@calum said in Derestricting 97 DT125r:
@sloanparkes Sounds like the powervalve isn't set up to me.
Ya well I've moved it back the other way... but it doesn't reg above 65000 in 5th and still sat at 60mph ish I'm so sure it's restricted...
And ya @NINJA it was right at the bottom and my toolbar on my phone was covering it saying 97 to 99 cheers dude
2strokes in general is jetted plenty rich, to make sure they dont seize.
I run my 94 R with snorkel removed, and the airbox opened slightly more.
Stock mainjet, and half a notch leaner on the needle. The mainjet is still plenty rich.
Stock header, and aftermarked end can, otherwise stock.
You shouldn't be polishing either really,
but here is a used MITAKA vs a New WOSSNER to illustrate. Carbon does help to a point. The Wossner is a CNC finish, but if your hunting power there wont be any difference.
Problem with forged is the difference in thermal expansion to a cast alloy. MITAKA is a good choice for the DT.
Smooth yes, but a rough surface lends itself to optimising fuel atomisation, that is more important.
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