
Honda and Tohatsu are two well-known brands in the outboard motor industry. Honda motors are known for their reliability, while Tohatsu offers a great motor at a lower price point with an often better warranty. While the two brands have their unique features, there are some similarities, and it is possible that specific parts may be compatible between the two. For example, a user on a boating forum noted that the female plastic Honda connector fits perfectly onto their Tohatsu fuel tank. However, another user on the same forum thread noted that the connections on their Honda tank did not fit their Tohatsu engine, and they were seeking advice on whether they needed to purchase a new setup. This suggests that while there may be some compatibility between Honda and Tohatsu fuel tank components, it is not a given, and modifications or replacements may be necessary for a proper fit.
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What You'll Learn

Honda and Tohatsu fuel tank connectors
Honda and Tohatsu fuel tanks have different connectors. The male connectors on Honda and Tohatsu tanks look identical, but the female metal Tohatsu connector does not fit the Honda tank. However, the female plastic Honda connector fits the Tohatsu tank. The Honda connection is about 3mm longer than the Tohatsu connection, so it won't clip in. The valve and ball on the Tohatsu connection sit almost flush, while there is a slight lip on the Honda connection.
Tohatsu fuel tanks are constructed of high-quality plastic and are UL approved. They come in 25-liter (6.6 US gallon) and 12-liter (3.1 US gallon) sizes and include fuel connectors. The male connector is located on the tank side for fuel hose attachment, while the female connector fits the engine end of the fuel hose for quick connection and disconnection.
Honda fuel tanks, on the other hand, may have different connector designs depending on the model. Some Honda tanks may have female connectors that are compatible with Tohatsu tanks, as mentioned earlier. However, it is important to note that the compatibility of fuel tanks and connectors between Honda and Tohatsu may vary across different models and years.
When considering using a Honda fuel tank on a Tohatsu engine, it is essential to examine the specific connectors on both the tank and the engine. The connectors must match and securely attach to ensure a safe and proper fuel delivery system. In some cases, it may be possible to swap or modify the connectors to achieve compatibility. However, it is always advisable to consult with a marine mechanic or a dealer to ensure the correct setup and avoid potential issues.
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Using a Honda fuel tank with a Yamaha outboard engine
Honda and Tohatsu fuel tanks have similar male connectors, but the female connectors are different. The female metal Tohatsu connector will not fit a Honda tank, but the female plastic Honda connector fits a Tohatsu tank. The Honda connection is about 3mm longer than the Tohatsu, so it won't clip in. However, the Honda connector can be modified to fit the Tohatsu tank by filing down the lip on the Honda connector.
It is possible to use a Honda fuel tank with a Yamaha outboard engine. While the connections are different, a Yamaha connector can be purchased and the line cut to replace the connector to the engine. This allows the existing tank and fuel line to be used, rather than buying a whole new setup.
It is important to note that the Honda 15hp and Tohatsu 15hp engines are different. The Honda 15hp weighs 104 lbs, has a carburetor, and displaces 350cc. On the other hand, the Tohatsu 15hp weighs 95 lbs, is fuel-injected, and displaces 333cc. Tohatsu manufactures motors for other brands with lower horsepower, and some higher horsepower Tohatsu engines are rebranded Honda motors.
To summarise, it is possible to use a Honda fuel tank with a Yamaha outboard engine by modifying the connectors. However, it is important to consider the differences between the Honda and Tohatsu engines, as they may have different performance characteristics and maintenance requirements.
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Honda vs Tohatsu 15 hp outboard
Honda and Tohatsu are both well-known brands in the outboard motors market. While Honda is known for its reliability, Tohatsu has a reputation for offering great motors at a lower price and with better warranties.
When it comes to their 15 hp outboard motors, there are some notable differences. The Honda 15 hp outboard weighs 104 lbs, has a displacement of 350cc, and features a carburetor. On the other hand, the Tohatsu 15 hp outboard weighs 95 lbs, has a displacement of 333cc, and is fuel-injected. The weight difference may be a factor for some users, as the Tohatsu is almost 10 lbs lighter.
The fuel delivery system is another key difference between the two motors. The Honda uses a carburetor, which some users may prefer as it is easier to work with and more familiar. In contrast, the Tohatsu features electronic fuel injection (EFI), which is known for its reliability and requires less maintenance. The EFI system on the Tohatsu is so reliable that some users have never had to work on it, and the only fuel system maintenance needed is to drain the vapor separator for off-season storage.
In terms of value, the Tohatsu 15 hp outboard is considered a better option. Not only is it more affordable upfront, but it also offers a better warranty than its competitors, including Honda. Additionally, the Tohatsu 15 hp outboard is slightly more powerful, with a higher horsepower rating, and is also likely to be more fuel-efficient due to its fuel injection system.
However, it's important to note that some users have reported issues with the Tohatsu motor requiring warranty work, and some have expressed their dislike for the motor. On the other hand, Honda motors are known for their reliability, and while they may be heavier, some users prefer them for their ease of use and familiarity. Ultimately, the decision between the Honda and Tohatsu 15 hp outboard motors depends on individual preferences, budget, and specific needs.
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Honda and Tohatsu fuel tank capacities
Honda and Tohatsu are two well-known brands in the outboard motor industry. When it comes to fuel tank capacities and compatibility between the two brands, there are some key considerations to keep in mind.
Firstly, it is important to understand the differences between Honda and Tohatsu fuel tanks. Honda fuel tanks are known for their build quality and are often made with lightweight, non-corrosive materials. They come in various sizes, including 25-liter (6.6-gallon) and 12-liter (3.1-gallon) options, ensuring flexibility for different use cases. On the other hand, Tohatsu fuel tanks are constructed of high-quality plastic and are UL-approved. Tohatsu offers fuel tanks in similar capacities, including 25-liter (6.6-gallon) and 12-liter (3.1-gallon) sizes.
When considering using a Honda fuel tank on a Tohatsu outboard, it is essential to examine the compatibility of the connectors. In a forum post, a user with two main 25L Honda tanks and a 12L Tohatsu auxiliary tank noted that the male connectors on all three tanks appeared identical. However, they observed that the female metal Tohatsu connector did not fit the Honda tanks perfectly, while the female plastic Honda connector worked well with the Tohatsu tank. This suggests that while there are similarities in the connections, modifications or adjustments might be necessary to ensure a proper fit.
It is worth noting that some boaters and enthusiasts have shared their experiences using Honda and Tohatsu fuel tanks interchangeably. In a boating forum discussion, an individual mentioned their intention to purchase a replacement connector for their Honda/Tohatsu/Nissan engine, indicating that these brands may share similar fuel tank connections. Additionally, another user commented that they believed Honda and Tohatsu to have the same fittings, further reinforcing the idea that the fuel tanks might be compatible across the two brands.
However, it is always advisable to exercise caution when modifying or adapting fuel tanks and their connectors. While the connections between Honda and Tohatsu fuel tanks may be similar, slight differences could impact the overall performance and safety of the outboard motor. It is recommended to consult with marine mechanics or seek advice from authorized dealers before making any modifications or substitutions.
In conclusion, while there may be some physical similarities between Honda and Tohatsu fuel tanks, and limited interchangeability of parts, it is important to prioritize safety and compatibility. Ensuring that all connections are secure and compatible is crucial to prevent fuel leaks and potential engine damage. Therefore, consulting with experts or authorized service centers is highly recommended before making any modifications or substitutions to your Honda or Tohatsu fuel tank setup.
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Fuel tank setup for Tohatsu 4-stroke
Setting up the fuel tank for a Tohatsu 4-stroke engine requires careful consideration of the tank's configuration and connections. Here is a comprehensive guide to help you through the process:
The Tohatsu 4-stroke engine can be equipped with either an internal tank or an external tank, and some models even offer a dual-tank setup. The fuel setup will depend on whether you are using an internal tank, an external tank, or both.
When using an internal tank, it is important to ensure that the fuel cock is properly configured. The fuel cock on the port side of the engine is closed when horizontal and open when vertical. This allows fuel to flow from the internal tank to the engine. Make sure the onboard vent is also open to ensure proper ventilation during operation.
If you are using an external tank, the setup is slightly different. To run the engine on the external tank, close the fuel cock. This prevents fuel from flowing out of the external tank and ensures that the engine draws fuel only from the internal tank. Keep in mind that running solely on the internal tank may eventually cause the engine to suck air and stall, especially if the external tank is below the motor's tank.
When using both the internal and external tanks, be cautious to avoid overflow. The external tank can be used to fill the internal tank if the fuel cock is open. However, most people prefer to disconnect the fuel primer hose when running solely on the internal tank to prevent accidental draining into the external tank. Additionally, ensure that the check valve is functioning properly to regulate fuel flow between the tanks.
Tohatsu offers a range of fuel tank accessories and connectors to facilitate a proper setup. Their fuel tanks are constructed from high-quality, lightweight, and non-corrosive materials. They feature male and female connectors for easy attachment to the engine and quick connect and disconnect of the fuel hose. The tanks also have built-in primer bulbs and ergonomic carrying handles for convenience.
It is worth noting that while Honda and Tohatsu tanks have similar connectors, there may be slight differences. Some users have reported that the female metal Tohatsu connector does not fit the Honda tanks, but the female plastic Honda connector can fit the Tohatsu tank. Therefore, it is essential to carefully inspect and, if needed, modify the connectors to ensure a proper fit.
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Frequently asked questions
No, the female connector on the Honda fuel tank will not fit the Tohatsu engine. However, the female connector on the Tohatsu fuel tank can fit the Honda engine.
Honda 15hp engines weigh 104 lbs, displace 350cc, and have a carburetor. Tohatsu 15hp engines weigh 95 lbs, displace 333cc, and are fuel-injected.
Tohatsu offers fuel tanks in 25 liter (6.6 U.S. gallons) and 12 liter (3.1 U.S. gallons) sizes.
Tohatsu fuel tanks are constructed of high-quality, lightweight, non-corrosive, composite materials. They are also translucent, allowing users to see the fuel level and are designed with a wide, stable base to prevent tipping.
The male connector is located on the engine side, while the female connector fits the fuel tank end of the hose. The connectors allow for quick connect and disconnect.










































