The brake horsepower (BHP) of the average 50cc scooter engine is about 3 to 4. In most states, any engine with more than 5 horsepower must be registered as a motorcycle.
CC is not related to horsepower. CC is the capacity of the cylinders of that engine. -You can have a 212 cc industrial engine of abour 20 Hp, or a 212 cc trail bike engine of 60 hp. Many other factors govern horsepower.
16.38 cc=1 cu in. and depends on the effenceny of the motor.Could be from 5 cc to 32 cc per hp.
5.5 hp
148cc=3.5HP
Horsepower and cc(size of engine) do not relate like that. It could be a slow moving lawnmower engine of 5-6 hp or a highly tuned dirt bike engine of 30 or more hp.
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Its between 5 to 6.5 hp.
5 hp
5.5 hp
50 cc is a capacity, of a very small engine. The actual horsepower depends on how it is engineered, compression ratio, valve timing etc. It is likely to be less than 5 horsepower.
5 cc in a teaspoon