Suzuki Burgman 650 Review

hi every one i have had a 650 burgman for just over a year now i got the bike at 25000 miles its now got 27000 on it would really like to no how menny miles they can take coz i love this bike i have 2 cbr 600f and they are no match for my burgman ya they are faster but not as cumfey as my burgman i got the bike for work . any way when i got the bike i hat to buy a new starter moto for it witch cost me £417 plus vat then needed spark plugs then oil and filter . running sweet now but i dont no how long to keep this bike for befor its worth nothing its a 2003 modal the shop i got it from must off none it needed these things to fix it i was pissed that i hat to spend that much money to get it running right . now thats why i need to no how long this modal can last wether or not its worth keep or get rid befor i really get problems with it . plz let me no if its worth keeping the bike and running it into the grond befor i get a new one thanks .....from mark