Yamaha Portable F8 Four Stroke

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Engine TypeTwo-Cylinder  
Displacement(197cc) | 12.0 ci  
Bore x Stroke56.0 mm x 43.0 mm (2.20 x 1.70 in.)  
Compression Ratio9:4:1  
Prop Shaft Horsepower8 hp at 5500 rpm  
Full Throttle RPM Range5000 ~ 6000 rpm  
Fuel InductionSOHC  
ExhaustThrough Propeller  
CoolingWater/Thermostatic Control  
IgnitionCDI Microcomputer  
Spark PlugBR6HS-1000-000  
Alternator Output6 Amp (requires optional rectifier/regulator)  
Starting SystemM = Manual  
LubricationWet Sump  
Engine Oil Capacity0.8L (0.85 qt)  
Recommended Engine OilYamalube® 4M (See owner's manual)  
Recommended Fuel FiltrationYamaha Mini 10-Micron Fuel/Water Separating Filter (external)  
Recommended FuelRegular Unleaded (Minimum Pump Octane 87)  
Ethanol Blend Limit10% Maximum  
Gear Ratio(27:13) 2.08:1  
Gear ShiftForward, Neutral, Reverse  
Shaft LengthS=15" L=20"  
Degree of Tilt71˚  
Degree of Trim4 positions  
C.A.R.B. Rating3-Star  
Dry WeightF8SMHB = 38kg (87lbs) F8LMHB = 39kg (89lbs)  
Steering Angle (maximum)45° from center, either direction  
Warranty3 Year Limited Pleasure Boat - 1 Year Limited Commercial