Briggs & Stratton Twin Cylinder L-Head, Repair Manual

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GENERAL INFORMATION
This starter motor uses a gear type engagement
method, similar to an automobile starter. When the
starter motor is activated, the pinion gear engages a
ring gear attached to the engine flywheel and cranks
the engine.
Starter Location
Fig. 1 and Fig. 2 show typical starter motor locations.
Fig. 1 – Horizontal Crankshaft Engines
STARTER
MOTOR
(TYPICAL)
Fig. 2 – Vertical Crankshaft Engines
STARTER
MOTOR
(TYPICAL)
Starter Identification
Briggs & Stratton Twin Cylinder engines have used three styles of 12V starters. Current style starters have a molded
plastic, stamped steel or aluminum brush end cap and long starter housing, Fig. 3 and Fig. 4.
Early style starters had a die cast brush end cap and short housing, Fig. 5.
Fig. 3 – Current Style Starters
4-1/2” (114 mm)
HOUSING
MOLDED
PLASTIC
END CAP
MOLDED
PLASTIC
END CAP
3-5/8” (92 mm)
HOUSING
DIE CAST
END CAP
3” (76 mm)
HOUSING
Fig. 4 – Current Style Starters Fig. 5 – Early Style Starters