The HW-23A was homologated for the period 2013-2015 and in this time it has achieved victory in many CIK-FIA, WSK and National Championship events. It is fitted with the unique Tillotson Enrichment Circuit to provide the advantage over the rival competitors.

  • Butterfly Opening
  • Racing Class Venturi/Body Design
  • Racing Class Inlet Needle and Seat Design
  • Racing Class Acceleration Fuel Circuit Design

Repair Kit and Diaphragm Gasket for the carburetor:

Main: RK 1 HW and DG 1 HW

Optional: RK 2 HW and DG 2 HW

Weight1 kg
Venturi Diameter


Throttle Bore Diameter


Racing Class

Product Line


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