Upper Driven Gear Shimming Tool for MerCruiser MC-I, R, MR & Alpha One

Compare retailer offers

About this product

Check the upper driven gear position during sterndrive repairs with this dedicated shimming tool. Used with feeler gauges, it provides a reference surface for measuring gear clearance and determining whether the shim thickness needs adjustment. The tool supports accurate gear positioning during upper-unit rebuilding, including work involving replacement gears, bearings or housings. It is intended for compatible MerCruiser MC-I, R, MR, Alpha One and selected Alpha One Gen II drives. Product details Type: Upper driven gear shimming tool Function: Assists with measuring upper driven gear clearance Working location: Upper driveshaft housing Used with: Suitable feeler gauges Application: Compatible MerCruiser MC-I, R, MR and Alpha-series sterndrives Intended use: Gear positioning and shim selection during rebuilding Product status: Aftermarket tool, non-OEM Check compatibility Confirm the required tool using the drive serial number, gear ratio and service manual. Different Alpha One Gen II versions use different driven-gear shimming tools, so the model name alone does not confirm compatibility. Follow the specified bearing-preload, tool-positioning and measurement procedures. This tool

More from Not specified