WebJan 24, 2014 · Piston Slap. A hollow, muffled, almost bell-like sound is usually piston slap. This condition is caused by a piston rocking back and forth within its cylinder. Continuous piston slap means the engine needs service; however, if you only notice this sound when the engine is cold, it is likely not serious. A continuous piston slap sound is usually ... WebApr 10, 2024 · This video shows live footage of a common knocking rattling noise these V4 OMC outboard motors make. After realizing where the noise comes from we will show...
Evinrude 115 grinding, knocking, rattling noise, Diagnosis
WebAug 23, 2016 · I recently purchased a 2004 boat with a Yamaha 225 Outboard (600 hours supposedly). The motor has been running flawlessly for the last few months and after I returned from a trip yesterday the motor starting knocking fairly loudly. The knocking happens at all RPM's and idle. It is coming directly from top left side of the valve cover. WebApr 24, 2024 · 47,573. Neil_Y said: A friend has a 10hp Honda 4stroke outboard in his yacht (this is Swedish and mounted like a sail drive through the hull) He can't access the leg … orchid lady of the night
Engine Knock Sound - Explained - YouTube
WebFeb 14, 2024 · Outboard Motor Making Knocking Sound. By boatman July 20, 2024 October 2, 2024. This past weekend I while I was waiting to launch my boat, I could hear a loud knocking noise coming from someone else’s boat that was tied next to the dock. WebApr 26, 2024 · Other machinery sounds can reveal less fortunate news, including a squealing from the cutlass bearing. A worn cutlass bearing will take its toll on a boat’s performance. … Web2 stoke knocking or clacking noise that no one on the Internet seems to have a definitive answer on. Most searches reveal that most people find that it does ... iqoo 9 se back case