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had this one on my Ktm for the last two years you can get them on eBay for a couple of dollars thay are road bike fork pre lode adjusters

I have the powercore 2 and stock 150 muffler thay are the same length 13.5 inches long the Fmf is a bit lighter I think the pipe is just making the difference the bottom end felt the same mid to top pulls longer . But the jetting will play a big part in the way it feels to I got...

The red , yellow, and green power valve springs from the 250 and 300’s will go in the 125/150 i’m Testing the red spring at the moment

Hi I have a 17 150sx have spent a lot of time setting it up the best place to start with your motor / card set up is the head the squish band needs adjusting and put the F1 moto performance power valve arms in to stop the power valve from jamming. The FMF pipe with powercore 2 or stock...