Simply call your local Suzuki dealer for the most accurate repair cost by the pro.
Then look around for a metric motorcycle shop and ask them the same thing.
Can you do it your self? Only if you are a experienced mechanic and have the repair manual for that bike, about $80.00 bucks for the manual and you will need special tools like a torque wrench, feeler gages, vacuum gages, might be cheaper to let a shop do it if you have to buy all that. that's a high rev bike don't take a chance on high end failure when your buts on the line,
If you have to ask the question, you need to let the pro do it.