Carburetor GEKO for Husqvarna models 136/137/141/142 (MPN G81124)

Replacement carburetor GEKO for Husqvarna models 136/137/141/142 is a mechanical carburetor designed to regulate the air–fuel mixture in two-stroke gasoline engines. It fits common small-engine applications used in chainsaws and trimmers and is intended as a direct replacement to restore engine performance, improve idling stability and support consistent acceleration and power delivery. The unit is compatible with the listed Husqvarna models and provides the core functions required for normal engine operation.

Advantages

The GEKO carburetor offers straightforward mechanical adjustment points for idle and mixture settings, enabling accurate tuning of the air–fuel ratio. Constructed with materials suitable for small-engine environments, it helps reduce issues related to poor starting, unstable idling or inconsistent throttle response when installed correctly. Designed as a replacement part, it allows repair or maintenance without the need to replace the entire engine or powerhead assembly.

Suitable for

• Repairing Husqvarna chainsaw and trimmer engines listed as models 136, 137, 141, 142
• Replacing a worn or damaged carburetor to restore starting and idling performance
• Routine maintenance when tuning or adjusting small two-stroke engines
• Workshops and field repairs where direct-fit replacement parts are required

Key specifications

• Type: mechanical carburetor for two-stroke gasoline engines
• Compatibility: Husqvarna models 136, 137, 141, 142 (chainsaws, trimmers)
• Adjustments: idle and mixture adjustment screws for tuning
• Function: regulates air–fuel mixture for idling, acceleration and steady operation
• Application: small-engine outdoor power equipment

How to use

Install the GEKO carburetor following manufacturer guidance or a workshop manual for the specific Husqvarna model. Ensure fuel lines, gaskets and mounting surfaces are clean and free of debris before fitting. After installation, set the idle and mixture screws to the baseline positions recommended for the engine and perform fine adjustments while the engine is warm to achieve stable idling and proper throttle response. Confirm there are no fuel leaks and that the choke and throttle linkages move freely.

Usage recommendations

Use fresh, properly mixed two-stroke fuel and a clean fuel filter to prolong carburetor life. If the engine shows persistent starting or running problems after installation, inspect fuel delivery, ignition components and air intake for additional faults. Periodic inspection and cleaning of the carburetor will help maintain consistent performance.