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That’s what’s known as a “Facebook Marketplace big bore”… “It’s a 250, bored out to a 255”…aka, “I blew it up and bored it using a harbor freight drill press and a hole saw…so I’m going to tout is as a hop-up for a quick sale”…

My 2018 250sx with jetting and a PC pipe/silencer made almost 52hp on the dyno. KTM changed something in 2020 and those engines made a little more power, but I think it was only 1 or 2 more.

I made this out of a scrap piece of aluminum. Adjustable with the bolt. Does everyone agree that this is a good method to measure?

Interesting and makes me wonder if they have someone from overseas they want to bring in to fill that post. I have some experience with these kind of “work skill” visas and generally what happens is they tailor the job requirements so specifically that virtually no US citizens/permanent residents apply and of those that do apply the company can easily give reasons why those applicants don’t qualify for the position, then the overseas person they want to bring in is able to acquire the skilled visa - because the company can show they’re the only person qualified to fill that...

Just finished, fired up first kick…the 5.4 shock springs is too stiff, can’t get correct sag #”s… I”ll ride it a few times to check the jetting and gearing, then send shock off to FC for a proper setup….

When I had my 22 350 and talked to Powerband about the suspension because I sent my cone valves to him for a refresh and maybe a revalve. I told him I hated the AER forks on the 350 because of no front feel or traction, but when I put them on my 250sx they were just as good if not better than the cone valves and he told me that for some reason KTM has different valving for the 350 than the rest of the SXF line. Now I'm not sure about the 24+ stuff, but maybe they did...

Well he is 5y old, SX is way too big for him, also don't want to scare him with the speed yet. It's not like he is jumping big, but even those small jumps sound harsh. I guess he'll be moving up next year, hopefully before the PW is fully destroyed.

Update: So got the pro circuit platinum pipe on with the r304 shorty I had from earlier. Took a few kicks tk start (probably needs air screw adjusted) and fired up. Warmed the bike up and took it for a few pulls. I definitely did notice some more topend pulling, before when the bike would overev it would sort of push you forward a bit as the power fell off quick. Now I dont feel that as much and it just feels better up top. Running the exact same jetting as stock, 510 main, clip 2 42-74 needle, 32.5 pilot...