Motor set (increased diameter - 98mm) - Yamaha YFZ450R ('09-'23) / YFZ450X Special Edition ('11-'18) - Athena

Set motor (cylinder kit) with an increased diameter of 98mm from the manufacturer Athena for Yamaha YFZ 450 R (2009-2023) / YFZ 450 X (2010-2011) / YFZ 450 Bill Balance Edition (2010-2018) / YFZ 450 R Bluish White/Deep PURP.Soid/Black (2009-2021) / YFZ 450 R Special Edition (2010-2023) / YFZ 450 X Special Edition (2011-2018)

The Italian manufacturer Athena continuously 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;
- displacement: 478 cc;
- compression ratio: 12.5:1;
- piston pin diameter: 20 mm;
- number of rings: 3;
- thickness of the oil ring: 1 mm;
- thickness of the compression ring: 1.5 mm;
- thickness of the oil control ring: 2.5 mm;
- power output: 43 HP at 8,600 RPM;
- cylinder head is 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.