red line

i have 2kr red starts 17000 ends 19000 from first to four it revs to 19000 i rev it like this every time i ride it has any one got theres to 21000 on the 3ln and any blown there engine yet through over reving it yet i want my to rev higher with out buying a 3ln bike will a cdi box sort this

 

every bike and car i have owned gets the same red line thrash so i let u know if it blows and what the mileage was at mo its got 15000ks on clock and good oil only paid 200 quid for it so i c how long engine will last at red line all the time