Engine Type |
One-Cylinder |
Displacement |
(139cc) | 8.5 ci |
Bore x Stroke |
62 x 46mm (2.44 x 1.81 in) |
Prop Shaft Horsepower |
6hp @ 5000rpm |
Compression Ratio |
8.9:1 |
Fuel Induction |
OHV |
Exhaust |
Above Propeller |
Intake |
Carburetor |
Ignition |
CDI |
Spark Plug |
CR6HSB-000-000 |
Alternator Output |
6 Amp (Optional: Requires Charging Kit) |
Starting System |
Manual |
Lubrication |
Wet Sump |
Engine Oil Capacity |
.6L (.63 qt) |
Full Throttle RPM Range |
4500 ~ 5500 rpm |
Cooling |
Water/Thermostatic Control |
Recommended Engine Oil |
Yamalube® 4M (See owner's manual) |
Recommended Fuel |
Regular Unleaded (Minimum Pump Octane 87) |
Recommended Fuel Filtration |
Yamaha mini-10 Fuel/Water Separating Filter (external) |
Ethanol Blend Limit |
10% Maximum |
Gear Ratio |
(27:13) 2.08:1 |
Gear Shift |
Forward, Neutral, Reverse |
Shaft Length |
S=15" L=20" |
Degree of Tilt |
69° |
Degree of Trim |
5 positions |
C.A.R.B. Rating |
3-Star |
Dry Weight |
F6SMHA = 27kg (60 lbs), F6LMHA = 28kg (62 lbs) |
Steering Angle (maximum) |
90° from center, either direction |
Warranty |
3-year Pleasure, 3-year Government, 1-year Commercial |
Spec Weight |
5 |
Comparison Image |
 |