Briggs & Stratton 520000 User Manual

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Figure 10
Inspect Camshaft
1. Measure camshaft lobe height (Figure 11). If
lobes are not to specification, replace the
camshaft.
• Standard Intake/Exhaust - 1.183 - 1.186 in.
(30.065 - 30.135 mm)
• Reject Intake/Exhaust - 1.179 in. (29.965
mm)
Figure 11
2. Measure camshaft journals (Figure 12).
Figure 12
3. Measure camshaft run-out (Figure 13).
• Maximum Run-out - 0.0012 in. (0.03 mm)
4. If a run-out exceeds specification, the
camshaft must be replaced.
Figure 13

Briggs & Stratton 520000 Specifications

General

Brand	Briggs & Stratton
Model	520000
Category	Engine
Language	English