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301cc
 
 Besides,  how many cc is a 8hp?
Convert cc to hp or horsepower to cu.in. cc or cu.cm metric conversions. Many people have asked for a relationship between horsepower and cc or how many cc in a hp. The short answer is about 14 to 17cc = 1 hp or about 1 cu.in.
| Engine Type | Air-cooled 4-stroke OHV | 
|---|---|
| Bore x Stroke | 88 X 64 mm | 
| Displacement | 389 cm3 | 
| Net Power Output* | 10.7 HP (8.0 kW) @ 3,600 rpm | 
| Net Torque | 19.5 lb-ft (26.4 Nm) @ 2,500 rpm | 
Herein, how many cc is a 10 hp engine?
The general rule is for every 15 CC there is 1 HP. For example, for a 150 CC engine you would take 150 divided by 15, which equals 10 HP.
Use a calculator to multiply your engine's horsepower by 16. For example, if your engine has 150 horsepower, multiply 150 x 16 = 2,400 cc. This figure represents your engine's horsepower in cubic centimeters.
 
 
				        