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Honda rs125 – ready to race!


Honda rs125 Swingarm


PAX Powerjet Carburetor





Contact Joe for info:



All items located in Chicago IL


Prices are somewhat negotiable, but please don’t insult me.



Honda rs125r


This bike is FAST, and best of all, COMPLETELY READY TO RACE.  Put some new tires on, gas it and go! 



  • 1995 frame
  • 1996 suspension and swingarm
  • 2000 engine



  • FRESHLY REBUILT WITH 0 HOURS (will need break-in)
  • Matched, stuffed cases
  • Matched and slightly ported cylinder
  • VHM cylinder head with leaded and unleaded inserts from 10.00cc - 10.80cc
  • Talon billet clutch basket
  • Modified exhaust manifold (o-ring style)
  • Detonation counter
  • Full jetting (including leaded and unleaded needles. currently set up for leaded fuel)
  • 1997 exhaust pipe, carbon silencer



  • Radial brake lever/master cylinder (one finger stoppies!!)
  • Marchesini wheels
  • Sebimoto carbon-kevlar seat, fairings and airbox (side scoop style, only throttle cable runs through it)
  • Battle Factory semi-automatic upshifter
  • Stiffer rear spring, and valved front suspension; set up for 160lb rider
  • Frame sliders
  • Rear wheel hugger



  • Stock wheels with rain tires mounted
  • Tire warmers
  • Front and rear stands
  • Manual
  • Supplementary Manual (on CD)
  • Jetting notes, and extra tuning info
  • Misc spares (including crash spares)
  • Full set of external gearing
  • Short internal 1st gear


No tools included


The fairings show some wear as they've been on the bike for a couple years, but have never been down. Paint on the marchesini rims is worn out/flaked.


Bike Pic 1

Bike Pic 2

Bike Pic 3

Bike Pic 4


Price: $6,200.00


Note: Price does NOT include shipping.




Honda rs125 Swingarm


  • Welds had cracked where cast section meets aluminum arms.  Aligned and repaired by Kevin Murray of MCE Racing
  • Aluminum arms show surface grinding marks, but it’s the same as a brand new swingarm!
  • Comes with pivot bearings & spacers, shock bearing & seals, chain sliders and chain adjusters.  Ready to bolt on.


Swingarm Pic


Price: $350.00 + shipping



PAX Powerjet Carburetor


  • Came off a Honda rs125
  • Comes with misc wiring, including controller module


NOTE:  The carb physically works, but I personally have never hooked it up.  It was working when it was removed from the last bike it was on, but I can’t guarantee the functionality of the electronics.  It will work as a standard carb without using powerjet.


PAX Carb Pic


Price: $550.00 (includes shipping to anywhere in continental US)