As there are lots of knowledge people and scooby folk on here, can anyone tell me in fairly easy to understand language which parts I need to remove in order to get enough access to change the leads, please?

I did watch someone do the spark plugs for me (which are a bitch!), but I can only remember that we removed the water bottle!
Air box?
It's a standard 99 uk turbo 2000.
Here's a pic for reference;



(No that's not mine all nice and clean!)

Thanks