Athena: Yamaha YZ125 STOCK BORE FACTORY KIT 54mm 97-2004


SKU: P4004-8510-0003 Category:


Athena 2-Stroke Cylinder kits
Race kits include a nickle carbide coated cylinder ported to factory works specs. Special
hard anodized exhaust valves, complete piston kit and top end gasket kit included. Factory
cylinder kits include all parts in the race kit with aluminum cylinder head with removable
brass dome allowing for higher compression and anti-detonating features.


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Make Model Year
Yamaha YZ125 1997 - 2004
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