OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Briggs & Stratton Engines Briggs and Stratton Model 90302

Delving into a lawn motor motor for the first time and this is what I find on the pistons and valves. Is all that carbon build up normal or does it indicate an oil problem? Well, the engine does seem to have an oil problem because oil was draining out of the breather assembly pipe (don't know its real name) that plugged into the carby.



Would the gasket being broken on the breather assembly cause oil leaks? Trying to isolate the problem.