Hi!
I do have 1995 Yamaha 30DMO 3 cylinder outboard which always worked great and never had problems, just had to clean carbs twice times to times because water on gas. Engine have been stopped the last 3 years.The only care I had was flushing and some TCW-3 oil on cylinders. Now to start the engine I had to clean cabs and after that was fine again but for a short time, dont even went to the sea. The engine have been 2 weeks stoped and after that the engine was “locked” which didn´t happen in 3 years stoped. Just the lower cylinder was “locked” but I could move the engine with a wrench on the “wheel” and unlock it. I thought it was some water from cooling/exaust sistem to the lower cylinder by the gasket but it wasn´t, its was perfect. Then I didnt run the engine again and then after a couple of weeks is locked again. If I unlock the engine after a few weeks is locked again and just the lower cylinder. I didn’t reassembly the engine again.
Some ideas?
I do have 1995 Yamaha 30DMO 3 cylinder outboard which always worked great and never had problems, just had to clean carbs twice times to times because water on gas. Engine have been stopped the last 3 years.The only care I had was flushing and some TCW-3 oil on cylinders. Now to start the engine I had to clean cabs and after that was fine again but for a short time, dont even went to the sea. The engine have been 2 weeks stoped and after that the engine was “locked” which didn´t happen in 3 years stoped. Just the lower cylinder was “locked” but I could move the engine with a wrench on the “wheel” and unlock it. I thought it was some water from cooling/exaust sistem to the lower cylinder by the gasket but it wasn´t, its was perfect. Then I didnt run the engine again and then after a couple of weeks is locked again. If I unlock the engine after a few weeks is locked again and just the lower cylinder. I didn’t reassembly the engine again.
Some ideas?
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