some one told me getting it in the crankcase is worst but i am lucky dude.
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will do
Nope, getting water in the cylinder is MUCH worse.
If it's in the crankcase, it just sloshes around there, as it's hard to completely fill it with water.
Generally, it only causes damage if you continue to drive with a significant amount of water in the oil [as the water causes problems for the
oil to do it's job].
If it's in the cylinder, the problem is that water doesn't compress much. If there is more water in the cylinder than the volume of the cylinder
at top-dead-center, then the piston goes up and then comes to an IMMEDIATE stop. Since the motor still has a lot of momentum, something
generally breaks, like the piston rod, the piston, sometimes the crankshaft or a valve.