Motor set (standard diameter - 95mm) - Yamaha WR450F ('03-'06) / YZ450F ('03-'05) - Athena

Set motor (cylinder set) with a standard diameter of 95mm from the manufacturer Athena for Yamaha WR 450 F (2003-2006) / YZ 450 F (2003-2005).

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: 95 mm;
- piston stroke: 63.4 mm;
- actual displacement: 450 cc;
- piston pin diameter: 18 mm;
- compression ratio: 12.3:1;
- power output: 54.5 HP at 8,700 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.