7
19
NOTE: SPECIFICATION TABLES BEGIN ON PAGE 41 OF THIS SECTION.
Replace Flywheel Ring Gear
(Typical, all systems)
Briggs & Stratton starter motors use either an aluminum
or plastic ring gear on the flywheel. American Bosch –
Mitsubishi Gear Drive starters use a steel flywheel ring
gear with a steel starter pinion gear. Make sure that you
get the correct parts for your starter model.
WARNING
Flying objects can cause personal
injury or property damage.
• Do not strike flywheel with a hard object or
metal tool as this may cause flywheel to
shatter in operation.
1. With a center punch, mark the center of the rivets
holding the ring gear (1) to flywheel (4).
2. Drill out the rivets using a 3/16” (5.0 mm) drill.
3. Clean holes after drilling, Fig. 31.
4. Attach new gear to flywheel using hardware (2, 3)
provided with gear.
Fig. 31
2
4
1
3
Starter Motor Disassembly and Assembly,
by System
System 3 and System 4 starters wil be covered
together here. Individual differences will be noted in
the following art and text.
System 3, System 4 (Fig. 32)
Fig. 32
5
6
2
4
1
3
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