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Mixed boat gas can be used in a trimmer, but it is not recommended to use old gas in 2-stroke engines as it can cause problems with the carburettor. If you are going to use mixed boat gas in a trimmer, it is best to use small amounts at a time and to use it frequently to avoid issues with the carburettor. It is also important to note that ethanol in the fuel can eat away at the soft parts of the carburettor, so it is recommended to use gas without ethanol if possible. Additionally, it is worth considering that converting a gas string trimmer to model boat power is a common practice among hobbyists, so it may be more convenient and cost-effective to purchase a trimmer with a motor that is suitable for a boat.
| Characteristics | Values |
|---|---|
| Using mixed boat gas in a trimmer | Possible |
| How long will mixed gas keep? | 2+ years |
| Gas with ethanol | Shouldn't be used for more than a couple of months |
| Gas without ethanol | Best option |
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What You'll Learn
Mixing old and new gas
If you are using a trimmer with a 2-cycle engine, it is recommended to mix the gas and oil in small batches, depending on how often you use it. For example, mixing 1/2 gallon 2-3 times a year. At the end of the season, drain the gas and run it dry. Any leftover gas can be mixed with next year's gas for push mowers or tractors.
It is worth noting that some trimmers, such as the Stihl, are known for their durability. One user reported that their 10+-year-old Stihl trimmer still works as good as new, and they are able to use 2-year-old gas in it without any issues. However, it is always a good idea to shake the gas well before pouring it in.
Additionally, if you are looking to power a gasoline-powered boat on a budget, you can convert a gas string trimmer to model boat power with little effort. This process has been used by hobbyists for 25 years and can be a cost-effective way to get into boating.
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How long mixed gas lasts
The length of time that mixed gas lasts depends on the motor. Generally, the higher the performance of the motor, the more noticeable it will be if the fuel is stale.
Stihl recommends a maximum storage period of three months for mixed fuel, minimum 89 octane. This is supported by another source, which states that mixed gas is only good for three to four weeks, or up to two to three months.
However, one source states that one gallon of mixed gas lasts them two years. This is supported by another source, which states that the Stihl dealer told them that the gas could last two years, although they didn't recommend it.
The storage life of petrol is one year when stored under shelter in a sealed container. Once a seal is broken, the fuel has a storage life of six months at 20°C or three months at 30°C.
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Gas with ethanol
If you're using a trimmer with a two-cycle engine, you'll need to mix gas and oil. It's important to only mix small amounts at a time, as old gas can cause problems with starting and performance. Leftover gas can be mixed with fresh gas and used in a tractor or push mower.
Some trimmers, such as the Stihl, have excellent motors that can last for years. However, it's still important to follow best practices when it comes to gas and oil mixtures to ensure optimal performance.
Converting a gas string trimmer to power a model boat is a popular hobbyist activity. It's a relatively simple process, but it's important to be aware of the potential challenges, such as ensuring the correct gas and oil mixture and dealing with old gas.
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Converting a trimmer to a boat motor
Firstly, it's important to note that old gas in 2 strokes will cause problems, such as gumming up the carb and making for hard starting and poor performance. If you're using mixed gas, it's best to make small amounts at a time, depending on how often you use it. For example, mixing a 1/2 gallon 2-3 times a year is recommended. It's also important to find gas without ethanol, as this eats away at the soft parts of the carbs.
When converting a trimmer to a boat motor, you'll need to consider the type of trimmer you have and the specific boat you want to power. The process will vary depending on these factors. It's also important to note that not all trimmers are suitable for conversion, and attempting to do so could damage the trimmer or boat.
- Consult a professional or experienced hobbyist for advice on the specific trimmer and boat you're working with.
- Obtain the necessary parts and tools for the conversion. This may include a new propeller, mounting hardware, and fuel system modifications.
- Carefully disassemble the trimmer, following any manufacturer instructions or online guides specific to your model.
- Modify the trimmer's fuel system to accommodate the boat's fuel requirements. This may involve changing the fuel line, fuel filter, and/or carburettor.
- Install the trimmer's engine into the boat, ensuring a secure and stable fit.
- Connect the trimmer's engine to the boat's propulsion system, such as a propeller or jet drive.
- Test the setup on land before attempting to use it in the water.
It's important to note that converting a trimmer to a boat motor may void warranties and could be dangerous if not done properly. Always prioritize safety and consult experts when in doubt.
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Trimmer performance issues
It is important to use the correct type of fuel for your trimmer. Using mixed boat gas in a trimmer may work, but it is not recommended as it can cause performance issues. Mixed boat gas is typically a lower grade of fuel than what is recommended for trimmers, and it may contain ethanol, which can damage the trimmer's carburettor.
Additionally, old gas, especially in 2-stroke engines, can cause performance issues. It can gum up the carburettor, making it difficult to start the engine and resulting in poor performance. It is recommended to use fresh fuel and to mix only small amounts at a time, depending on how often you use the trimmer.
If you are experiencing performance issues with your trimmer, it is important to check the fuel and ensure it is fresh and of the correct type. You may also need to clean or replace the carburettor if it has become gummed up with old fuel.
It is worth noting that some trimmer models, such as the Stihl, are known for their durability and long-lasting performance. However, even with a high-quality trimmer, it is important to follow proper fuel mixing and storage guidelines to ensure optimal performance.
Finally, if you are considering converting a gas string trimmer into a gasoline-powered boat motor, it is important to be aware of the potential challenges and frustrations involved in the process. While it is possible to convert a trimmer motor for boat use, it requires careful planning and knowledge of the necessary modifications. Seeking guidance from experienced hobbyists or professionals can help reduce the risk of performance issues and other problems.
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Frequently asked questions
Yes, mixed boat gas can be used in a trimmer. However, it is recommended to only use small amounts at a time, depending on how often you use it.
Mixed gas can last up to 2 years. However, it is recommended to use it within 6-8 months, as it may cause problems with the trimmer's performance.
Old mixed gas can gum up the carb, making it hard to start the trimmer and resulting in poor performance.
It is recommended to use gas without ethanol, as ethanol can eat away at the soft parts of the carbs.
Yes, it is possible to convert a gas string trimmer to power a boat. Hobbyists have been doing this for 25 years. However, it can be a frustrating process if you are not familiar with the conversion process.
