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Double forging, sub zero treatment, carburizing - The whole kits are specially treated to increase strength, durability and stability.
Perfect round-roundness tester is within 0.003
Honing surface-surface test result Ra is within 0.2, beyond industry standard
Perfect oiling-precision honing to increase oil retention
Annealing-It enhances and improves the toughness, improves the homogeneity in steel and the grain size of the steel is refined a lot.
Part Number: RY-2021 OEM Part Number: 4LS-11651-00 Compatibility: Compatible for XT 125 2007-2008, YBR 125 2005-2014, ATV Yamaha Raptor 125 2011-2013 Material: Double forged heavy duty AISA or SCM420H case harden chromoly Package: Forged rod x 1, big end bearing x 1, crank pin x 1 Net Weight: 380 g Total Weight: 410g (total package, included packing)