Chrysler 135hp (2-Stroke) vs Mercury 125hp OptiMax
135hp (2-Stroke)
125hp OptiMax
| Spec | Chrysler 135hp (2-Stroke) | Mercury 125hp OptiMax |
|---|---|---|
| Power & Performance | ||
| Horsepower | 135 HP | 125 HP |
| Displacement | 1586 cc ← | 1522 cc |
| Configuration | 4 Cyl / Inline | 3 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 115 kg (254 lbs) ← | 170 kg (375 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 2.00:1 | 2.07:1 |
| Alternator | 192 W | 864 W ← |
| Fuel Delivery | Carbureted | DFI (Direct Injection) |
| Maintenance | ||
| Spark Plug | Champion UL18V | NGK IZFR6J |
| Engine Oil | TC-W3 2-Stroke | Mercury OptiMax/DFI Oil |
Technical Comparison Analysis
Power & Displacement
Comparing the Chrysler 135hp (2-Stroke) and Mercury 125hp OptiMax shows a displacement difference of 64cc. The Chrysler features a larger 1586cc 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 Chrysler is the lighter option at 115kg, offering a weight saving of 55kg 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 Mercury offers the best charging performance with a 864W 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.