45
7
7
12 Volt Starter
Ring Gear
The ring gear on this engine is made of steel and
is heat shrunk to the flywheel. It is not repairable.
If the ring gear is damaged, replace the flywheel
assembly.
Check Starter Drive Operation
When the starter switch is activated, the starter
gear should engage the flywheel ring gear and
crank the engine. The starter gear should not
bind on the helix. If necessary, use a mild solvent
to clean the starter gear and helix. Dry with
compressed air.
NOTE: Do not oil the starter gear or helix.
If the starter gear still binds on the helix, replace
the entire starter drive assembly using the
following procedures.
Disassemble Starter Drive
1. Disconnect wire harness and remove
screws and starter motor from cylinder.
2. Carefully pry off and discard e-ring (A,
Figure 7-1).
3. Remove helix (C) from starter gear (D) by
rotating helix back and forth while pulling.
4. Remove three screws (B) that secure the
cover (E) to the starter drive assembly.
5. Remove and discard felt washer (F).
Disassemble the drive gear (G), pinion
gear (H), and gasket (J). Do not discard
the gasket or washer.
NOTE: The felt washer and gasket are not
serviceable parts.
Inspect Starter Parts
1. Inspect drive gear and pinion gear for
worn or broken teeth. Replace if
necessary.
2. Inspect starter gear and helix for wear or
scoring from dirt. Replace if necessary.
Assemble Starter Drive
1. Install gasket, pinion gear and drive gear
to the starter motor. Apply liberal amount
of grease to gear teeth.
2. Install felt washer.
3. Install cover and screws and torque to
values listed in Section 12 - Engine
Specifications.
4. Insert helix into starter gear and install
through cover and into drive gear.
5. Install new e-ring.
6. Position starter on cylinder and install
screws. Torque to values listed in Section
12 - Engine Specifications. Connect wire
harness.
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