What does 650 cc convert to in horsepower?

To convert cubic centimeters (cc) to horsepower (hp), you need to consider several factors, specifically for an internal combustion engine. The formula for calculating horsepower using engine displacement is:

Horsepower = (Engine Displacement in Liters) * (Number of Cylinders) * (Revolutions Per Minute) * [(Brake Mean Effective Pressure in Bars) / 60823]

First, we need to convert 650 cc to liters by dividing by 1000:

Engine Displacement = 650 cc / 1000 = 0.65 Liters

Assuming a typical single-cylinder engine and an engine speed of 6000 RPM (Revolutions Per Minute), and average Brake Mean Effective Pressure (BMEP) of 8.5 Bars:

Horsepower = (0.65 Liters) * (1 Cylinder) * (6000 RPM) * [8.5 Bar / 60823]

Horsepower ≈ 7.975

Therefore, 650 cc is approximately equal to 7.975 horsepower in this simplified calculation using a single-cylinder engine with the assumptions we've defined for RPM and BMEP. Do however note that actual measurements can vary depending on a range of internal combustion engine design ,efficiency of fuel combustion and many other mechanical specifications of a power unit .