hondaxrider2005r

i was wondering if i should send my tune in and move limiter to 7200 right now its at 6800 and the problem i have is that it tachs out for a sec before shifting to second...the car has most there parts including there tune..also was wondering if i wasn't the one to buy the tune because car already had it on it when i bought it if id be able to send it in, tune was bought in aug 2012 and has a year of free tunes.....i believe the car will handle 7200..callies crank, arp bolts, eagle h-beams,titanium pushrods, prc dual valve springs etc.....what do you think?