Fix Fault Yamaha

what screw is the drain for the main oil pan on a yamaha 4hp four stroke

have yamaha4 4stroke,grounded prop on rocks, no will run fine in reverse,but in forward jump bad, is there a bent shaft or a stripped gear regards jim

my outboards has water in engine oil.

I'm looking to transport a 04 15hp yamaha 4 stroke on its side from Florida to Lake Michigan. Do you have to drain the oil or will it ruin the carb or air filter etc? Will it start normally?

My 4 stroke 4HP yamaha outboard when tilted tends to rotate and then the oil gets in the cylinder. There is a threaded tensioner? which I think should stop this rotation but when fully tightened has n ... more