| 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 |
 |
