How to refit motorcycle engine fast? How to increase the power of the engine, for example: 110 type

You can improve the compression ratio of the engine. The engine with high compression ratio has strong acceleration and power. Improve the compression ratio: 1. The combustion chamber should be smaller; 2. The piston should be increased (Note: don't let the piston touch the cylinder head). Generally speaking, the higher the compression ratio is, the better the power and economy of the engine is

The speed of motorcycle is 2 times faster than that of bicycle, and the speed of bicycle is 5% slower than that of motorcycle?
I want to know how it's calculated?
Please give me your advice. ha-ha.

One time speed is 50%
Two times is exactly 100%
So motorcycles are 100%
If the speed of the motorcycle is 2, then the speed of the bicycle is 1 / 4
100% minus 25% = 75%

When it is difficult for motor vehicles to meet on narrow mountain roads without road center line___ First. A, fast let slow B, heavy car let empty C, let the mountain side D, let not rely on the mountain side
I'm doing C. how do you understand that

Since it's a mountain, you have to rely on the canyon and abyss if you don't rely on the mountain. If you don't let him drive, are you going to push him down the mountain!

The speed of a motorcycle is 80 percent faster than that of a bicycle?

Bicycle speed x (1 + 80%) = motorcycle speed

How to refit motorcycle engine fast? How to increase the power of the engine, for example: 110 type