These Briggs & Stratton engines are mostly fitted to rotary lawnmowers and have overhead valves, foam(450E & 500E) or paper cartridge (550E, 575E, 600E, 625E) air filters and a plastic fuel tank. Some have a cold start push primer mounted in the air filter cover, some have auto choke (no primer)
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Items with associated special tools. Click Red Spanner link on the left of the page for tools page