Maintenance & Technical > KX500 Original

power wing or similar

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kiwimonster:
does anyone know if any company makes a power wing or x wing for the k5 and if so has anyone tied one.

KXcam22:
I believe powernow makes one.  Same PKW39 carb as the KTM300 as well.  There are also a few member who have built their own.  I am going to build one for my 450 over the winter. Cam.

kiwimonster:
cheers cam will check em out maybe stewart could make em to sell to us mortals lol

jfabmotorsports.com:
A buddy of mine has the Powernow on his CR450 and says it does work. Even the seat of the pants knows, however deceiving that might be!  :|  JFAB

Albertan:
I have a Power Now on my KX500 (same part as for KTM 125SX, since it also uses a Keihin PWK 39mm carb).  I think it is worthwhile; it doesn't change peak power at all, but the bike is more crisp at partial throttle openings, and feels "snappier".  And that was with proper jetting before installing the Power Now, plug readings showing that jetting was ballpark.

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