2.3
Section 2
Special Tools
2
Special Tools You Can Make
Flywheel Holding Tool
Flywheel removal and reinstallation becomes a “snap”
using a handy holding tool you can make out of a
piece of an old “junk” flywheel ring gear as shown in
Figure 2-1. Using an abrasive cut-off wheel, cut out a
six tooth segment of the ring gear as shown. Grind off
any burrs or sharp edges. The segment can be used in
place of a strap wrench. Invert the segment and place
it between the ignition module bosses on the
crankcase, so the tool teeth engage the ring gear teeth
on the flywheel. The bosses will “lock” the tool and
flywheel in position for loosening, tightening or
removing with a puller.
Figure 2-1. Flywheel Holding Tool.
Rocker Arm/Crankshaft Tool
If you don’t have a spanner wrench to lift the rocker
arms or to turn the crankshaft, you can make a tool for
doing this out of an old junk connecting rod.
Find a used connecting rod from a 10 HP or larger
engine. Remove and discard the rod cap. If it is a
Posi-Lock rod, you will also need to remove the studs.
If it is a Command rod, you will need to grind off the
aligning steps, so the joint surface is flat. Find a 1"
long capscrew with the correct thread size to match
the threads in the connecting rod. Obtain a flat washer
with the correct I.D. to slip on the capscrew and an
O.D. of approximately 1". Kohler Part No. 12 468 05-S
can be used if you don’t have the right size on hand.
Assemble the capscrew and washer to the joint
surface of the rod, as shown in Figure 2-2.
Figure 2-2. Rocker Arm/Crankshaft Tool.
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