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Pinion Gear Shimming Tools

Pre-Alpha & Alpha Pinion Shimming Tool

This is MerCruiser p/n 91- 56048T. It is used along with a .025 feeler gauge to set the correct height of the pinion gear in the lower housing on all MerCruiser #1 "R" Pre-Alpha, Alpha One "MR", and Generation II outdrives.

You can check the height of the pinion gear in the lower housing without removing the prop shaft with this tool.

This tool comes from G.L.M. Marine

Wt. 6 Lbs.

: Order # 0160

Bravo 1 Pinion
Shimming Tool

This tool is MerCruiser p/n 91-42840T. It is used to check the height of the pinion gear in the lower housing on Bravo 1 lower units only.

This tool comes from Sierra Marine.

Wt. 6 Lbs.

: Order # 9841

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Last modified: February 01, 2012