Hi guys

I own a Suzuki Katana AY50 Katana WR Sport Scooter

I bought it 2nd hand and recently came across my worst enemy, WATER!!

Turns out now that my spark plug is washed out and I will have to get it replaced and dried out.. Someone is doing this for me as I know nothing, however... I want to learn

My question is
Is there a net resource (tutorial, walkthrough etc) That would enable me to learn how to maintain my bike and talk me through how to do such a simple thing as change a spark plug?

Thanks in Advance