Push Head Decompression Knop Thunder 250

When you look at the top of the engine there is a Thunder 250 prominent Knop is rare in other motors. It is aimed at decompression Knop leaking compression in the combustion chamber. Its function is when going to the kick starter crank feet will feel light. When Knop Decompression is not in the lift to the top of the crank the motor would be heavy.
Decompression is the opposite of compression. How it works is different, if the suction valve compression and exhaust valves close tightly with the rising piston moves towards TDC (Top Dead Point) and a mixture of fuel and air is compressed to a solid, then fire the spark plug at the time there was an explosion splashed remarkable in the combustion chamber and pushed the piston back to DPB (Dead Point below).



At Thunder 250 compression leaking past the exhaust valve in a manner that is through Knob / lever manually, but now the latest Auto in motorcycles. Some advantages of this decompression, namely:

     Extend the life of the starter dynamo
     Lighten the piston and extending kinerjastang
     Aki will always be preserved also
     Leg fatigue