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I’d run the highest octane possible. 110 is great if availivble newer ktm’s wont run on less then 95 Klotz is is the best oil ever in my option and premix depends on the bike and year 40/1-60/1

I own a 2017 KTM 250sx and run 111 octain fuel at 60:1 with klotz oil. It's purple fuel and on its own separate pump so your not getting it mixed with other octain. The bike runs great no problems yet. 6.16 a gallon but it smells great. Lol Had a kx250 throw a rod on me and I was...

I bought a new 2017 250sx with the AER 48s I like the forks but after 20 hours they started leaking oil. I ran 148psi as recommended but did bottom them out a few times. I weigh 165 + gear. Does anyone have any suggestions on what I should do with them? Revalue or maybe more air pressure so this...