STIHL MS 251 Petrol Chainsaw 18" (1143 200 0737)
The STIHL MS 251 Petrol Chainsaw with 18-inch bar (1143 200 0737) is a practical choice for cutting firewood and maintaining your property. Its 45.6cc STIHL 2-MIX petrol engine delivers 2.2kW of power, with an anti-vibration system to help make handling more comfortable.
MS 251 vs MS 251 C-BE: Which Should You Choose?
Both models have a 45.6cc petrol engine, 2.2kW output and an 18-inch bar. This standard MS 251 uses conventional pull starting and side-mounted chain tensioning. The STIHL MS 251 C-BE Easy2Start chainsaw (1143 200 0738) adds Easy2Start and tool-free Quick Chain Tensioning. Choose the standard MS 251 for a straightforward setup, or the C-BE if easier starting and tool-free chain adjustment are your priorities.
STIHL MS 251 vs MS 251 C-BE Comparison
| Feature | STIHL MS 251 | STIHL MS 251 C-BE |
|---|---|---|
| Part number | 1143 200 0737 | 1143 200 0738 |
| Engine | 45.6cc STIHL 2-MIX petrol | 45.6cc STIHL 2-MIX petrol |
| Power output | 2.2kW | 2.2kW |
| Guide bar length | 45cm / 18 inches | 45cm / 18 inches |
| Chain pitch | .325 inch | .325 inch |
| Starting | Conventional pull start | STIHL Easy2Start |
| Chain tensioning | Side-mounted tensioning screw | Tool-free Quick Chain Tensioning |
| Anti-vibration system | Yes | Yes |
| Fuel and oil caps | Tool-free | Tool-free |
| Typical jobs | Firewood and property maintenance | Firewood and property maintenance |
Both models have the same listed engine output and bar length. The C-BE adds easier starting and tool-free chain adjustment, rather than more engine power.
Key Features
- 45.6cc STIHL 2-MIX engine with 2.2kW output.
- 18-inch (45cm) guide bar for firewood cutting and property maintenance.
- Side-mounted chain tensioning for convenient chain adjustment.
- Anti-vibration system helps reduce vibration at the handles.
- Tool-free fuel and chain-oil caps for straightforward refilling.
- Single-lever control groups the starting and stopping functions.
- Pre-separation air filtration helps keep coarse particles away from the filter.
- STIHL Ematic chain lubrication system directs oil to the cutting attachment.
Specifications
- Brand: STIHL
- Model: MS 251
- Part number: 1143 200 0737
- SKU: 1143-200-0737
- Engine: 2-MIX petrol
- Displacement: 45.6cc
- Power output: 2.2kW
- Bar length: 45cm / 18 inches
- Chain pitch: .325 inch
Choose the Right Replacement Bar and Chain
Use our STIHL Bar & Chain Finder to help check your cutting setup. Confirm the chain pitch, gauge and drive-link count before ordering replacement parts.
Explore the Range
Browse chainsaws or visit STIHL Shop Gladesville for more STIHL equipment. Contact Betontools for help checking replacement-part compatibility.