DIO 50 Cylinder Kit 44mm


Iron Built. Sized to Spec.

Designed for the Honda DIO AF17, AF18, AF27, and AF28 engine, this cast iron cylinder kit is precision-machined to a 44mm inner bore diameter with an outer sleeve diameter of 54.5±0.2mm and a cylinder height of 62.5mm. The cast iron cylinder body provides a durable bore surface for stable engine operation. All components are supplied together for a complete cylinder assembly replacement.

🔹 Highlights

  • Cast Iron Cylinder Body — durable bore surface for stable engine operation
  • 44mm Inner Bore / 54.5±0.2mm Outer Diameter — precision-machined dimensions for accurate piston fitment
  • 62.5mm Cylinder Height — dimensioned to match AF17 / AF18 / AF27 / AF28 engine specifications
  • DIO AF17/18/27/28 Fitment — confirmed fitment for Honda DIO AF17, AF18, AF27, and AF28 engine configurations
  • Complete Kit Contents — cylinder, piston, piston rings, piston pin, circlips, and gaskets supplied together

✔ Product Specifications

  • Type: Cast Iron Cylinder Kit
  • Inner Bore: 44mm
  • Outer Diameter: 54.5±0.2mm
  • Cylinder Height: 62.5mm
  • Base Width: 100mm
  • Cylinder Material: Cast Iron
  • Fitment: Honda DIO AF17 / AF18 / AF27 / AF28
  • Focus: Engine cylinder replacement / bore upgrade
  • Package Includes:
    • Cylinder Body × 1
    • Piston × 1
    • Piston Ring Set × 1
    • Piston Pin × 1
    • Circlip Set × 1
    • Cylinder Gasket Set × 1

🔧 Installation Notes

  • Confirm bore size compatibility with your engine configuration before installation
  • Engine cylinder installation is recommended to be carried out by a technician with relevant experience
  • Confirm piston clearance and compression seal integrity after assembly
  • A proper engine break-in procedure is recommended before returning to normal operation

Power You Can Trust.