Hello Salve,
it's very simple to do...
You'll be fine. You shouldn't encounter the usual rusted on nuts and other Series ball aches either! I did mine recently in 30 mins.
Worth getting a step (spare wheel) to stand on for ease of access when undoing the fasteners. As well as removing air filter box. When retightening I found it easier to get under the vehicle and do it that way. Some of these old boys moan about doing up the bolt closest to the bulkhead ;-) easy from underneath!
I accidentally removed a connector to the solenoid while doing this, I had decided to fit a new coil at the same time so I caused myself a minor faff before I noticed! Watch for that one...
Less than an hour of easy maintenance...