20 Small Engine Hacks for SHTF Survival

When a SHTF (Sh*t Hits The Fan) scenario strikes, small engines—like those in generators, chainsaws, water pumps, or ATVs—become crucial tools for survival. Properly maintaining and optimizing these engines can make the difference between convenience and disaster. Here are 20 small engine hacks that can keep your essential equipment running smoothly when the grid goes down.

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1. Run Engines Monthly for a Few Minutes

Running your small engine for a few minutes each month prevents internal components from seizing due to inactivity. This routine allows oil to circulate through the engine, keeping it lubricated and ensuring that any potential issues are identified before they become problematic.

2. Use Fuel Stabilizer

If your equipment is going to sit unused for more than 30 days, a fuel stabilizer is essential. Ethanol-blended gasoline can break down over time, gumming up the carburetor and fuel system. Fuel stabilizers prevent this breakdown, extending fuel life for up to 24 months.

3. Store Fuel Properly

For long-term fuel storage, gasoline with ethanol is a bad idea as it attracts moisture, leading to phase separation. Opt for ethanol-free fuel if possible. Always store fuel in airtight, proper containers in a cool, dry place to slow down oxidation and degradation. Keep at least 30 gallons of gas on hand for generators.

4. Use Seafoam for Deep Cleaning

Seafoam is an excellent multi-use engine treatment. Add it to your fuel tank or crankcase to clean the fuel system, remove carbon deposits, and stabilize fuel. It's perfect for prepping engines that haven’t been used in a while, ensuring clean operation when it's time to fire them up.

5. Yearly Oil Change

Changing the oil in your small engine annually helps ensure it runs smoothly. Old oil can lose its ability to lubricate and collect debris, leading to internal damage. Fresh oil reduces wear and prolongs engine life.

6. Keep an Extra Spark Plug on Hand

A spark plug can fail at any time, leaving your small engine useless. Keep an extra spark plug for each of your machines. Replacing a worn-out plug can instantly resolve misfiring issues and prevent downtime in critical situations.

7. Use High-Quality Air Filters

A clean air filter is vital for proper combustion. Dirty air filters restrict airflow, reduce efficiency, and can lead to engine failure. Stockpile extra air filters or clean reusable ones to ensure your engines get the oxygen they need.

8. Start Engines on Fresh Fuel

If you've stored fuel for a while and are about to use your equipment, drain any old fuel from the carburetor before starting the engine. Old fuel can gum up the system. Starting with fresh fuel ensures smooth operation and prolongs engine life.

9. Drain Fuel Lines for Long-Term Storage

When storing equipment for an extended period, drain fuel from the lines, carburetor, and tank. This prevents clogs and the corrosion that can occur when old fuel breaks down and damages internal components.

10. Clean Carburetors Regularly

Over time, small particles, old fuel, or grime can clog your carburetor, leading to poor engine performance. Cleaning your carburetor yearly, or when issues arise, keeps your engine running efficiently.

11. Use Synthetic Oil

Synthetic oil offers better protection against heat and friction compared to conventional oils. In extreme conditions, synthetic oil can help extend engine life and performance, especially when you're running machines for long periods during SHTF scenarios.

12. Inspect and Clean the Fuel Tank

Regularly check your fuel tank for debris, rust, or contaminants. Use a fuel filter if your tank is in poor condition. This ensures that only clean fuel enters the engine, preventing clogs and damage to sensitive parts.

13. Inspect Belts and Pulleys

For machines like lawn mowers, ATVs, or snow blowers, inspect belts and pulleys regularly. A broken belt or worn pulley can render your equipment useless in a critical moment. Keep spares for easy replacement.

14. Secure a Manual Fuel Pump

A manual fuel pump allows you to easily siphon fuel from one machine to another, or from storage tanks, without having to lift heavy containers. This can be especially useful when fuel rationing is critical during a survival scenario.

15. Keep Fuel Filters Clean

Your fuel filter prevents contaminants from reaching the carburetor and engine. Replace or clean it regularly to avoid clogs that can reduce efficiency or damage the engine.

16. Use a Battery Tender for Electric Start Engines

If you have equipment with an electric starter, keep the battery charged with a battery tender. These devices trickle-charge the battery, preventing it from losing power over time. A dead battery in a survival situation can be disastrous.

17. Always Have Extra Fuses

Small engines with electrical components may have fuses. A blown fuse can instantly stop your equipment from working. Keep a set of spare fuses on hand to prevent small issues from turning into bigger problems.

18. Use the Correct Fuel-to-Oil Ratio for 2-Stroke Engines

For 2-stroke engines like chainsaws or leaf blowers, always follow the recommended fuel-to-oil ratio. Too little oil can cause severe engine damage, while too much oil can cause carbon buildup and inefficiency.

19. Check and Tighten Bolts Regularly

Vibrations from small engines can loosen bolts over time, potentially causing mechanical issues or malfunctions. Regularly check and tighten bolts and screws to ensure everything stays securely in place during use.

20. Carry a Multi-Tool

A small multi-tool should be part of your kit for quick fixes in the field. With screwdrivers, pliers, and a blade, you can easily perform small repairs, swap out parts, or perform maintenance tasks without needing a full toolset.

Conclusion

Maintaining small engines during a SHTF situation ensures you can rely on essential equipment when you need it most. These hacks will help you store fuel, keep engines running smoothly, and minimize downtime due to avoidable mechanical issues. Preparation is key—plan ahead and your small engines will be ready to power you through any crisis.

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