STIHL MS 661 C-M Z Magnum ES Light Chainsaw 1144 200 0334
STIHL MS 661 C-M Z Magnum ES Light Petrol Chainsaw delivers 5.4kW of cutting power for demanding forestry, large timber and heavy-duty sawing. Product code 1144 200 0334 pairs the 91.1cc M-Tronic powerhead with a 63cm / 25-inch Magnum ES Light guide bar and 3/8-inch 36 RS chain.
Key Benefits
- Cut thick timber using 5.4kW of professional petrol power
- Maintain consistent engine performance with STIHL M-Tronic
- Reduce cutting-attachment weight with the 63cm / 25-inch Magnum ES Light guide bar
- Cut efficiently with the supplied 3/8-inch STIHL 36 RS chain
- Work more comfortably using the STIHL anti-vibration system
- Protect the engine from fine dust with the washable HD2 air filter
- Start with less pulling force using the manual decompression valve
- Adjust chain lubrication for long bars or dry timber using the controlled-delivery oil pump
- Retension the chain quickly using side-mounted chain tensioning
- Keep sprocket-cover nuts secure with the captive-nut design
Easy MS 661 Comparison
Both available saws use the same MS 661 C-M Z powerhead, 91.1cc displacement, 5.4kW output, 63cm / 25-inch bar length and 3/8-inch 36 RS chain. The difference is the guide bar:
- 1144 200 0334 — this model: Magnum ES Light bar. Choose this version for the lighter guide-bar setup.
- 1144 200 0332: Magnum Light bar. Choose this version if you do not need the ES Light bar.
Simple answer: 0334 has the Magnum ES Light bar. 0332 has the Magnum Light bar. The engine, 25-inch length and 3/8-inch 36 RS chain are the same.
Ideal For
- Professional forestry and tree work
- Felling and processing large timber
- Demanding farm, property and land-management work
- Experienced users who need a high-output 25-inch petrol chainsaw
Specifications
- Brand: STIHL
- Model: MS 661 C-M Z
- Product code: 1144 200 0334
- SKU / MPN: 11442000334
- Engine: STIHL 2-MIX petrol
- Displacement: 91.1cc
- Power output: 5.4kW / 7.2bhp
- Power-to-weight ratio: 1.4kg/kW
- Powerhead weight: 7.6kg
- System weight: 9.41kg
- Guide bar: STIHL Magnum ES Light
- Bar length: 63cm / 25 inches
- Chain pitch: 3/8 inch
- Saw chain: STIHL 36 RS
- Sound pressure level: 105dB(A)
- Sound power level: 118dB(A)
- Length with bumper spike: 482mm
Key Technology
- STIHL M-Tronic electronic engine management
- STIHL 2-MIX engine
- HD2 air filter
- STIHL anti-vibration system
- STIHL Ematic lubrication system
- Controlled-delivery oil pump
- Manual decompression valve
- Compensator carburettor system
- Side-mounted chain tensioning
- Captive sprocket-cover nuts
Take on large timber with the high-output STIHL MS 661 C-M Z, 25-inch Magnum ES Light bar and 3/8-inch 36 RS chain. Order online from Betontools.



