Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos
Mercruiser Alpha One tool *Drive gear shimming
GLM Marine aftermarket parts Alpha 1 drive gearshimming tool
Mercruiser OEM 91-60523 Alpha 1 Shimming tool for driven gear is also availableGLM Marine number: 90170Drive gear shimming tool used to measure the upper drive gear clearance the Mercruiser and Alpha series stern drivesExploded view Mercruiser drawings
90170 drive gear shimming tool
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