Finding a compact auxiliary fuel tank can extend range and simplify on-the-go servicing. The following five products represent compact solutions suitable for motorcycles, ATVs, boats, and light equipment. Each option emphasizes portability, ease of installation, and practical fueling features to support longer trips or routine carburetor work.
| Product | Brand | Capacity | Use Case |
|---|---|---|---|
| TAURISH Auxiliary Fuel Tank | TAURISH | 300 ml | DIY servicing, carb balancing, motorcycles and small engines |
| WINTOWIN Auxiliary Gas Fuel Tank | WINTOWIN | 1000 ml | Extended trips, motorcycles, light travel storage |
| MOTO4U Auxiliary Gas Fuel Tank | MOTO4U | 1 L | Universal fit, multiple vehicle types, easy connections |
| BikeMaster Auxiliary Fuel Tank | BikeMaster | Small to mid-size capacity | Carburetor tuning and tank-off servicing |
| RDS MFG INC Rectangular Auxiliary Fuel Tank 20 Gal | RDS MFG INC | 20 gal | Compact for larger vehicles, durable aluminum build |
TAURISH Auxiliary Fuel Tank for Carbs and Servicing
TAURISH offers a compact 300 ml auxiliary fuel tank designed for carburetor balancing and basic fuel tasks. The tool is marketed as suitable for motorcycles, cars, trucks, boats, tractors, and other equipment, emphasizing its use as a top-access fuel component during engine servicing. It includes a handy handlebar strap and embossed measuring lines for precise dosing. The unit is positioned as a must-have for DIY servicing and tuning workflows.
RDS MFG INC 71083 Rectangular Auxiliary/Transfer Fuel Tank
This 45 gallon-capacity rectangular tank from RDS MFG INC is positioned as a versatile auxiliary fuel solution with fully welded seams for durability. It supports gasoline auxiliary fueling when siphoned from the top using an electric fuel pump, offering a robust option for larger vehicles or equipment that require reliable extra fuel capacity.
BikeMaster Auxiliary Fuel Tank
BikeMaster’s compact auxiliary tank is explicitly designed for carburetor tuning workflows. It supports synchronization work with the stock tank removed, and it is marked with standard and metric measurements to aid precise refueling and testing during adjustments. This option emphasizes a portable, temporary fuel source for on-bike maintenance tasks.
WINTOWIN Auxiliary Gas Fuel Tank 1L
WINTOWIN supplies a general 1L auxiliary tank, aimed at riders seeking extended travel without frequent refueling. Made from ABS, it features a clear scale for monitoring, a broad filler cap for easy refueling, and a brass petcock valve with a long hose, enabling straightforward operation across motorcycles, mowers, and similar platforms. The kit emphasizes reliability and expanded journey capability.
RDS MFG INC 74551 20 Gal Rectangular Tank
This 20-gallon rectangular auxiliary fuel tank by RDS MFG INC emphasizes robust construction with 100% pressure testing and fully welded seams. It includes heavy-duty aluminum mounting brackets, making it a practical option for users needing a compact yet durable supplemental fuel solution for mid-range vehicles or equipment.
Buying Guide
Purpose and capacity: Choose a size that aligns with your typical travel distance or servicing needs. Very small tanks (a few hundred milliliters) are best for on-the-spot carb work, while 1–20 gallon tanks suit longer journeys or larger vehicles without frequent refueling.
Material and durability: Aluminum and ABS are common, with welded seams offering durability for vibration-prone environments. Consider corrosion resistance if you operate in harsh conditions or with ethanol-blended fuels.
Fittings and compatibility: Look for standard hose sizes, removable lids, and clear scale indicators. Ensure compatibility with your engine type (carburetor vs. fuel-injected) and mounting options for safe installation on motorcycles, boats, or utility vehicles.
Installation and maintenance: Kits should include valves, petcocks, and hoses of sufficient length. Quick-connect fittings and clear instructions reduce install time and maintenance requirements during field use.
Usage scenarios: For carburetor tuning, select tanks that allow easy access while the main fuel tank is removed. For extended trips, prioritize higher capacity models with durable fittings and secure mounting options.
Price-to-value: Smaller tanks are affordable upgrades for maintenance workflows and backup fueling, while mid-range options offer a balanced mix of capacity and portability for a variety of vehicles.