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MCB Stage-2 Engine Rebuild Kit KTM 125 SX 2016-2023 Wossner Crankshaft CS2070

Premium Engine Rebuild Rotating Kit, Crankshaft, Piston, and Gaskets

MCB Exclusive STAGE-2 rebuild Kit for KTM 125 SX 2016-2023
- Premium German engineered Wossner crankshaft.
- Forged and Shot Peened connecting rod.
- Slightly lighter weight than OEM with improved strengthened connecting rod and overall durability.
- Bushed wrist pin end with additional oil grooves.
- Premium lower end connecting rod roller bearing.
- All OEM KTM main crank bearings
- Premium German Forged Wossner piston
- Full engine gasket set.
- The crankshaft & piston included in this kit are of better quality than the OEM KTM parts and is exactly what we would use if we were building our own KTM!

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Pricing: $759.95


Kit inlcudes
- Premium forged, shot peened Wossner crankshaft assembly (these cranks are premium quality, we feel they are better than OEM)
- OEM KTM main crank bearings
- Premium forged Wossner piston.
- Premium full engine gasket set.
MCB uses Wössner pistons exclusively in all our MX/Off road kits. Germany's finest aftermarket forged piston manufacturer with over 25 years of experience in the Powersports / racing industry.

Wössner is currently the piston of choice for Monster Energy Star Yamaha Racing Team.

Wossner crankshafts use only premium forgings, trued and balanced crankshaft with premium OEM bearings.


  • 23431111
  • 23431111
  • KTM
  • New

Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.
  • W10.0000” x H12.0000” x L18.0000”

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