Set motor (cylinder kit) with an increased diameter of 98mm from the manufacturer Athena for Yamaha WR 450 F (2003-2006) / YZ 450 F (2003-2005).
The Italian manufacturer Athena constantly invests in research and development, resulting in high-quality products made from top materials processed with state-of-the-art technology.
Includes all elements shown in the picture (cylinder, piston, pin, rings, clips, gaskets).
Technical specifications:
- technology: aluminum / NiCaSil;
- cooling: liquid;
- cylinder diameter: 98 mm;
- piston stroke: 63.4 mm;
- actual displacement: 478 cc;
- compression ratio: 12.4:1;
- number of rings: 3;
- thickness of the oil ring: 1 mm;
- thickness of the compression ring: 1.2 mm;
- thickness of the scraper ring: 2.5 mm;
- power output: 56 HP at 8,500 RPM;
- cylinder head not included.
Warning: All Athena products must be used in accordance with the specific national regulations of the member state in which they are marketed or sold. Athena disclaims any responsibility for any improper use.
Complete application list can be found below.
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