Force 9.9hp (2-Stroke) vs Tohatsu MFS9.8 (4-Stroke)
9.9hp (2-Stroke)
MFS9.8 (4-Stroke)
| Spec | Force 9.9hp (2-Stroke) | Tohatsu MFS9.8 (4-Stroke) |
|---|---|---|
| Power & Performance | ||
| Horsepower | 9.9 HP | 9.8 HP |
| Displacement | 212 cc ← | 209 cc |
| Configuration | 2 Cyl / Inline | 2 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 31 kg (68 lbs) ← | 37 kg (82 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.0 | 2.08:1 |
| Alternator | 60 W | 84 W ← |
| Fuel Delivery | Carbureted | Carbureted |
| Maintenance | ||
| Spark Plug | Champion QL82C | NGK DCPR6E |
| Engine Oil | TC-W3 2-Stroke | 10W-30 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Force 9.9hp (2-Stroke) and Tohatsu MFS9.8 (4-Stroke) shows a displacement difference of 3cc. The Force features a larger 212cc block, which typically provides superior low-end torque and better hole-shot performance when pushing heavy loads or reaching planning speeds.
Weight & Rigging
In terms of transom weight, the Force is the lighter option at 31kg, offering a weight saving of 6kg over its competitor. This weight reduction is critical for smaller hulls or boats with limited transom capacity where every kilogram affects the center of gravity and drainage efficiency.
Electrical & Features
For boats equipped with modern electronics, sonar, and shallow-water anchors, the Tohatsu offers the best charging performance with a 84W alternator. Choosing the right power-to-weight profile between these two 2-stroke engines depends heavily on your specific boat's displacement and daily power requirements.