How do you change 1997 Mazda b2300 timing belt?

How do you change 1997 Mazda b2300 timing belt?
best way is to take it to a mechanic because you need a timing tool or your truck wont hit all cylinders and a crank shaft sensor toll or else the timing pully will rip off the crank shaft...a good mechanic will charge you 200 for the whole deal