ENGINE UNIT


  1. CONSTRUCTION


    1. The pistons are made of aluminum alloy.

    2. The tops of the pistons use a taper squish shape to achieve fuel combustion efficiency.

    3. The piston skirt is coated with resin to reduce friction losses.

    4. The groove of the top ring has been coated with anodic oxide to improve wear resistance and rust resistance.

      B002NPSC01
      *1 No. 1 Compression Ring *2 No. 2 Compression Ring
      *3 Oil Ring
      *a Taper Squish Shape - -
      B002MW5 Resin Coating B002NDC Anodic Oxide Coating