Engine Alignment Tool

Removes and installs hinge pins from all Mercruiser drive units.

Replaces: 91-78310

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

Replaces: 91-56775T

Measures upper driven gear clearance on MC-I;

R-MR; and Alpha One; and Alpha One, Gen Two drive units.

Replaces: 91-60526T

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

Removes and installs bearings in MC-I, R-MR, Alpha One, Alpha One Gen Two and Bravo.

Replaces: 91-31229A7

Used with No. 90260 & 90270 tools to install & remove pinion bearing.

Replaces: 91-31229

Replaces: 91-45497A1

For all Bravo I, II & III drive units

Replaces: 91-17275A1

For all Bravo drive units

Replaces: 91-17302

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

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

Replaces: 91-17257T, 91-8053741

Removes and installs threaded bearing retainer on Alpha stem drives.

Replaces: 91-43506T

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

Replaces: 91-36569T

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

Replaces: 91-17256