One Way Starter Clutch 39mm For / Outback 250 300 400 Supermoto 400 This aftermarket starter clutch assembly is designed to restore starting function for compatible ATV models.The unit features a steel construction and includes a one-way bearing mechanism essential for proper starter.This component fits applications requiring a 39mm inner diameter freewheel.Please verify your existing part measurements before purchase, as older models may utilize a 42mm version. Specifications: Material: Steel Mounting Holes: 3 Bearing Inner Diameter: 39mm (1.49 in) Bearing Outer Diameter: 54mm (2.12 in) Clutch Body Inner Diameter: 54mm (2.12 in) Clutch Body Outer Diameter: 85mm (3.34 in) Clutch Body Height: Approx 13mm (0.51 in) Replacement Part Numbers: 22100-E10-104, 22100-E10-200, ACC-22100-E10-104, ACC-22100-E10-200, 2812162N-000, AEO-2812150B-000 Compatible Models: Fits ATV 250 (2008-2011) Fits ATV 300 Fits ATV 300 Supermoto (2009-2015) Fits ATV 400 (1990-2015) Fits ATV 400 IRS Fits ATV 400 EFI LOF (2011) Fits ATV SM 400 EFI Fits ATV Black Lizard 400 EFI (2011) Fits Trtion ATV Outback 300 (1990-2015) Fits ATV Outback 400 2X4 Fits ATV Outback 400 4x4 EFI LOF (2011) Fits ATV Outback 400 4x4 LOF (2011) Fits ATV Supermoto 400 EFI Fits Trtion ATV Crosser 300 (2009-2015) Fits GOES ATV Goes 300s (Access) Fits GOES ATV Goes 400s (Access) Fits GOES ATV Goes 400 (Access) Fits Access ATV AMX 3.20 Fits Access ATV AMS 4.30 SM Fits Access ATV AMS 4.30 SX Fits Access ATV AMS 430 / 4.30 EFI Fits Access ATV Xtreme 300 Supermoto Fits Access ATV Xtreme 300 Fits Access ATV MAX 5 400 EFI Fits Zenzero 350 (2012) - Replaces Starting Clutch Body 2812162N-000 Fits Aeon Urban350i Fits Aeon Elite 350i Fits Aeon Bistrada 3.5 Fits Aeon Cube 300 Fits Aeon Cube 350 4WD Fits Aeon 300S Fits Aeon 320 Fits Aeon 350 Fits Aeon 400 EFI SX u.SM Fits Aeon Crossland 300 Fits Aeon Crossland 350 Fits Aeon Crossland 350RX (2010 onwards) Fits Aeon Crossland 350X4 (Allrad) Fits Aeon Crossland 400 4x4 (2012 onwards) Fits Aeon Crossland 400 (2012 onwards) Fits Aeon 400 Basic/LUX/LE, Supermoto Basic/LE Fits CYR 351 Fits CYR 451 Fits GOES 300s (Aeon) Fits GOES 350s (Aeon) Fits GOES 360 Max 4x2 (Aeon) Fits GOES 360 Max 4x4 (Aeon) Package Includes: 1 x One Way Starter Clutch Assembly Note: This product is an aftermarket accessory and not an manufacturer part.Vehicle brand names are used solely to indicate compatibility.Please compare your faulty unit with the provided images and specifications to confirm fitment. This is a compatible aftermarket component.Brand names are cited solely to show which devices it works with.