while in morning when i try to start bike it gives hiccups and i have to accelerate it to start.when i accelerate it little bit it starts normally fine. lets say my bike is out side and it is heated with sun.here is summer .time is about 1 pm midday sun i can feel seats are very hot when i try to start bike it doesnot starts.i have to try several times to start it and if it starts then rpm is little bit lower than when it starts in morning with autochoke.whats the problem with my bike.