JOG 90 Cylinder Head
JOG 90 Cylinder Head JOG 90 Cylinder Head JOG 90 Cylinder Head JOG 90 Cylinder Head
JOG 90 Cylinder Head JOG 90 Cylinder Head JOG 90 Cylinder Head JOG 90 Cylinder Head

JOG 90 Cylinder Head


Machined Chamber. Fin-Cooled. Direct Fit.

Designed for the Yamaha JOG 90 engine, this Cylinder Head features a machined combustion chamber surface and an aluminium cooling fin structure for effective heat dissipation during engine operation. The 54mm bore size is matched to compatible JOG 90 cylinder configurations. Supplied as cylinder head only. Confirm cylinder bore specification matches 54mm 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
  • 54mm Bore Size — confirm cylinder bore specification is 54mm before ordering
  • Yamaha JOG 90 Direct Fitment — dimensioned to match Yamaha JOG 90 engine cylinder head specifications
  • Cylinder Head Only — supplied as single component; no additional hardware included

✔ Product Specifications

  • Type: Cylinder Head
  • Bore Size: 54mm
  • Material: Aluminium Alloy
  • Fitment: Yamaha JOG 90
  • Focus: Engine rebuild / cylinder head replacement
  • Package Includes: Cylinder Head × 1

🔧 Installation Notes

  • Confirm cylinder bore specification is 54mm 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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