5-2.0 out from all the way in? And why would fuel leak from the vent hose on the bottom of the bowl? Also, I have the 32.5 pilot in and did some trail riding this weekend. Maybe sounded a touch lean on the bottom it would ping up...
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/16/2024 11:49am Ran c12 through it and the thing ran like a raped ape hahahaa. Avgas was the culprit for me. RIP my wallet now
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/16/2024 8:06am I’m still having the bog, it’s in the top end, PV at 1.75 in from all the way out, Air screw about 1.5. Is it possible I have a cracked reed? That’s all I can think as of now.
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/15/2024 12:31pm Good deal, I just moved mine to position 3 and i am testing tomorrow! Will also try to mix more oil and see how she likes it.
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/7/2024 10:40am Hey alright, are you running the standard 304 then? And what is your thought on the slight bog i am experiencing? Switched to a 35 pilot and im testing this weekend. running the 100LL @ 50:1 amsoil dominator.
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/7/2024 9:20am Dang alright I will definitely give it a go then! So, the specs I am currently running, with a 35 pilot, should be sufficient for the Motul 800 @ 38:1 correct? Was there anything else you did to the 250?
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/7/2024 7:51am Okay good deal man. is it a myth that more oil will create less power? I will try your ratio and oil for my next jug and see how she likes it. I definitely want the FMF system, will be getting soon. Would it be a possibility i was getting a lean bog with that 32.5 pilot? I never got...
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/6/2024 11:08am Okay I will give it a try. Why did you run motul 800 at 38:1? Out of curiosity, what pipe setup are you using and which color PV spring did you use?
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/5/2024 10:55am Would I need to mix it richer then with the 100LL? I will try the 35 pilot, I am here in FL so temps are around 70-80 at current. Riding Redbull day in the dirt this weekend so I will test it then! Appreciate it man!
b_schap Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
3/5/2024 6:50am Whats up guys. Needing a little help here with my 2022 KTM 250sx. In 2nd and into 3rd gear only, my bike has a weird bog and seems to only happen right after the mid-range when the powerband starts to kick in. I am running the setup below. I have the stock expansion chamber with the r304 shorty. I run...
b_schap Started a new thread 2022 ktm 250sx jetting/fuel
9/19/2023 12:26pm Hey what's going on guys. Just picked up a 22' ktm 250sx with only 20 hours on it. Just wanting to know what jetting settings I should be running. I live in Florida, will be running 91 ethanol free fuel, and whatever oil you guys recommend for the premix. Also, which ratio is recommended for this type of fuel?
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suspensionguy Liked a reply to forum topic 2022 ktm 250sx jetting/fuel
9/19/2023 12:16pm
Lots of info here - https://www.vitalmx.com/forums/Tech-Help-Race-Shop,42/KTM-HUS-125-150-2…
This forum topic has 1 reply.