Material: Carburizing Steel External Testing Certification: ISO9001 Model Name: TTR 250 TT 250 R TT R 250 TT250 R TT 250 Displacement (ml): 650 - Compatibility: TTR250 1999-2006, TT250R 1999-2006, TT-R 250 1999-2006 The Starter Clutch Drive Idle Gear is constructed from carburizing steel, providing durability for off-road use.It meets ISO9001 standards for consistent quality and performance.Designed as a direct replacement, it fits into the engine system without requiring modifications.This idle gear is compatible with TTR250, TT250R, and TT-R 250 models manufactured between 1999 and 2006. This component supports proper engine by adjusting the pressure angle and extending transmission distance, contributing to improved driven wheel steering.Replacing the idle gear can help maintain engine efficiency and support performance over time.The design allows for straightforward installation, enabling quick integration into the existing drivetrain. Important: This is a non-OEM part.Any brand or model cited is used to denote device compatibility.