Cycle Tank Sealer Kit

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KBS Cycle Tank Sealer Kit – All-Inclusive Kit for Motorcycles & Small Tanks Up to 5 Gallons

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The Cycle Tank Sealer Kit is a complete kit designed to clean, prep, and repair your motorcycles, generators, lawn mowers, tractors, snowmobiles, utility tanks, or other small tanks up to 5 gallons. Detailed instructions are included to give you professional results.

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Customer Reviews

What's Inside the KBS Cycle Tank Sealer Kit

What is the Cycle Tank Sealer Kit?

The KBS Cycle Tank Sealer Kit gives you everything needed to clean, prep, and permanently seal tanks up to 5 gallons — including motorcycle, generator, lawn mower, tractor, snowmobile, and utility tanks. Gold Standard Tank Sealer forms a fuel-impervious, silver metallic coating that stops rust, seals pinholes and weld seams, and flexes to withstand expansion and contraction. Detailed instructions are included for professional results.

Gold Standard Fuel Tank Sealer is a single-component, ready-to-use formula that stops rust and corrosion by forming a tough, fuel-impervious coating — while permanently sealing small pinholes and weld seams.

This kit pairs two KBS prep products with the Gold Standard Tank Sealer for a fully guided, 3-step process:

KBS Klean — Water-based, heavy-duty cleaner and degreaser that removes grease, oil, and contaminants without leaving residue.
RustBlast — Powerful rust remover and metal etch that eliminates rust while depositing a zinc phosphate film, extending rust-free protection and priming the surface for sealing.
Gold Standard Tank Sealer — Superior fuel-impervious coating that permanently seals pinholes, weld seams, and rust damage on steel, aluminum, and fiberglass tanks.

Detailed instructions are included to walk you through every step for professional, long-lasting results.

Video: Cycle Tank Sealer Kit Overview

Kit Contents: Everything You Need to Seal a Tank Up to 5 Gallons

KBS Klean - Quart
RustBlast - Quart
Gold Standard Tank Sealer - 8oz

Nitrile Gloves
Stir Stick
Detailed Step-by-Step Instructions

Gold Standard Tank Sealer – Key Features & Performance

Silver metallic permanent coating
Eliminates all rust & corrosion
Impervious to all fuels, alcohol additives & most solvents
Withstands temperatures up to 500° F
Permanently seals pinholes & weld seams

Flexible — expands & contracts with the tank
Non-flammable
Environmentally safe
Contains no Methyl Ethyl Ketone (MEK)

Gold Standard Tank Sealer cross-linked coating — tough, fuel-impervious, permanent bond

"I tried this product myself… WORKED GREAT!!!!!"

— Dave Stewart, Product Specialist, JP Cycles

Working on a Tank with a Previous Liner?

Our Cycle Tank Sealer PLUS Kit includes a quart of KBS Strip to quickly remove old, failing sealers before recoating. It's the smarter starting point if a previous liner is present.

Compatible Tank Types: Steel, Aluminum, Fiberglass & More

Steel Tanks
Aluminum Tanks
Fiberglass Tanks

Diesel Tanks
Oil Tanks
Utility Tanks

Non-Potable Water Tanks
Motorcycle Tanks
Small Engine & Generator Tanks

Tank Sealer Application Directions & Tech Resources

Technical Docs

Tank Sealer Application Directions (TDS) Technical Data Sheet Chemical Resistance Guide Application Flow Chart

How-To Guides

3-Step Tank Sealing System Avoid Common Mistakes Tank Sealer How-To's

Get Expert Help

Tank Sealer Supplemental FAQs KBS Support Desk KBS Support Forum

Have Questions? Click Here for Expert Support

Tank Sealer Learning Center & Articles

Patience When Using Tank Sealer

Why slowing down between steps is the single most important factor in getting a permanent seal.

Read Article →

KBS Tank Sealer System: Restore Your Tank to Like New

How the KBS 3-step system removes rust and permanently restores the inside of a fuel tank.

Read Article →

Simple Steps to Seal a Gas Tank

A step-by-step video walkthrough of sealing a gas tank using the KBS Tank Sealer System.

Watch Video →

Watch: How to Seal a Motorcycle Gas Tank

KBS Cycle Tank Sealer Kit — Sealing a Motorcycle Gas Tank Step by Step

How to Seal a Car Gas Tank — 4-Part Series

Part 1 of 4 — Tank Removal & Fuel Tank Repairs

Part 2 of 4 — Degassing the Tank & Welding Holes Larger Than Pinholes

Part 3 of 4 — Cleaning with KBS Klean & Etching with RustBlast

Part 4 of 4 — Sealing the Tank with Gold Standard Tank Sealer

Have Questions? Click Here for Expert Support

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Worked great!

Followed the instructions to the letter and it sealed the tank from a 43 year old motorcycle just fine. Much les expensive than a new tank ( if I could find one). Thank you!

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Reviewed by: Eric Wallis from RUDYARD on 1/22/2026

HD 5-Gal tank Restoration

This worked fantastic on my 2003 Fatboy Tank restoration. The tank was so rusted internally to where I used an electrolysis method to get the initial rust loosened and cleared. I used the Klean and RustBlast to clear the tank. Covered up holes and vent/crossover tubes then applied the tank sealer. Lined perfectly, but did have some extra in the tank when using the entire contents of the can. Rotate as instructed and it will coat nicely. Take your time to do it right with KBS Tank Seal kit. You will not be disappointed.

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Reviewed by: Dennis from Georgetown, TX on 12/15/2025

Motorcycle Tank Coating

Follow the instructions closely, especially the part about cleaning well. Clean your tank at least three times and take your time with the coating and don’t assume that it hasn’t puddled up somewhere just because you can’t see it. Start early in the morning when it’s colder so you get extra working time. Use light compressed air to disperse thick spots as it starts to thicken. Also, the small can goes a LONG way, so, have other parts on hand such as kickstands and rear sets that need to be coated as well, this way you don’t waste the excess. Plan on several days to do this project, and several hours on the final day of coating. Have an extra set of hands near by to shine a light inside the tank while you look inside to verify coverage. This is most important of your tank has baffles and deep sumps. Overall excellent.

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Reviewed by: Brian from Northfield MA on 8/25/2025

Better Than New

I discovered that my fuel tank liner was flaking off in sheets and got into complete fuel components. KBS came to the rescue! After applying KBS cleaner, the tank was free of all the flaked liner. Now the tank looks like the inner tank surface looks like it was coated like ceramic marble lining.

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Reviewed by: Tank Abbot from CA on 6/5/2025

Nothing better!

This is the second time I've used the tank restorer. If you follow the directions completely, you will get great results! It has been 5 years since I did the first tank, and it still looks as good as the day I restored it!! (And yes, we did use a scope to check the inside completely)

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Reviewed by: Dennis from New Milford on 1/18/2025

KBS tank sealer kit

Kit sealed tank perfectly. Removed rust and mad tank like new. Followed the excellent instructions which made results perfect.

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Reviewed by: Loren from Orangevale on 11/3/2024

Motorcycle tank sealed

I used the fuel tank sealer on a 2 .5 gallon steel gas tank resulting in an excellent outcome. Rust removal and coating is completed. Highly recommend this product following the instructions is key to getting results.

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Reviewed by: Klaus from Orofino Idaho on 10/30/2024

tank liner and motor coater and extreme

i have been use you for yrs, best in the industry

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Reviewed by: douglas ary from wayland mi on 10/27/2024

Patience = Excellence

This is my third time using this product (the entire kit) and I’m always thoroughly pleased with the results. This product definitely isn’t for those in hurry, though. My first tank, which I sealed with this very product, did have several issues. I tried to cram cleaning, etching, and sealing into one weekend. I have only myself to blame for the poor results. Fast forward nearly a decade later and I have learned patience. Allowing the tank to fully dry between steps (at least 24hrs), and giving the sealer the 4+ days to cure, and the results couldn’t be better. Take your time with this product, and the results will lead to tank capable of many more miles and gallons of gas of adventure.

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

Did you find this helpful? 1 of 2 Found Helpful

Reviewed by: Andy from Fort Collins, CO on 10/18/2024

Great product

Worked as advertised. Great instructions

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Reviewed by: Shane from Wileville Nova Scotia on 6/24/2024

Real Deal Seal

If a person can read and follow directions,then KBS tank seal will do the rest.

Did you find this helpful? 1 of 1 Found Helpful

Reviewed by: Don from Roanoke on 6/7/2024

tank coating review

This kit is amazing. Was going to trow my tank in the garbage and order a new one. At lease a pound of rust came out of the tank before I started the treatment. KBS made it like new, and I have zero patience with this type of stuff.

Did you find this helpful? 1 of 1 Found Helpful

Reviewed by: grant from FL on 4/1/2024

Works as Advertised

Take your time, follow directions closely, and you will not be disappointed.

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Reviewed by: Chad from Lenoir City, TN on 3/26/2024

Log splitter tank

This is the 2nd tank I've used this product on. Would recommend KBS Will be looking at their other products too

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

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Reviewed by: Dan Hawbaker from Decatur on 12/31/2023

1988 Honda 300 Four wheeler fuel tank seal

Purchased the 5 gal motorcycle kit. Everything went as advertised following the directions as recommended. Used the wash with nuts and washers to help loosen some rust. Worked perfectly. Dried inside tank, then acid washed thank for about 30 minutes, rotating every 5-10 minutes. Rinsed tank 3-4 times with water and air dried with shop vac blowing air inside tank. Let set over night and acid wash again for 30 more minutes. Rinsed and air dried the same as before. Let tank sit overnight then poured sealer in tank rotating every 5 minutes to cover all areas including the top of tank. All looks like new and very pleased. After about 1-2 hours I noticed bubbles forming on the center rise in middle of tank. This why I rated 4 stars instead of 5. Tank is 99% better than before. Just hope it last for a while. I would highly recommend product. Easy to work just take your time.

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Reviewed by: Kenny from Orange Beach, AL on 11/15/2023

SC-500 gas tank

Easy just follow the directions to the tea And take your time!!

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

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Reviewed by: Walter from El Cajon , Ca. on 10/10/2023

1976 Honda owner

I watched their video on line, ordered the products and they worked just as advertised. I thought I would have to find another tank for this bike, but mine is a good as new now.

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Reviewed by: Bob from Clearfield on 7/26/2023

great stuff

easy to use, works super good.

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Reviewed by: CLAUDE R MURWIN from Otego on 5/3/2023

Tank Sealer

Good stuff

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Reviewed by: Sam S Ebersol from Gap on 3/18/2023

1976 Honda 400F gas tank recondition

I had previously used the Kreem gas tank sealer on my Honda motorcycle tank with very poor results - it had flaked-off and the tank had rusted more underneath the sealer than when I started the repair - very disappointed after following the instructions carefully and the process failed. The tank sat after the Kreem treatment without fuel and it deteriorated and flaked away while I was restoring my motorcycle.... So, after reading reviews and watching many YouTube motorcycle gas tank sealer instructional videos I chose the KBS Cycle Tank Sealer Kit. I also learned that I had to strip the Kreem Sealer and start fresh with the KBS Kit and followed the instructions explicitly. I saved the can and any unused sealer residue that was drained from the tank so as to have it for reference in the future to monitor how well it adheres and stands the test of time. One of the reasons the helped determine which sealer to use was the silver look of the dried product which resembles the original tank interior when it was new. I presently am using the tank with gasoline in it to test and adjust my reconditioned Honda motorcycle - it's not being operated on the road as yet - currently running engine and making adjustments & tuning procedures. Tanks shows no signs of problems with coating and it appears to be perfectly fine.

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

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Reviewed by: steve rose from Braintree, MA on 11/13/2022

Best product to fight corrosion .

Works very nice and easy to apply, make the fuel tank better than new. Only thing I should add to fix is the shipping method, Maybe only happened to me but it took so long . Sorry to complain but overall it is worth the wait.

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Reviewed by: Bike Rider from Brooklyn, New York on 10/19/2022

Fiberglass MC tank

I tried using 110 octane leaded racing gas in my BSA. It caused the inside of the fiberglass tank to start to flake. The KBS system sealed the tank and I'm back to 93 octane pump gas. The instructions were easy to follow and I'm a happy biker again. Thanks KBS!!!

Cycle Tank Sealer Kit

Cycle Tank Sealer Kit

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Reviewed by: Bob from Pennsylvania on 9/27/2022

Looks great so far!

The cleaning and rust removal processes alone made the inside of the tank look brand new! I have a 2002 r6 and the tank has lots of crevices and hard to reach places and I am confident the sealer made its way into all of those places and sealed it up well. Hopefully the sealer will withstand the rest of time. Was hard to get decent pictures that do the product justice. Inside of the tank looks great!

Cycle Tank Sealer Kit

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Reviewed by: Logan from Merkel, Texas on 7/14/2022

Easy

Follow instructions It's real easy process Would recommend it to everyone

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Reviewed by: Jeffrey from Little Canada on 6/22/2022

Good stuff

I have full confidence in the motorcycle tank sealer kit. It takes some serious time and effort to complete all three steps, but you can tell by the instructions that this company really knows what they're doing. Probably some of the most thorough instructions I've received with anything, left me with no questions about how to do it. I'll definitely be using this again in the future.

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Reviewed by: Jon from Birmingham AL on 5/26/2022

SemperForce Black Nitrile Gloves

SemperForce Black Nitrile Gloves

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Cycle Tank Sealer PLUS Kit

Cycle Tank Sealer PLUS Kit

The Cycle Tank Sealer PLUS Kit is our *PLUS* Kit that contains everything found in our regular Cycle Tank Sealer Kit PLUS a quart of KBS Strip to quickly remove any old failing sealers previously used to seal your tank. Detailed instructions included to give you professional and long-lasting results.

$60.00

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Large Cycle Tank Sealer Kit

Large Cycle Tank Sealer Kit

The Large Cycle Tank Sealer Kit is designed for the repair of larger sized motorcycles, generators, lawn mowers, tractors, snowmobiles, or other tanks up to 12 gallons. Detailed instructions included to give you professional, long-lasting results.

$55.00

(236)

Auto Fuel Tank Sealer Kit

Auto Fuel Tank Sealer Kit

The Auto Fuel Tank Sealer Kit contains everything you need to clean, prep, and permanently seal up to 25 gallon tank. Detailed instructions included to give you professional and long-lasting results.

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Cycle Tank Sealer Kit

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