BWS100/ZUMA100 Cylinder Head


Machined Chamber. Fin-Cooled. Direct Fit.

Designed for the Yamaha BWS 100 engine, this Cylinder Head features a machined combustion chamber surface and an aluminium cooling fin structure for effective heat dissipation during engine operation. Available in three bore sizes — 52mm, 54mm, and 56mm — to match a range of BWS 100 cylinder configurations. Supplied as cylinder head only. Select the bore size that matches your cylinder specification before ordering.

🔹 Highlights

  • Aluminium Alloy Construction — lightweight alloy body with cooling fin array for heat dissipation
  • Machined Combustion Chamber — precision-machined chamber surface for consistent sealing with cylinder top gasket
  • Three Bore Sizes Available — 52 / 54 / 56mm; confirm cylinder bore specification before ordering
  • Yamaha BWS 100 Direct Fitment — dimensioned to match Yamaha BWS 100 engine cylinder head specifications
  • Cylinder Head Only — supplied as single component; no additional hardware included

✔ Product Specifications

  • Type: Cylinder Head
  • Bore Size: 52 / 54 / 56mm
  • Material: Aluminium Alloy
  • Fitment: Yamaha BWS 100
  • Focus: Engine rebuild / cylinder head replacement
  • Package Includes: Cylinder Head × 1

🔧 Installation Notes

  • Confirm bore size matches your cylinder specification before ordering
  • Inspect cylinder top surface for flatness before installation
  • Ensure head gasket is correctly positioned before torquing head bolts
  • Torque head bolts evenly to manufacturer's specified value to prevent combustion leaks

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