F8 Specifications

Engine TypeTwo-Cylinder
Displacement(197cc) | 12.0 ci
Bore x Stroke56.0 mm x 43.0 mm (2.20 x 1.70 in.)
Prop Shaft Horsepower8 hp at 5500 rpm
Compression Ratio9:4:1
Fuel InductionSOHC
ExhaustThrough Propeller
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)
Full Throttle RPM Range5000 ~ 6000 rpm
CoolingWater/Thermostatic Control
Recommended Engine OilYamalube® 4M (See owner's manual)
Recommended FuelRegular Unleaded (Minimum Pump Octane 87)
Recommended Fuel FiltrationYamaha Mini 10-Micron Fuel/Water Separating Filter (external)
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
Spec Weight4