ATHENA presents its cylinder-piston kit Ø95 mm, designed for the Yamaha YFZ450R. This high-precision engine group is aimed at quad riders looking to prepare their machine for the track: increased bore, adapted piston, and a lighter assembly compared to the original equipment for a more responsive engine dynamic. Designed and tested in the competitive environment, this kit preserves the piston-cylinder assembly while allowing for a more advanced engine tuning.
- Manufacturer reference: P400485100046
- Cylinder + piston kit Ø95 mm for Yamaha YFZ450R
- Lighter assembly than the original equipment for reduced inertia
- Allows for a higher compression ratio (track use recommended)
- Engine group intended to optimize quad performance in competitive use
- Reserved for track use: requires adjustments and adaptation of the engine setup
- Spare parts: Segment 270021 – Piston 9483DA – Cylinder head gaskets 604452
- Main compatibility: YAMAHA YFZ 450 R (2017–2018 Special Edition and 2WD versions)
Practical description: machined components with tight tolerances for smooth operation, assembly suitable for track preparations. Professional installation is recommended to ensure reliability and safety.
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