2014-2025 YAMAHA YZ250F - CRANK WORKS PLAIN BEARING ROD KIT Includes: Crank Works Plain Bearing Rod (Standard Length) ProX Big End Pin This kit is a must-have for both casual riders and racers alike. Here's why: Durability: Significant upgrade over the stock OEM Yamaha YZ250F rod. Say goodbye to the risk of catastrophic failure, with stock and modified engines. Improved Performance: The plain bearing setup reduces drag and friction, thus up to 3/4 of a hp more! Extended Service Life: By eliminating the OEM roller bearing and thrust washer with this high-quality setup, you can enjoy significantly longer service intervals. Some customers have reported over 120 hours of use on their race engines without any issues, showcasing the longevity and durability of this kit.