Description
1144 120 0614 STIHL Carburetor WJ-143A (Genuine OEM Part)
The STIHL 1144 120 0614 is a genuine OEM carburetor, model WJ-143A, designed to deliver precise fuelair mixture control for high-performance STIHL chainsaws. Engineered for professional-duty operation, this carburetor supports reliable starting, stable idle, responsive throttle control, and consistent power output under extreme cutting conditions.
Manufactured to STIHLs original equipment specifications, this carburetor is built with high-quality internal metering components to ensure accurate fuel delivery and long service life. Using a genuine STIHL carburetor helps maintain factory engine performance, fuel efficiency, and emissions compliance.
Product Details
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Manufacturer Part Number: 1144 120 0614
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Brand: STIHL
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Part Type: Carburetor
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Carburetor Model: WJ-143A
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System: Fuel system / Air intake system
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Function: Regulates fuelair mixture for engine operation
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OEM Status: Genuine STIHL OEM replacement
Function
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Delivers precise fuelair mixture to the engine
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Supports smooth idle and responsive throttle control
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Improves starting reliability
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Maintains consistent engine performance under heavy load
Compatible With STIHL Chainsaws
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MS 661 C-M R Magnum (Carburetor WJ-143)
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MS 661 C-M Magnum (Carburetor WJ-143)
How Its Used
This carburetor installs within the air intake assembly and meters fuel into the engine based on throttle input and operating conditions. It works in conjunction with the air filter and intake system to ensure efficient combustion.
Correct installation and system calibration according to STIHL service procedures are essential.
Suggested Maintenance
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Use clean, fresh fuel mixed to STIHL specifications
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Inspect and maintain the air filter regularly
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Check for fuel leaks or poor throttle response
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Replace the carburetor if performance issues persist after service
The STIHL 1144 120 0614 Carburetor (WJ-143A) is used in OEM-specified fuel system applications where accurate fuel delivery, durability, and professional-grade performance are essential.
