Rajan Wilcox
The Boston Whaler 170 Montauk is a 17-foot multi-purpose center console boat. While the 170 Montauk comes with a 25-gallon fuel tank, some users have reported issues with adding fuel due to improper venting. This has led some owners to consider adding more fuel tanks to their boats. The process of installing additional fuel tanks can be complex and requires careful consideration of factors such as tank size, clearance for fittings and vents, and compliance with safety regulations.
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What You'll Learn
- The 170 Montauk's 25-gallon fuel tank can be replaced with a 22-gallon tank
- Venting issues can be resolved by altering the boat's trim during fuelling
- A 12-gallon aluminium tank can be purchased for under-the-RPS
- A single 24-gallon tank is cheaper than two 12-gallon tanks
- Portable fuel tanks are defined as having a capacity of less than 7 gallons
The 170 Montauk's 25-gallon fuel tank can be replaced with a 22-gallon tank
The 170 Montauk is a 17-foot centre console boat with a 25-gallon fuel tank. While the boat is unsinkable, some users have reported issues with refuelling. This is due to the design and venting of the fuel tank, which can cause fuel to spill over when attempting to fill a quarter-full tank. To address this issue, the EPA has recommended altering the trim on the boat during fuelling. However, this is not a permanent solution as it does not eliminate all problems associated with refuelling.
One possible solution to the refuelling problem is to replace the 25-gallon fuel tank with a 22-gallon tank. The Moeller 22-gallon above-deck fuel tank is specifically designed to replace OEM tanks on Boston Whaler Montauk boats. It is made from marine-grade, cross-linked polyethylene and is compliant with USCG, NMMA, and ABYC standards. The tank includes several features that make it easy to use, such as a mechanically vented cap that floats and has a ribbed design for easy grip. The 360-degree swivel withdrawal elbow ensures a tight seal, while the fill neck is designed for easy access.
When considering this replacement, it is important to carefully study the dimensions and fittings of the tank. The 22-gallon tank should fit easily under the RPS, with adequate clearance for vents, fittings, and the fuel fill neck. Additionally, it is crucial to consider the routing of the fuel line to avoid any kinking or contortion issues.
The Moeller 22-gallon tank has been reported to work well in the 170 Montauk, with no problems reported with hose routing or fuel fill. The fuel gauge is visible and helpful, although some users have mentioned a minor weep at the fuel withdrawal fitting, which can be tightened to resolve the issue. Overall, the 22-gallon tank can be a suitable replacement for the 25-gallon tank in the 170 Montauk, providing a positive upgrade experience.
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Venting issues can be resolved by altering the boat's trim during fuelling
The Boston Whaler 170 Montauk is a 17-foot, multi-purpose, inshore center console boat. Its 25-gallon fuel tank can be difficult to fill due to improper venting. This issue can be attributed to the boat's trim during fuelling, which can block the vent. The problem is exacerbated by the weight of the outboard engine, which is positioned at the back of the hull, causing the boat's trim to be down-by-the-stern. This means that as the fuel level increases, there will be no flow of fuel into the tank, and fuel will back up in the filler tube.
To resolve this issue, it is recommended to alter the boat's trim during fuelling by placing weight in the bow. This can be achieved by having someone stand in the bow while refuelling. Additionally, it is important to ensure that the vent is not clogged or blocked. The vent hose should be inspected for any sags or traps that can cause fuel to puddle and block the vent. It is also crucial to keep the fuel vent screen clean, as corrosion, salt crystals, and grime can build up over time, impairing the vent's ability to function properly.
Another factor to consider is the design of the fuel tank filler inlet, which is located at the aft end of the tank. This positioning can contribute to the backup of fuel in the filler tube as the fuel level increases. By altering the boat's trim during fuelling, the backup of fuel can be reduced, allowing for a smoother fuelling process.
Furthermore, it is important to note that EPA-mandated evaporative emissions regulations have also played a role in the venting issues. The transition from open-air vents to contained non-vented tanks has created new challenges in adding fuel to the tank. However, these problems can generally be overcome by adjusting the boat's trim during fuelling and ensuring proper maintenance of the venting system.
In summary, venting issues in the Boston Whaler 170 Montauk can be effectively resolved by altering the boat's trim during fuelling, placing weight in the bow, and ensuring proper maintenance and cleanliness of the venting system. By following these measures, boat owners can ensure a smoother and safer fuelling process.
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A 12-gallon aluminium tank can be purchased for under-the-RPS
The Boston Whaler 170 Montauk is a multi-purpose 17-foot inshore centre console boat with a 25-gallon fuel tank. However, due to its size and performance, a greater fuel capacity is often required.
One way to increase fuel capacity is to purchase and install additional fuel tanks, such as the 12-gallon aluminium tank available from Mirax Fuel Products. This tank can be placed under the RPS (rear passenger seat) and offers several advantages. Firstly, it is easier to slide a full 12-gallon tank under the RPS compared to larger tanks, which may have clearance issues. Secondly, the smaller size means it can be swapped out quickly when empty, allowing for uninterrupted operation.
When installing a 12-gallon tank under the RPS, it is essential to consider the fuel hose routing. A common method involves drilling a one-inch-diameter hole in the deck, two to three inches aft of the rear wall of the tank, to allow the fuel hose to enter the rigging tunnel. It is recommended to use marine sealant and a short piece of brass tube to finish the hole and protect the hose.
Additionally, you may need to raise the tank slightly to ensure adequate clearance for the hose. This can be achieved using plastic decking material or deck boards to lift the tank about one inch higher. It is also important to secure the tank safely using straps and non-skid material to prevent shifting during operation.
By following these steps and considerations, you can successfully install a 12-gallon aluminium tank under the RPS of your 170 Montauk, providing increased fuel capacity and flexibility during your boating adventures.
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A single 24-gallon tank is cheaper than two 12-gallon tanks
The Boston Whaler 170 Montauk is a 17-foot, multi-purpose, inshore centre console boat. It is a popular choice for fishing, cruising, and family outings. While the boat comes with a standard 25-gallon fuel tank, some owners opt for additional fuel tanks to extend their range or as a backup in case of leaks.
When considering adding fuel tanks to the 170 Montauk, one option is to install a single 24-gallon tank. This provides a larger fuel capacity than the standard tank, allowing for longer trips without refuelling. A single 24-gallon tank is generally cheaper than two 12-gallon tanks, as it requires less hardware and installation is simpler. Additionally, a single tank can be more space-efficient, leaving more room for other equipment or storage.
However, there are a few considerations to keep in mind. Firstly, refuelling a single large tank may be more challenging than refuelling multiple smaller tanks. If the tank is not easily accessible, it may require specialised equipment or techniques to refuel. Additionally, weight distribution becomes more critical with a single large tank. Placing the tank too far aft can affect the boat's trim, impacting performance and making refuelling difficult.
In contrast, opting for two 12-gallon tanks provides the advantage of flexibility. These smaller tanks are easier to remove and refuel individually, especially if you need to transport them to a gas station. Additionally, having two tanks allows for better weight distribution, which can improve the boat's handling and performance. However, it is important to consider the space requirements for two tanks, as well as the potential aesthetic impact on the boat's design.
Ultimately, the decision between a single 24-gallon tank and two 12-gallon tanks depends on specific needs and preferences. While a single large tank is cheaper and provides more fuel capacity, multiple smaller tanks offer flexibility, ease of refuelling, and improved weight distribution. It is essential to carefully consider factors such as refuelling convenience, space availability, and desired range before making a decision.
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Portable fuel tanks are defined as having a capacity of less than 7 gallons
The Boston Whaler 170 Montauk is a 17-foot, multi-purpose, inshore centre console boat. It comes with an integrated 25-gallon fuel tank. However, some users have reported problems with refuelling the 170 Montauk. The issue appears to be related to improper venting, which can be caused by the boat's trim and the position of the fuel tank filler inlet.
To address this issue, some owners have suggested altering the trim of the boat during fuelling. This can be done by having someone stand in the bow of the boat to balance the weight or by ensuring that the boat's vent is not clogged or blocked.
In terms of portable fuel tanks, there are specific regulations and requirements outlined in the Electronic Code of Federal Regulations (e-CFR) for their use and transportation. While the definition of a "portable tank" is not explicitly stated in terms of capacity, there are references to portable tanks with capacities of 1,500 gallons and 1,980 gallons in the e-CFR.
Therefore, it can be assumed that portable fuel tanks can have a capacity of more than 7 gallons, as the regulations cover tanks with significantly larger capacities. However, it is important to note that the regulations for portable tanks vary depending on their capacity and the type of contents they carry. For example, portable tanks containing hazardous materials must meet specific requirements, such as having a pressure relief device and complying with filling density restrictions.
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Frequently asked questions
The 170 Montauk comes with a standard 25-gallon fuel tank.
Some owners have reported problems with adding fuel to the 170 Montauk due to improper venting. This can cause issues such as fuel spillage or a reduced rate of fuel flow into the tank.
To address issues with adding fuel, it is recommended to alter the trim on the boat during fueling. Placing weight in the bow and ensuring the vent is not clogged can also help with venting issues.
There are several options for adding more fuel tanks to the 170 Montauk. You can install a Pate Plastics tank, a Mirax aluminum fuel tank, or a Todd Enterprises 11-gallon polyethylene tank. Ensure you carefully study the dimensions and clearance requirements for each option.
