Stihl MS 231 vs Stihl MS 651 Chainsaw Comparisons
Specs that are different are highlighted in red. Specs that are better are written in bold. Notice that a chainsaw with a significantly larger number of bolded specifications is not necessarily a better chainsaw.
Chainsaw Details
Subjects of comparisons - brand and model.
| Manufacturer | Stihl | Stihl |
| Model | MS 231 | MS 651 |
| Photo |  |
 |
| Class | Homeowner | Profesional |
| Warranty homeowner | 365 days 1 year |
365 days 1 year |
| Warranty commercial | 90 days 0.25 year |
90 days 0.25 year |
| Your rating |
Engine Specs Comparison
Power, displacement and type of fuel of the chainsaws.
| Fuel type | Gas | Gas |
| Fuel oil ratio | 50:1 | 50:1 |
| Weight | ~4.8 kg ~10.58 lbs |
~7.3 kg ~16.09 lbs |
| Engine | Stihl 2-Mix | Stihl 2-Mix |
| Power | 2.7 hp 2.01 kW |
6.8 hp 5.07 kW |
| Displacement | 42.6 cm³ 2.6 in³ |
91.1 cm³ 5.56 in³ |
| Torque | Nm | Nm |
| Idle speed | 2800 RPM | 2800 RPM |
| Max speed | 12800 RPM | 13500 RPM |
| Spark plug | NGK CMR6H, Bosch USR4AC | Bosch WSR6F, NGK BPMR7A |
| Spark plug gap | 0.5 mm 0.02 in |
0.5 mm 0.02 in |
Chain and Bar Comparison
Detailed chain and bar specifications side by side.
| Bar length | 40.64 cm 16 in |
45.72 cm 18 in |
| Min bar length | 35.56 cm 14 in |
40.64 cm 16 in |
| Max bar length | 45.72 cm 18 in |
50.8 cm 20 in |
| Chain | Picco Micro 3 (PM3) | Rapid Super (RS) |
| Pitch | 3/8" P | 3/8" |
| Gauge | 1.3 mm 0.05 in |
1.6 mm 0.06 in |
| Sprocket | Spur 7 Tooth | Spur 8 Tooth |
Other specs
Fuel consumption, noise and liquid capacities.
| Fuel consumption | 1.06 l/hr 0.28 gal/hr |
l/hr 0 gal/hr |
| Fuel capacity | 0.39 l 13.19 fl oz |
0.85 l 28.74 fl oz |
| Oil tank capacity | 0.2 l 6.76 fl oz |
0.4 l 13.53 fl oz |
| Noise (ear level) | 103 dB(A) | 107 dB(A) |
| Vibration front | 3.9 m/s² 12.8 ft/s² |
6.9 m/s² 22.64 ft/s² |
| Vibration rear | 3.9 m/s² 12.8 ft/s² |
6.9 m/s² 22.64 ft/s² |
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