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Thread: 250sx, what year model?

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    Default 250sx, what year model?

    Hello all. Son is currently on a 19 TC125.

    He has rode several 250sxf and really seems to like it. He races xc but does not like the xc 2 strokes that he has ridden, including a 2020.

    We are selling his super mini soon and I was planning on going with a 150sx to go with his 125. But now find myself looking at 250f's because he keeps going on and on about how smooth and planted the 250sxf is.

    I have seen a couple nice looking bikes with real low hours from year model '16 to '18's few 19's.

    I know there have been several changes within these years. Can someone share their knowledge of which years give the most advantages, mechanical longevity and or better handling. Any years to a steer clear of?

    We have ARE forks and are not a huge fan, so older forks is not a draw back for us. Weight and performance may be more important.

    If we go to a 250f, we will likely use it for a practice bike for a little while to see how he likes it. Will do a couple 2 hour races. If it is an improvement to him, his times stay competitive with the guys he has been racing against and can push hard longer, we will likely get a new 2020 for race only(maybe a xcf for the woods suspension). So I'm concerned about switching back and forth between old and new bikes handling wise?

    Thanks for your thoughts.

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    Default Re: 250sx, what year model?

    Honestly, it sounds like the 250 4-stroke suits him the best. May I suggest a 250 XC-f if you can find one as it is already setup for offroad racing. Converting an SX is not that big of a deal though and you can find some for pretty cheap sometimes. Suspension should still be pretty aggressive on the XC-f unlike the 250 EXC which would be quite soft.

    As for the AER forks, I don't like them either for offroad (they're fine for MX though). Not many people know this but WP makes a spring conversion kit for the AER forks and it's only like $500. I converted mine and they are as good or better than the KYB converted forks I had on my previous bike so do don't let that stop you; you still have options.
    Last edited by motogp1gprix1; 10-09-2019 at 07:29 PM.

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    Default Re: 250sx, what year model?

    Motogp1, thanks for the info. I was not aware of the spring conversion, I will look into that. Finding an xcf around here is rare, a W is not an option, I have put him on several and for what ever reason, he would rather keep his 125sx. I would be fighting mad if I had to ride a sx in the woods, he has been doing it for going on 4 years now.

    My concern is if there were big changes of corrections made from 16 to 19 year models. I have found several low hour bikes (all sx models). I think on the 2 stroke models they had issues in 18 with a bearing or something to do with the kick starter. I think there was a good hp gain on the newer 250f's but not sure what year the leap was made of if it is really worth considering? I'm not sure when the sx bikes went to AER forks?

    My son is 14, just moved up form the super mini. He ran a short summer series just for practice to get ready for our preferred long winter series. I thought I would have a year or maybe 2 before we would be looking for a different bike, was hoping to upgrade the 125 to 150. He has only ran 2 races in our series. He has grown into the 125 so quick and at 5' 10" and 180 lbs of muscle, he may actually be wanting a better choice for his riding style.

    Any way, if there are not big draw backs form 16 to 19, we may be taking our chances with a used 250sxf, which is pretty scary buying a used sxf bike. There are several with 7 to 40 hours in the upper 4 to mid 5k range in our area.

    Thanks guys.

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    Default Re: 250sx, what year model?

    Here are some of the bigger model changes: KTM introduced new frame and upgraded the 250F engine (more power!) in 2016, AER forks started in 2017 on XC, SXF, XCF models. In 2017 KTM introduced the counter balanced 2T engine and new frame, then in 2018 KTM revised the engine cases on 2T bikes to strengthen the kick starter mechanism.

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    Default Re: 250sx, what year model?

    lower hours the better, but pay attention to condition too. Any 16-current 250xcf/sxf is great. i'd avoid the 4cs forks on 16 unless someone spent a lot to make em good. there really isn't anything in particular that made the 17-18-19 way better, unless you want the air forks, and listen. 4lbs LESS than the 4cs is something you REALLY feel.

    I have a 16 350xcf, two 18 250'xcfs, and just picked up new 2019 250xcf. THe 350 is insane power for woods racing IMO if you are really wanting to push the entire race or close to it. 250f's just don't seem to wear me out as much and are more confidence inspiring. Agree that you see way more sxf's for sale than xcf's
    I have a friend selling TWO 2018 250's here in FL, one is xcf, one is sxf, both are 290 big bore conversions. Full rekluse core cx, bikes are low hour. offroad only, no mx tracks. he rode the new 300 Beta and want's that. I think he's askin between mid $6k and 7k
    FTR harescrambles SrA #9, CCS roadracing #1 plate holder for 2017 and 2018
    2019 ktm 250xcf, 2018 250 ktm xcf (2 of them) , 2016 ktm 350xcf, 2014 ktm 350 xcf
    pair of wicked yamaha r6 road race bikes
    https://www.facebook.com/greg.melka.1

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    Default Re: 250sx, what year model?

    There are negatives to the '16 SX-F 250. The first is the 4CS forks (Dal Saggio Ray kit is a good fix) and there were some transmission issues that were not resolved until MY 2017. We replaced broken gears in my son's 2016 bike, a very expensive process, and not a warranty item. He's owned two 2018 250 sx-f, great bike! I believe the internal fork cartridge seals were improved in '18 as well. Would not hesitate to buy another 2018.

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    KTMTalk Member melk-man's Avatar
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    Default Re: 250sx, what year model?

    Quote Originally Posted by ktm-don View Post
    There are negatives to the '16 SX-F 250. The first is the 4CS forks (Dal Saggio Ray kit is a good fix) and there were some transmission issues that were not resolved until MY 2017. We replaced broken gears in my son's 2016 bike, a very expensive process, and not a warranty item. He's owned two 2018 250 sx-f, great bike! I believe the internal fork cartridge seals were improved in '18 as well. Would not hesitate to buy another 2018.
    yup. 17 and 18 were very similar. Internal aer seal can be easily upgraded to the 18+ seal at first service. The aer fork even stock, is far superior to the 4cs fork .. both can be made better, but if nothing has been done to them, stock to stock, the aer is way better. (imo)
    FTR harescrambles SrA #9, CCS roadracing #1 plate holder for 2017 and 2018
    2019 ktm 250xcf, 2018 250 ktm xcf (2 of them) , 2016 ktm 350xcf, 2014 ktm 350 xcf
    pair of wicked yamaha r6 road race bikes
    https://www.facebook.com/greg.melka.1

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