Honda Odyssey FL350 Water-Cooled Cylinder Head Conversion Kit

Honda Odyssey FL350 Water-Cooled Cylinder Head Conversion Kit

The 1985 Honda Odyssey FL350R is famous for its punchy 2-stroke power, but its factory air-cooled cylinder head is notoriously vulnerable to severe heat soak. During extended wide-open dune runs, tight trail riding, or hot summer days, head temperatures spike rapidly. This excessive thermal load leads to pinging, detonation, collapsed piston ring lands, power loss, and catastrophic top-end seizures.

Our FL350 Water-Cooled Cylinder Head Conversion Kit solves the thermal bottleneck at the combustion chamber. Engineered as a unified, bolt-on system, every major component has been designed from the ground up to integrate cleanly into the Odyssey chassis without permanent cutting or guesswork. By circulating liquid coolant directly across the combustion dome, this kit stabilizes operating temperatures, preserves horsepower during long pulls, and provides bulletproof reliability for aggressive trail and dune machines.

Key Specifications & Features:

• Direct-Engineered System: All major core components are matched to work in harmony, eliminating the trial-and-error of piecing together universal parts.
• Combustion Temperature Stabilization: Liquid cooling drastically reduces peak combustion dome temperatures, eliminating detonation, vapor lock, and heat fade.
• Consistent Peak Power: Keeps fuel-air charge temperatures optimal across long rides, preventing the severe power drop-off common to air-cooled 2-strokes.
• True Bolt-On Compatibility: Engineered specifically around the FL350 cylinder stud pattern and frame envelope for clean, hassle-free installation.
• Essential High-Performance Upgrade: Highly recommended for ported engines, aftermarket tuned expansion pipes, big carburetors, and heavy sand dune riding.

Order Direct from Oddball ORV for Exact Fitment & Fast Shipping