Auxiliary Gas Tank Kit – Extended Range Fuel Reserve for Harley Sportster
The Kinetic Auxiliary Gas Tank Kit is a first-of-its-kind bolt-on reserve system engineered specifically for Harley-Davidson Sportsters. Designed and fabricated in-house at our Texas-based facility, this modular fuel solution eliminates the stress of pushing your limits—or your bike—to the next gas station.
Crafted from precision laser-cut steel with all-stainless hardware, this kit offers 3L (0.75 gal) and 5L (1.3 gal) options—extending your range by up to 70 miles depending on displacement. The tank mounts securely using a 4-point locking bracket and requires no drilling or cutting, preserving your frame’s integrity.
Customize it with an optional aluminum heat shield and custom laser engraving. Available in black or red, it’s not just a functional upgrade—it’s also a bold aesthetic enhancement.
Specifications:
Tank Capacity: 3L (0.75 gal) or 5L (1.3 gal)
Extended Range: 45–70 miles (based on model/engine)
Material: Laser-cut steel tank; stainless hardware
Finish Options: Red or black powder-coated tanks
Mount Type: 4-point locking bolt-on bracket
Extras:
Built-in filler tube
Optional aluminum heat shield
Optional lock & key
Optional custom engraving (heat shield only)
No cutting/drilling required
The Kinetic Auxiliary Gas Tank Kit is a first-of-its-kind bolt-on reserve system engineered specifically for Harley-Davidson Sportsters. Designed and fabricated in-house at our Texas-based facility, this modular fuel solution eliminates the stress of pushing your limits—or your bike—to the next gas station.
Crafted from precision laser-cut steel with all-stainless hardware, this kit offers 3L (0.75 gal) and 5L (1.3 gal) options—extending your range by up to 70 miles depending on displacement. The tank mounts securely using a 4-point locking bracket and requires no drilling or cutting, preserving your frame’s integrity.
Customize it with an optional aluminum heat shield and custom laser engraving. Available in black or red, it’s not just a functional upgrade—it’s also a bold aesthetic enhancement.
Specifications:
Tank Capacity: 3L (0.75 gal) or 5L (1.3 gal)
Extended Range: 45–70 miles (based on model/engine)
Material: Laser-cut steel tank; stainless hardware
Finish Options: Red or black powder-coated tanks
Mount Type: 4-point locking bolt-on bracket
Extras:
Built-in filler tube
Optional aluminum heat shield
Optional lock & key
Optional custom engraving (heat shield only)
No cutting/drilling required
The Kinetic Auxiliary Gas Tank Kit is a first-of-its-kind bolt-on reserve system engineered specifically for Harley-Davidson Sportsters. Designed and fabricated in-house at our Texas-based facility, this modular fuel solution eliminates the stress of pushing your limits—or your bike—to the next gas station.
Crafted from precision laser-cut steel with all-stainless hardware, this kit offers 3L (0.75 gal) and 5L (1.3 gal) options—extending your range by up to 70 miles depending on displacement. The tank mounts securely using a 4-point locking bracket and requires no drilling or cutting, preserving your frame’s integrity.
Customize it with an optional aluminum heat shield and custom laser engraving. Available in black or red, it’s not just a functional upgrade—it’s also a bold aesthetic enhancement.
Specifications:
Tank Capacity: 3L (0.75 gal) or 5L (1.3 gal)
Extended Range: 45–70 miles (based on model/engine)
Material: Laser-cut steel tank; stainless hardware
Finish Options: Red or black powder-coated tanks
Mount Type: 4-point locking bolt-on bracket
Extras:
Built-in filler tube
Optional aluminum heat shield
Optional lock & key
Optional custom engraving (heat shield only)
No cutting/drilling required
Fitment:
Fits Harley-Davidson Sportster models (2004–present)
Compatible with Iron 883, 1200, Forty-Eight, Nightster, Seventy-Two
Mounts on the right side by default
Left-side mounting is also possible with minor brake line adjustment
No cutting or drilling required—fully reversible bolt-on installation
Why Choose the Auxiliary Gas Tank Kit?
Adds 45–70 miles of extra fuel range—no more range anxiety
100% bolt-on install—no permanent mods
Choose tank color, size, heat shield, and lock options
Optional custom engraving for a personalized finish
Built tough from laser-cut steel and stainless hardware
Made in-house in Texas for unmatched precision and durability
FAQs:
Q: How much extra range does the tank give?
A: The 3L tank adds 45–55 miles and the 5L up to 70 miles on a 1200 Sportster. Expect more on an 883 due to better MPG.
Q: Will I have to modify my frame or swingarm?
A: No. The tank mounts with a bolt-on bracket—no cutting, welding, or drilling required.
Q: Can I mount this on the left side of my bike?
A: Yes, with slight modification to your rear brake line routing to allow bracket clearance.
Q: Is the heat shield required?
A: Only if your exhaust exits close to where the tank is mounted. Otherwise, it’s optional.
Q: Can I get my heat shield engraved?
A: Absolutely! We offer custom laser engraving. Just contact us before or after ordering to discuss your design.