duibhceK
Husqvarna
AA Class
I would check the amount of metal, stuck to the draining plug.
Definitely do that. If there are flakes and they have a coppery/golden colour there's damage to bearings (most likely either crank shaft or piston bearings). If the flakes are silvery it is probably piston rings or cylinder damage. If there's no flakes you're probably lucky.
When doing the work, getting the engine out and back into the bike is actually the biggest part of the job. The engine itself is relatively easy to work on (I know from experience

When the cylinder is off the bearings can both be checked for (up&down) play. No need to split the crank unless there's play on the crank shaft bearing.