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Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
11/3/2019 8:36am These are my current carb specs. bike runs clean and crisp and pulls hard throughout the entire range ...more 42-74 needle 2nd clip S4 needle jet Slide 5.0 MJ: 490 PJ: 37.5 Air screw 2 turns out
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Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/26/2019 8:50am Probably also worth mentioning that I have swapped the stock Power Valve spring for the yellow spring and currently have the power valve screw 1.5 turns in
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/20/2019 11:48pm 42-74 needle 2nd clip S4 needle jet Slide 5.0 MJ: 490 PJ: 37.5 Air screw 2 turns out
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/20/2019 9:34am So I took the bike to the track today for the first time I'm since rejecting to your specs. As I said previously 32.5 pilot was too small and would bog when I pull the throttle quickly. I went straight to the 37.5 pilot instead of the 35 as I didn't really want to have to reject at the track...
Jayklash Started a new thread Octane booster
10/17/2019 8:18am Has anybody ever used VP octane booster before? If so so did you give good results or is it not worth using? https://www.demon-tweeks.com/vp-racing-madditive-octanium-petrol-octane…
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Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/16/2019 11:22am The specs are for KTM SX 150 17 +. I also have the 2018 model. Does the fuel you use make a difference to jetting? I am in the UK and use shell v Power which is 99 octane
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/14/2019 1:53am Ok I'll give it a try.
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/13/2019 12:53am Ok so I bumped the pilot jet up to 35 and went in half a turn on the air screw. Gave the bike a quick rev on the stand as I cannot run the bike properly where I live in a block of flats 🙄. Hard to tell if the bog has completely gone away as the bike was nowhere...
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/12/2019 8:22am Can anyone help? Need to get this bike dialled this weekend
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/12/2019 7:00am So I just tested the bike for the first time and something isn't quite right. It bogs when I pull the throttle back quickly any ideas? I didn't change the float height could it need a bigger pilot?
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/11/2019 2:01pm I am in the UK and temperatures are currently around 13'c so might need to go on the 3rd clip
Jayklash Added a reply to 125/150/250/300 KTM/HUS/GG jetting thread
10/11/2019 7:16am Ok so second attempt at removing the needle jet. This time it came out very easy now that I was pushing it out from the right end😪 I have put the carb back on the bike and have given it a quick start but haven't ran it yet as I can't where I live. You said to start out on...
Jayklash Added a reply to How to remove needle jet on mikuni carb 2018 KTM SX 150
10/8/2019 2:36pm Thanks man. Just found a carb from the 2017 model for a good price. It has the same part number as the 2018 so should be fine I think
Jayklash Added a reply to How to remove needle jet on mikuni carb 2018 KTM SX 150
10/8/2019 2:24pm The only video I could find on how to remove it was on an older mikuni carb. In the video the jet was pushed out upwards through where the throttle slide would go. I have just found a video on the new mikuni carb and the Jet is pushed out down through the float bowl this would explain why I...
Jayklash Added a reply to How to remove needle jet on mikuni carb 2018 KTM SX 150
10/8/2019 12:48pm Needle jet would not come out no matter what I did I'm pretty sure I have damaged the carb now 😥
Jayklash Added a reply to 2018 KTM SX 150 gearing
10/8/2019 10:29am Are you running 14 / 50 ? If so how do you find it compared to stock gearing question mark
Jayklash Added a reply to How to remove needle jet on mikuni carb 2018 KTM SX 150
10/8/2019 10:28am So I do not need to remove the saddle as in the video below?
Jayklash Added a reply to 2018 KTM SX 150 gearing
10/7/2019 11:29pm Thank you for the information also will I 14 tooth front sprocket fit on a 2018 SX 150 or will it require Changing the Guard or cutting some of it away question mark
Jayklash Added a reply to 2018 KTM SX 150 gearing
10/7/2019 2:04pm So just to clarify that adding teeth to the rear would mean shifting a lot more?
AJ565 Liked a reply to forum topic 2018 KTM SX 150 gearing
10/7/2019 2:03pm
I've ridden one an added tooth or two to the rear and you're always shifting. ALWAYS! I felt like if anything stock gearing or dropping a tooth in the rear would have been better than having to down shift 2-3 gears going into a corner. Adding teeth front or rear or both will take away top end speed and give more low end pulling power, but will also shorten how long you can pull each gear.
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