I've recent picked an 07 klx 250 after not having a bike for quite a few years. I'm loving getting back into the groove and the previous owners appear to have most of the mods I would have done (DG exhaust, jetted, opened up intake) so that's nice. From cruising the forums I see there's a few more things to check out, like the cam tensioner mod and such. I'm wondering if anyone has any experience running leaded gas in these, as I happen to have a supply of free 100LL avgas I can use. I'm not too worried about it given its carbureted and there's nothing to foul downstream in the exhaust but I'm curious if anyone much smarter then me with these has input on the matter.
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