Motorcycle Starter Clutch Assembly compatible with models including 500 (2003), 400 (2004–2008), 330 STD 2x4 (2004–2005), 400 STD 2x4 (2004–2005), 330 STD 4x4 (2004–2005), 400 STD 4x4 (2004–2005), 400 STD (2006–2008), MAX 400 (2004–2005), MAX 400 STD (2006–2008), MAX 400 (2006–2008), 450 EFI (2018–2022), MAX 450 EFI (2018), MAX 450 EFI T3 (2019), MAX 450 EFI T3 6x6 (2019), L MAX 450 EFI (2015), L 450 EFI (2015), T 450 EFI (2020), T 450 EFI 6x6 (2020–2021), T 450 EFI STD DPS XU (2021), T MAX 450 EFI DPS (2020–2021), and T MAX 450 EFI 6x6 (2020–2021).Includes components matching OEM part numbers 420660124 (Torque Gear), 420220914 (Driven Pulley Shaft), and 420280250 (Cam).Constructed from aluminum.Designed to restore clutch assembly function: engages the starter motor with the engine crankshaft during startup, disengages automatically once engine speed exceeds starter motor speed, and prevents reverse drive damage to the starter system.Fits as a direct replacement for the starter clutch assembly.