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![02-18 YAMAHA YZ85 Piston Big Bore single ring VERTEX--22871200-VERTEX piston 02-18 YAMAHA YZ85 Piston Big Bore single ring VERTEX--22871200-VERTEX piston](https://www.rimotoshop.com/39514-large_default/02-18-yamaha-yz85-piston-big-bore-single-ring-vertex.jpg)
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• The pistons and standard components are interchangeable with the respective OEM products.
• Kits include piston, segments, pin and rings.
• All pistons are heat treated with a T5 or T6 boni fi cation cycle.
Vertex pistons for 2-stroke engines
• Reduces the thermal expansion that causes the geometry of the pro fi le to change after the piston reaches the operating temperature.
• The presence of the high silicon content also allows a better resistance to wear and therefore prolongs the life of the piston without decreasing performance.
Vertex pistons for 4-stroke engines
• 4-stroke engines have much higher cylinder pressures than 2-stroke and generally the pistons to be equipped with them are produced by hot forging
• Vertex pistons for 4-stroke engines are hot-forged by the 2618 aeronautical alloy, a product of the highest quality that guarantees superior strength and durability.
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Référence: P400250100018
Marque: Athena - aftermarket
Référence: S4F07600001
Marque: Athena - aftermarket
Référence: 8147
Marque: WOSSNER piston
N segmenti: 1D spinotto: 14 mmH compressione: 24 mm