17700 is above average yearly mileage, but Dukes prefer being ridden to sitting about.
If it's been idle for 5 or 6 months it could probably do with an oil change, a change of cambelt and a jolly good service all round, but then it's due one of those anyway in just 300 miles time at 18,000 miles.
Service intervals are every 6000, or every year whichever comes soonest.
Yes, all 998's are testastrettas