Download Briggs & Stratton 470000 Specifications

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Service Department
NEW PISTON AND RINGS FOR MODELS 280000, 420000 AND 460000 ENGINES
There have been changes made to the pistons and rings on models 280000, 420000 and 460000 engines.
These new components reflect a decrease in ring thickness for improved cylinder bore conformability,
engine performance and emissions.
Service Note:
48
Due to the change in ring thickness a ring expander part number 19340 or
equivalent must be used to remove and install piston rings.
2002 Technical Update Seminar
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