Gearbox slips
I have a trike with a Rotax 582 grey head. It has 300 h in the book. There has never been any problem with the engine until now. It looks like if something slips in the gearbox. When i start with full rpm i could sometimes hear a very short screech, just like a boatpropeller cavitating. Then the engine runs normal again. Is it posibly thad a bushing or cone slips for a second and then fasten again? The gearbox is an E, 4,0.