Mercedes Mullins
Pontoon boats are available in various sizes, and the location of the fuel tank varies depending on the model. For example, some fuel tanks are located under the rear seats, while others are mounted inside the transom. The fuel tank's placement is crucial for weight distribution, and some tanks are designed to fit under the seats while allowing for additional storage space. The fuel tank's capacity also varies, with options ranging from 12-gallon tanks to 27-gallon or 55-gallon tanks for larger boats.
| Characteristics | Values |
|---|---|
| Fuel tank capacity | 12 gallons, 21 gallons, 27 gallons, 55 gallons |
| Fuel tank location | Under the rear seats, inside the transom, inside the motor pod between the outboard and the fence on the stern swim platform, below deck, inside the center toon in-floor storage |
| Fuel type | Non-ethanol fuel, not exceeding E10 |
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What You'll Learn
Fuel tank location depends on weight distribution
The fuel tank location on a pontoon boat depends on several factors, one of the most important being weight distribution. A pontoon boat's performance is sensitive to weight distribution, so it is essential to consider where the fuel tank is placed in relation to other components and the overall weight balance of the boat.
For example, if you have a 20-foot pontoon boat, like the one mentioned in the forums, you will need to carefully consider the placement of the fuel tank and battery to ensure optimal weight distribution. The original poster mentioned that the battery and fuel tank were located under the rear seats, but they wanted to explore alternative arrangements during the restoration.
One suggestion was to move the playpen forward, creating more space at the back of the boat for the fuel tank and battery. This option would provide more floor space and potentially improve weight distribution by distributing the weight of the fuel and battery across a larger area.
Another suggestion was to select a fuel tank with a shape that better suits the desired location. For instance, a tall, thin tank could be placed behind the playpen if it were shifted forward slightly. This option would keep the weight of the motor, fuel, and battery at the back of the boat, which may or may not be desirable depending on the specific weight distribution needs.
Additionally, it is possible to choose a tank that fits under the seats while still allowing for some storage space above it. This option could help distribute weight more evenly throughout the boat, especially if the fuel tank is located near the centre of the vessel. A remote filler could be added to minimise the inconvenience of having the tank under a seat.
In conclusion, when determining the fuel tank location on a pontoon boat, weight distribution is a crucial factor to consider. By evaluating the specific dimensions and needs of your boat, you can select a fuel tank location that optimises weight distribution and overall boat performance.
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Fuel tank capacity and refilling
The fuel tank capacity of a pontoon boat varies depending on the size of the boat and the manufacturer. Most modern pontoon boats have a fuel capacity ranging from 20 to 35 gallons, with some boats having even larger capacities. The fuel tank may be located under the motor pod between the outboard and the fence on the stern swim platform. Some pontoon boats have smaller fuel tanks of around 6 gallons, which may not be sufficient for longer trips.
To increase the fuel capacity of a pontoon boat, some owners choose to replace the existing tanks with larger ones or add additional portable tanks. 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. When refilling portable fuel containers, it is important to do so on a stable surface like the pavement or dock to prevent the build-up of static electricity and potential sparking. It is also recommended to use a funnel to prevent contaminants from entering the fuel tank.
When refuelling a pontoon boat, it is important to follow safety procedures. This includes clearing the area of anyone not involved, securing the boat to the dock, turning off the engine and electronics, and extinguishing open flames. It is also recommended to avoid topping off the tank and to only fill it to about 90% as fuel expands as temperatures rise. Additionally, it is important to know the octane rating and whether a fuel stabilizer is required for your specific boat.
To determine the fuel capacity of your pontoon boat, you can measure the length, width, and height of the tank in inches and use the formula LxWxH/231 to calculate the volume in gallons. Alternatively, you can pump the tank empty and refill it, noting the number of gallons required.
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Gas cap location
The gas cap location on a pontoon boat depends on the boat's make and model, as well as the preferences of the boat owner. Some common locations for the gas cap and fuel tank on a pontoon boat include:
Under the Rear Seats
The fuel tank and battery on some pontoon boats are located under the rear seats. While this location can provide easy access to the gas cap, some boat owners may prefer not to utilise this space for fuel storage, opting to use it for other purposes, such as additional seating or storage.
Within the Motor Pod
On some boats, the gas cap is located within the motor pod, specifically between the outboard and the fence on the stern swim platform. This location is typically accessible from the rear of the boat.
External Fuel Tank
Some pontoon boats may have an external fuel tank located inside the aluminium walls of the boat, near the stern door. This location can provide additional security against gas theft, as it requires thieves to leave their boat.
Below Deck
In some cases, the fuel tank on a pontoon boat may be mounted below deck, either inside the transom or in a dedicated compartment. This location can provide easy access to the gas cap from the rear of the boat while keeping the fuel tank out of the way.
Custom Fabrication
In some instances, boat owners may choose to fabricate a custom platform or compartment to hold the fuel tank. This could involve using materials such as angle-aluminum and marine plywood to create a secure and stable platform for the tank, which can be enclosed or left exposed.
It is important to note that the location of the gas cap and fuel tank on a pontoon boat can vary, and it is always best to refer to the specific instructions and guidelines provided by the boat manufacturer or a qualified marine technician for personalised advice.
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Fuel tank removal
The fuel tank on a pontoon boat is typically located within the motor pod between the outboard and the fence on the stern swim platform. To remove the fuel tank from a pontoon boat, you will need to follow these steps:
Step 1: Remove the engine
Turn off the engine and ensure that all electronics connected to the engine are also turned off. This step is crucial to ensure safety during the fuel tank removal process.
Step 2: Drop the center pod
After the engine has been removed, you will need to drop the center pod by removing the bolts that hold it in place from underneath. Once the bolts are removed, you can carefully lower the center pod to access the fuel tank.
Step 3: Disconnect the fuel lines
Before removing the fuel tank, you must disconnect any fuel lines that are attached to it. This may involve unhooking hoses or fuel senders that are connected to the tank. It is important to have a container ready to catch any remaining fuel that may spill out during this process.
Step 4: Remove the fuel tank
With the engine, center pod, and fuel lines out of the way, you can now carefully remove the fuel tank. Depending on the model of your pontoon boat, the tank may be bolted or glued into place, so you will need to use the appropriate tools and techniques to remove it safely.
Step 5: Dispose of the old fuel
Properly dispose of any remaining fuel in the tank and ensure that the area is clean and free of any fuel residue before proceeding.
Step 6: Install a replacement tank
Finding a replacement fuel tank for a pontoon boat can be challenging. In most cases, you will need to source a compatible tank from an authorized dealer or manufacturer. Ensure that the new tank is securely installed and all connections are tight to prevent leaks.
Step 7: Reattach the center pod and engine
Once the new fuel tank is in place, you can reattach the center pod and securely bolt it into place. Finally, reinstall the engine and connect all the necessary fuel lines, ensuring that all connections are secure and properly sealed.
It is important to note that fuel tank removal and installation can be complex, and it is always recommended to consult a certified technician or mechanic if you are unsure about any part of the process. Additionally, always refer to your boat's owner's manual for specific instructions and safety precautions related to your particular model of pontoon boat.
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Fuel type and maintenance
Pontoon boats are available with different fuel tank capacities. Bi-toons have a 27-gallon fuel tank, while tritoons have a 55-gallon fuel tank. The gas cap is typically located within the motor pod, between the outboard and the fence on the stern swim platform.
When it comes to fuel type, some boaters prefer to use non-ethanol fuel in their pontoon boats. It is recommended not to exceed E10 as the fuel system components may not be designed to handle the corrosive effects of an ethanol blend higher than 10%. Ethanol attracts water and can absorb moisture from the marine environment, potentially causing damage to the engine. Therefore, it is best to avoid ethanol blends whenever possible when fueling your pontoon boat.
Now, let's discuss some important maintenance tips for your pontoon boat:
- Regularly inspect the engine, paying close attention to fuel lines, belts, and hoses. Consult your boat's manual or a professional technician if you have any concerns.
- Change the oil and filters at regular intervals as recommended by the manufacturer. This is similar to the maintenance of a car engine.
- Ensure you are using the correct type of fuel and be mindful of fuel additives. Keep the fuel tank full to minimize condensation, which can lead to engine issues.
- If you live in a region with cold winters, proper winterization is crucial. This includes draining the water systems, adding antifreeze, and storing your boat in a dry, covered area. You can refer to the manufacturer's guidelines or consider hiring professional winterization services if you are unfamiliar with the process.
- For new engines, maintenance is typically required after a certain number of hours to clear out any shakedown from the initial break-in period. For example, some pontoon boats require maintenance after the first 100 hours of operation, which may include an oil change, battery inspection, and prop shaft lubrication.
- At the end of each boating season, prepare the boat and engine for storage. Clean the exterior and interior of the boat, and perform winterization on the engine by adding a stabilizer to the fuel tank and running the engine to circulate the stabilizer.
- Some basic fueling tips include refilling portable fuel containers on a stable surface like pavement or a dock to prevent static electricity buildup. Always keep the nozzle in contact with the tank opening to prevent sparking.
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Frequently asked questions
The fuel tank on a pontoon boat can be located in various places, such as under the rear seats, inside the transom, or even inside the motor pod. The location of the fuel tank may depend on the make and model of the boat, as well as personal preferences for weight distribution and convenience.
To remove the fuel tank from a pontoon boat, you typically need to remove the engine and drop the center pod by removing the bolts underneath. After that, you can separate the center pod and take out the fuel tank.
Yes, it is possible to move the fuel tank to a different location on your pontoon boat. Some people choose to relocate the fuel tank to maximize space or improve weight distribution. You can consider fabricating a platform between the engine pod and one of the logs to hold the fuel tank, or consult with boat builders and experts for advice on your specific boat model.
