Hi guys i made a thread on another section but this where i have posted since the first time ...well my blata 2.5 didnt wanna start its used i put new gas mix in it changed the spark plug and it now starts but is it normal that it smokes alot ???and when i try to give it gas it doesnt rev nothing with me on top until i get off it moves fine do i need to give it more gas or what should i do help out thanks