It's pretty easy once you eliminate the green brackets. Do a search on i-club for those, but basically one thing you have to have is a cheap, low duty 12mm box end wrench. I say cheap because you need it to be thin and the box end mustn't be real beefy and thick or it won't get the bolts off the ventilation caps which must come off the get the bottom bolts on the green brackets. Take a look in there and you'll see what I mean. You need to explore around things first to know what tools you may need.