Page 102 - JohnEvin_Catalog_Flipbook

Johnson / Evinrude

MARINE SERVICE TOOLS

The GLM Shimming Tool No. 90330 makes rebuilding
a lower gearcase so simple anyone can do it!

No. 90330 Unlike the factory shimming tool, it requires
SHIMMING TOOL no mathmatical calculations to determine pinion
OEM: N/A
height/shim thickness. Themeasurement for shim
thickness is determined with a simple feeler gauge!

For use with OMC Stringer When rebuilding a Johnson / Evinrude outboard gearcase,
and Cobra V6 Outboards the correct pinion gear height must be adjusted with shims of
with “O” Type or “M” Type varying thickness. The amount of shims needed is determined
with a shim tool.
Gearcases.
The drive shaft assembly and pinion gear are installed into the
Not for use with GLM shimming tool. A shim finder is mounted on the top of the
Magnum Gearcases. pinion gear (small magnets installed in the shim finder hold it
in place). The gap between the bottom of the shim finder and
the base of the tool is determined with a feeler gauge. When
the drive shaft and pinion gear are installed into the gearcase,
shims equaling the thickness of the feeler gauge measurement
are installed between the upper thrust bearing washer and the
upper bearing carrier.

No. 90340 No. 90350
PINION NUT ADAPTOR KIT DRIVE SHAFT ADAPTOR
OEM: N/A OEM: 0314438

GLM design to hold 5/8”
pinion nut when removing
pinion gear and drive shaft
on OMC sterndrive and O/B
comes with No. 90350

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