drivetrain problems

hi im new here so forgive me if this question has been asked befor.. i have a 94 trail boss 250 that when at a stop requires you to pull the throttle pretty hard befor it starts to move.. is this normal? or is there a way i can "fix" the response time on this.. note that it has a brand new...

Hey there guys, hope one of you may have an answer for me. I just recently purchased a 2003 Sportsman 700 Twin, and the 4wd is always engaged, even if the switch is off. Im fairly new to this whole thing and havent worked on too many wheelers. So if anybody could lend some useful advice it would...