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Christopher SimsAug 2, 2025
Why does my Cotech Trimmer engine smoke a lot?
- BBrooke MartinAug 2, 2025
The engine smokes a lot because of an incorrect fuel mixture. Use petrol and 2-stroke oil in the ratio 40:1 (2.5%).
To Next PageTo Next PageWhy does my Cotech Trimmer engine smoke a lot?
The engine smokes a lot because of an incorrect fuel mixture. Use petrol and 2-stroke oil in the ratio 40:1 (2.5%).
What to do if Cotech HY3315A1 Trimmer engine starts but with loss of power?
If your Cotech Trimmer engine starts but experiences a loss of power, it could be due to several reasons: * A wrong choke setting. Ensure the choke is set to “OPEN.” * A dirty air filter. Clean or change the air filter. * Dirt in the carburettor. Allow a qualified technician to clean the carburettor.
How to fix Cotech HY3315A1 Trimmer engine that won’t start or only runs at low speed?
If your Cotech Trimmer engine won’t start or only runs at low speed, consider the following potential causes: 1. Incorrect starting procedure. Refer to the instruction manual for the correct procedure. 2. Dirt in the carburettor. Have a qualified technician clean the carburettor. 3. Faulty spark plug. Clean or change the spark plug. 4. Clogged fuel filter. Change the fuel filter (inside the fuel tank).
Why Cotech Trimmer engine runs irregularly?
The Cotech Trimmer engine runs irregularly because of dirt in the carburettor. Allow a qualified technician to clean the carburettor.
What causes loss of power under load in Cotech HY3315A1 Trimmer?
Loss of power under load in your Cotech Trimmer can be caused by an incorrect spark plug gap. Clean and check the gap or change the spark plug.
Precise steps for mixing petrol and 2-stroke oil, including safety warnings and storage duration.
Procedure for refuelling the grass trimmer, including safety warnings and location requirements.
Detailed steps for starting the grass trimmer engine when cold, including choke and primer use.
Instructions for starting the grass trimmer engine when it is already warm, including safety checks.
Procedure to automatically feed and cut the trimmer line by tapping the trimmer head on the ground.
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