2. How aggressive they are This picture amazingly captures the think layer of clouds in the valley close to the south of Lake Como, northern Italy. In the above image, the dense cloud hides almost the valley and instead gives off some artificial lights that will make the town just like an opaque blanket. The village over distance is clearly seen out from the blanket. Air filter is blocked so there's not enough air input. There is a problem with motorcycle sprocket, like idling air inlet congestion, then the air input just isn't enough. The oil amount of float chamber is too high, some gasoline go directly into the cylinder without atomization, that may cause incomplete combustion. Main orifice wearout seriously and then this fuel injection from primary nozzle increases, that may cause incomplete combustion. Heating automatic valve is at start position along with the enrich valve can't be closed automatically, that can caused a wealthy mixture. Carbon deposit in muffler, exhaust jam, waste gas stay in cylinder, that can caused incomplete combustion then black smoke. The first thing you must do before getting into building your butt is always to write up a strategy detailing which exercises you will need to do, what foods to eat, what time you'll hit the sack and which days you'll workout. These factors are important in that it may help you overcome obstacles that lay inside your way including lack of motivation, peers putting you down and discouraging you against reaching your ultimate goal, deficiency of some time and procrastination. As the saying goes "If you neglect to play you're planning to fail" and nothing may be more evident than changing the way in which one's body looks.