Driven Gear Shimming Tool

Installs and removes drive shaft bearing retainer on MC-1, R-RM, Blackhawk, all Bravo, and all Alpha drive units.

Replaces: 91-17256

For all Bravo drive units

Replaces: 91-17302

Capacity: 75-105 mm / 3” ~ 4 1/2”

Measures upper drive gear clearance on MC-I; R-MR; Alpha One; and Alpha one, Gen Two drive units.

Replaces: 91-60523

Removes pinion bearing from MC-I, R-MR, and Alpha One drive units.

Replaces: 91-36569T

Replaces: 91-61067A3, 91-61067A04

Holds pinion nut when removing pinion gear and drive shaft on MC-I, R-MR, and Alpha One drive units.

Comes with one NSP823 drive shaft adaptor (Replaces: 91-56775T )

Aligns engine and drive unit during installation.

Replaces: 91-57797A3, 91-805475A1

For use with all #1 units

For all Bravo I, II & III drive units

Replaces: 91-17275A1

Installs and removes drive shaft bearing retainer on  MC-I, R-MR, Blackhawk, all Bravo, Alpha I, Alpha I Gen II drive units and all Alpha drives units.

Replaces: 91-12037

Removes and installs the shift shaft bushing in the gear case of MC-I, R-MR, and Alpha One, drive units.

Replaces: 91-31107T

Removes and installs hinge pins from all Mercruiser drive units.

Replaces: 91-78310

For all Bravo I, II & III drive units

Replaces: 91-43579

Measures pinion height of MC-I; R-MR; Alpha One; and Alpha One, Gen Two drive units.

Replaces: 91-56048T, 91-56048001

Provides a wrench surface to turn the propeller shaft on MC-I; R-MR; Alpha One; Alpha One, Gen Two; Bravo One; and TRS drive units.

Replaces: 91-61077T

Installs and Removes Bearing Carrier Retainer Nuts on Bravo II & Bravo III Sterndrive Units.

Replaces: 91-17257T, 91-8053741

Removes and installs bearing carrier retainer nuts on Bravo One and Two; MC-I; R-MR; and Alpha One, Gen.

Two; and TRS; drive units.

Replaces: 91-61069T