
Pontoon boats typically have a fuel capacity of 20-50 gallons, with some models ranging from 12 to 34 gallons. The fuel capacity of a boat is an important consideration as it determines the boat's ability to undertake long journeys. Fuel capacities vary depending on the type and size of the boat, with small boats typically storing around 5 gallons of fuel and large yachts capable of carrying over 250,000 gallons. Boat owners often add or replace fuel tanks to increase their vessel's range, and portable tanks are a popular option for pontoon boats.
| Characteristics | Values |
|---|---|
| Fuel capacity of boats | Small boats: 5 gallons, Medium-sized boats: 20-50 gallons, Large yachts: over 250,000 gallons |
| Fuel capacity of pontoon boats | 12-24 gallons, can be increased with portable tanks |
| Fuel usage of pontoon boats | 3.6-5 gallons per hour, depending on speed |
| Fuel tank capacity of Bennington pontoon boats | 24-34 gallons |
| Fuel tank capacity of Veranda Luxury Pontoon Boats | Bi-toons: 27 gallons, Tritoons: 55 gallons |
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What You'll Learn

Fuel capacity depends on boat size
The fuel capacity of a pontoon boat depends on its size. The bigger the boat, the larger its fuel tank.
Small boats, such as jet skis and small fishing vessels, typically have fuel capacities between 5 and 10 gallons. These smaller capacities are suitable for short trips and recreational activities.
Pontoon boats usually come equipped with two tanks, and their owners often replace one or both with larger tanks or add extra portable tanks to increase fuel capacity. The suggested additional tank size for pontoon boats ranges from 12 to 20 gallons.
The fuel capacity of a Bennington tritoon, for example, ranges from 20 to 30 gallons, while a bi-toon has a 27-gallon tank. A Yamaha performance bulletin for a 90hp 22ft pontoon boat states that at 15mph, it uses 4.2 mpg and 3.6 gallons per hour, while at 3mph, it uses 7.5 mpg and 0.4 gph.
A 22ft pontoon boat with a 50 hp Yamaha engine burns about 5 gallons an hour at top speed. With a 60 horsepower motor, 10-12 gallons would be plenty for a day.
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Pontoon boats often have two tanks
The fuel capacity of boats varies according to their type and size. Small boats, such as jet skis and small fishing vessels, usually have fuel capacities between 5 and 10 gallons. Medium-sized boats may have a fuel capacity of 20 to 50 gallons, while large yachts can carry over 250,000 gallons of fuel.
Pontoon boat owners often opt to replace one or both of the standard tanks with larger ones or add portable tanks to increase their fuel capacity. The suggested additional tank size for pontoon boats ranges from 12 to 20 gallons.
It is important to note that adding larger or additional fuel tanks to a pontoon boat may require additional safety measures, such as adequate ventilation and proper fuel line connections.
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Additional tank sizes: 12-20 gallons
Pontoon boat owners often have two tanks on their boats instead of one. To increase their fuel capacity, many opt to replace one or both tanks with larger ones or add portable tanks. The suggested additional tank size for a pontoon boat ranges from 12 to 20 gallons.
Portable tanks come in a variety of sizes and materials, including plastic, metal, and fiberglass. They can be mounted on the deck or kept in the hull of the boat. It is imperative to ensure that these tanks are securely mounted and properly connected. It is also crucial to regularly inspect the tanks for any signs of wear or damage before each use, as they may not be as durable as permanent tanks.
The size of a boat's gas tank can vary from a few gallons for an outboard engine to 250,000 gallons for a superyacht. The average boat fuel tank capacity is around 40 gallons. The fuel capacity of a boat depends on its type and size. Small boats, such as jet skis and small fishing vessels, typically have fuel capacities between 5 and 10 gallons. Medium-sized boats may have a fuel capacity of 20 to 50 gallons.
Some specific examples of pontoon boat fuel capacities include the Bennington pontoon, which typically has a 24-gallon tank, and the Bi-toon, which has a 27-gallon tank. The tritoon, which is standard on all Veranda Luxury Pontoons, has a 55-gallon fuel tank.
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Fuel efficiency varies by speed
Pontoon boats are generally more fuel-efficient at lower speeds due to their flat hull design and lighter weight compared to V-hull boats. V-hull boats are designed for speed and manoeuvrability, allowing for faster and more dynamic rides. However, this design impacts their fuel efficiency, with higher speeds resulting in more fuel consumption.
A general rule of thumb for outboards is that each 10 HP will burn one gallon per hour. For example, a 150-horse engine will use about 15 gallons per hour. Additionally, 4-stroke outboards are more fuel-efficient than 2-stroke outboards, with 4-stroke motors being up to 50% more efficient with the same horsepower.
To improve fuel efficiency, it is recommended to maintain steady speeds, use modern outboard engine technologies, and practice efficient driving techniques. Maintaining a well-maintained engine is also crucial, including regularly changing spark plugs, inspecting fuel filters and injectors, and ensuring the proper oil level and type.
The fuel efficiency of pontoon boats can also be affected by factors such as load balance, engine horsepower, and navigation route. By optimising these factors and adopting strategic navigation practices, such as shortening routes and being aware of draft and depth, pontoon boat owners can further improve fuel efficiency.
Overall, while pontoon boats may not be known for their speed, they offer advantages in terms of fuel efficiency, especially at lower speeds.
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Fuel tanks: permanent vs portable
The fuel capacity of boats varies according to their type and size. Small boats, such as jet skis and small fishing vessels, usually have fuel capacities between 5 and 10 gallons. Medium-sized boats may have a fuel capacity of 20 to 50 gallons, while large yachts can carry over 250,000 gallons of fuel. The average boat fuel tank holds around 40 gallons of fuel.
Pontoon boats typically come equipped with two tanks, and their owners often replace one or both with larger tanks or add portable tanks to increase their fuel capacity. The suggested additional tank size for pontoon boats ranges from 12 to 20 gallons.
Boat gas tanks can be classified into two types: permanent and portable. Permanent fuel tanks are built into the boat's structure, whereas portable tanks can be added or removed as required. Portable tanks come in various sizes and materials, such as plastic, metal, and fiberglass, and can be mounted on the deck or stored in the hull.
There are several advantages and considerations when it comes to portable tanks. On the one hand, they offer the benefit of increased fuel capacity without permanently altering the boat's design. This flexibility allows pontoon boat owners to customise their fuel setup according to their specific needs. However, it is crucial to ensure that portable tanks are securely mounted and properly connected. Regular inspections of the tanks for any signs of wear or damage are necessary before each use, as portable tanks may not be as durable as permanently installed tanks.
Permanent fuel tanks, on the other hand, offer a more integrated solution. When installing a new permanent fuel tank, it is advisable to also replace old hoses and fuel fittings to ensure a fresh start for the fuel system. West Marine, for example, offers a Fuel Tank Installation Kit that includes a fuel deck fill fitting, a fuel tank vent fitting, and the necessary hoses for installation.
In summary, both permanent and portable fuel tanks have their advantages. Portable tanks offer flexibility and the ability to increase fuel capacity without permanent alterations, while permanent tanks provide a built-in, integrated solution. The choice between the two depends on the specific needs and preferences of the pontoon boat owner, with considerations for durability, installation, and customisation playing a role in the decision-making process.
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Frequently asked questions
The fuel capacity of a pontoon boat depends on its type and size. Pontoon boats typically come equipped with two tanks, and their capacity can range from 12 to 24 gallons per tank. Some larger tritoons can hold up to 55 gallons of fuel.
You can usually find your boat's fuel capacity posted in several places, including the owner's manual, the manufacturer's website, or a tag on the fuel tank itself. If this information is unavailable, you can manually calculate the tank size by measuring cubic inches or filling up an empty tank and recording the number of gallons it takes.
Yes, you can increase the fuel capacity of your pontoon boat by adding portable fuel tanks or replacing the existing tanks with larger ones. The suggested additional tank size for pontoon boats ranges from 12 to 20 gallons. However, ensure that you follow the necessary safety precautions when using portable tanks.










































