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An In-Depth Look at Rust 911 vs Evapo Rust for Removing Motorcycle Rust

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It’s time for another helpful garage tutorial. In this one, we’ll be comparing Rust 911 vs Evapo Rust to see which one does a better job tackling rust on our bike parts.

As any rider knows, rust is public enemy number one when it comes to keeping our trusty steel steeds on the road.

If you don’t get that rust taken care of, it’ll just keep on spreading and before you know it, something important could conk out at the worst possible time.

We’ll take a look at how well these rust remover products do light versus heavy rust. Of course, price is always a factor too; one of these bad boys may work better but cost a small fortune.

And safety is no joke either, especially when you’re working with chemicals!

Evapo-Rust ER012 Super Safe

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Rust911 Rust Remover Dissolver

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Evapo RustRust 911
FormulationReady to use liquidConcentrate mixed with water at 16:1 ratio
Effectiveness on Light RustExcellentExcellent
Effectiveness on Heavy RustVery GoodVery good
Ability to PenetrateVery goodVery good
Effectiveness for Large JobsVery goodVery good, excellent value for money
Metal CompatibilityGentle on all metalsGentle on all metals
Cleanup RequiredMinimal rinsingMinimal rinsing
Safety/ToxicityNon-toxic, safe to useNon-toxic, safe to use
Overall Best ProductGreat for small and large jobsBest overall value for money value

Both products are highly effective rust removers. Evapo Rust is simpler to use but Rust 911 provides better value when larger volumes are needed due to its concentrate formulation.

Testing Methodology for Rust 911 vs Evapo Rust

To give you a good sense of how Rust 911 vs Evapo Rust stacks up, I gathered some typical problem areas that tend to rust on our trusty steel horses.

Motorcycle Parts Used for Testing

For engine components, I rounded up some rusted cylinder head bolts that were well past their prime.

The heads of these things were almost completely gone, just barely hanging on by a thread (no pun intended)!

I also snagged a clutch basket that was looking pretty gnarly. You could barely make out the bolt patterns through all the rust.

For smaller pieces, I found some rusty chain links, old shift linkage parts, and some suspension pieces that were red with rust from the inside out. Some nuts and bolts joined the party too.

I also tossed in a few oddball components like a gas tank strap that was rustier than a pirate’s underpants. Not sure what exactly was under all that surface rust but it wasn’t looking too pretty.

All the parts were from bikes that had been left to sit for years without any love. Some rust was light, some was heavy as could be.

Should give us plenty to see how Rust 911 vs Evapo Rust handle different severity levels.

Test Procedure and Variables Controlled

To really see how Rust 911 vs Evapo Rust performed, I needed to control as many variables as possible across the tests.

For soak time, I gave each product the recommended minimum soak duration – 8 hours for both – to see their light rust removal abilities. For heavier rusted parts, I extended the soak to a few days to give them ample time to work.

Each part was carefully scrubbed before soaking to remove any loose rust or debris. This ensured any results were due to the rust remover’s qualities rather than additional cleaning.

Parts were fully submerged in their respective solutions, with larger pieces secured in containers. I agitated solutions daily to increase chemical contact with rust sites.

Temperature was also kept consistent, with all soaking done indoors at around 72°F. Weather could potentially impact performance.

Once soaking was complete, I used a wire brush to remove any remaining rust without damaging original metal surfaces. This allowed for a true “after” comparison against untreated parts.

SEE MORE: Evaporust vs Metal Rescue: Which Rust Remover Works Best on Motorcycle Parts?

Evapo Rust Review for Motorcycle Rust Removal

Evapo Rust is about as simple as can be as far as rust removers go. This stuff is ready to use right out of the jug – no mixing or waiting required.

Just dump the parts in and let them soak. Keep the parts soaked one to twelve hours depending on rust severity. As long as it takes for the rust to dissolve away into the light-yellowish liquid.

Evapo-Rust ER012 Super Safe – 128 oz., Non Toxic Rust Remover for Auto Parts

Evapo-Rust ER012 Super Safe


  • Effortlessly removes rust from automotive parts
  • Non-toxic and water-based solution
  • Contains no harmful acids, solvents, bases, odors or fumes

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Effectiveness at Removing Light vs Heavy Rust

On light to medium rust, Evapo Rust did an outstanding job thanks to its quick-acting formula.

Those cylinder head bolts I mentioned earlier that were just starting to corrode? They looked brand new after an overnight bath.

The chain links came out similarly clean, with traces of rust nowhere to be seen. Even the sticky, stubborn rust on smaller nuts and bolts vanished without a fight.

Just submerge it and walk away, Evapo Rust does the heavy lifting while you snooze. I was impressed how fast it knocked out surface rust.

For heavily rusted parts like the clutch basket or that gnarly gas tank strap, Evapo Rust required a couple extra days soaking to fully do its thing.

But given time, it converted those rusty projects into shining trophies too.

Getting into the nooks and crannies took more elbow grease. But soak after soak, it erased all signs that rust was ever there. Even pitted surfaces came out smooth as could be.

Truly impressive stuff. This product lived up to the allure of set-it-and-forget-it convenience against both light and serious rust demons.

Effect on Different Metal Types

One thing folks worry about with rust removal chemicals is whether they’ll harm other materials like aluminum or chrome. But I’m happy to report Evapo Rust gets along great with all kinds of metals.

To test it, I soaked a few previously-rusted aluminum parts for a full day. No damage at all. The rust dissolved without touching the underlying aluminum.

Some of the mystery component pieces I tossed in turned out to be brass. Again, that liquid made quick work of surface rust without damaging the brass underneath.

For chrome, raw steel, iron, aluminum – you name it, Evapo Rust was gentle and effective.

Cleanup Required After Use

When the soaking cycle was over, I was shocked by how little residue was left behind on parts. With a quick rinse, they dried spotless. No harsh chemicals either as the evaporating residue is harmless.

You can reuse Evapo Rust over and over again, until it turns out black. And disposition is not a pain either.

Simply pour the used liquid down the drain or contain and dispose as regular liquid waste. Couldn’t ask for an easier cleanup process.

Product Costs

When it comes to the wallet, Evapo Rust carries a pretty fair price tag in my opinion. A standard 1-gallon jug runs around $30 bucks.

Now for bigger projects with lots of parts soaking at once, it could get pricey doing single use jugs.

But considering how fast and easy it works, I’d say that convenience is worth the premium. Plus, you can reuse the used liquid repeatedly.

I barely used half a jug tackling all those rusted bike bits I threw at it. So money wise, one bottle will handle a good amount of parts for the cost. Some rust treatments need way more product.

Safety Concerns

As I mentioned before, Evapo Rust is remarkably non-toxic stuff. Just wear gloves if you want to be extra careful, but it’s so gentle you could realistically use it bare handed with no burn worries.

And the fumes? Zero. It doesn’t smell too. Nothing at all like the “don’t breathe this” type chemicals out there. Even dumping it poses no environmental threat according to the safety data.

In terms of safety, I’d confidently say Evapo Rust earns a 10/10. That kind of peace of mind is worth a lot in my book, especially when swapping parts on the bike in the garage saddle. No hazards to watch out for with this one!

SEE MORE: Head to Head: Evaporust vs Vinegar for Motorcycle Rust Removal

Rust 911 Review for Motorcycle Rust Removal

Unlike simple Evapo Rust, Rust 911 comes as a concentrate that requires mixing. You need to combine it with water at a 16:1 ratio. It means a 16 oz. bottle will give you 2-gallon of liquid.

To set up, I followed instructions to pour 8 oz. of the black liquid gold into a gallon of water and shake thoroughly. Then I was ready to dunk my rusty pieces.

Rust911: Makes 2-Gallons of Rust Remover Dissolver – Economical, Safe-to-Use, No Acids

Rust911 Rust Remover Dissolver


  • Biodegradable, non-corrosive
  • Does not attack base metal
  • Can be reused over and over till solution turns black

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Effectiveness at Removing Light vs Heavy Rust

Just like with Evapo Rust, Rust 911 made light work of surface rust. Those bolts and brackets I’d tested came out spotless after a single overnight soak.

Even heavy corrosion on things like the chain links disappeared totally. I was shocked just how quickly this concentrated formula converted rust stains into bare bright metal.

A few parts even looked cleaner than with Evapo Rust, with rust wiped out even from inside crevices. Very impressive penetrating action right off the bat.

Heavier rust situations proved only a slight challenge longer term. My clutch basket emerged pristine from a week of soaking, as did other deeply rusted components.

Granted, it took a day or two longer than Evapo Rust in some cases. But considering the value you get from a gallon of super concentrated Rust 911, that’s a tradeoff well worth it in my view. Thorough rust annihilation for a great price.

Effect on Different Metal Types

Just like trusty Evapo Rust, Rust 911 proved equally gentle on all kinds of metals when I tested it. Aluminum, brass and other components emerged from their black baths without a scratch.

Even my rusty chrome plating survived the soak completely intact. Very impressive survivability across substrate materials. You don’t have to sweat compatibility issues with this formula.

Cleanup Required After Use

Cleaning up after using Rust 911 also couldn’t be easier. Once parts were done soaking, I removed them and gave them a quick rinse.

Residual solution wiped or washed away quickly, leaving a purer than new shine. Dump the spent concentrate-water mixture down any drain.

Yes, it will discolor your shower for a day but don’t sweat much as it rinses residues safely without ecological concern.

Perhaps the sole downside is its inky black color can lightly stain parts if left too long. But a minute of extra scrubbing remedies that fast. Rock-solid results with rock-bottom hassle, that’s the story of Rust 911 cleanups!

Product Costs

When you consider a 16 oz. bottle of Rust 911 concentrate yields 2 gallons of solution, the cost is downright dirt cheap by comparison.

A 16 oz. of jug runs around $35 bucks online. But since it stretches over ocean-sized ratios, that investment tackles projects for years and pays off majorly in value.

Heck, at 16:1 concentrate, one 128 oz. bottle treated all my bike parts with gallons left over. Can’t argue with economic results like that no matter how you slice it.

Safety Concerns

Rust 911 brands itself as a non-toxic, environmentally friendly formula. Having used it myself, I can confirm those claims ring true.

It poses no inhalation risks whatsoever. And the material data sheet backs this up, rating it as completely non-hazardous on skin or ingestion too.

Even dumping gallons of used mixture causes zero problems for plumbing or the wider world. That level of safety earns big props in my book.

SEE MORE: How to Clean a Motorcycle Engine: Do It Like a Pro

Rust 911 vs Evapo Rust: Head-to-Head Results

Now for the moment you’ve all been waiting for – time to see how these rust busting contenders measured up head to head on my test components.

For lighter surface rust, both knocked it out flawlessly as expected. It was really heavier duty rust where their strengths started to separate.

Heavy Lifters: On really stubborn parts like the clutch basket, Rust 911 had a slight edge in thoroughness. Its concentrated formula seemed to penetrate residual rust traces a hair better.

However, Evapo Rust wasn’t far behind and still banished all signs of corrosion. Both remain impressive heavy rust champions.

Smaller bits saw Rust 911 excel due to its deep seepage into confined crevices. Chain links emerged perfect while Evapo Rust missed a spot or two.

Tougher Tasks: Where tank straps and internally rusted suspension bits required the most brute force, Evapo Rust needed an extra day soaking against Rust 911’s time.

Its more dilute state took marginally longer in the worst situations. But results were top notch either way in the end.

Overall, both products earned an A+ on erasing rust. It really came down to tackling the worst of the worst where Rust 911 pulled ahead ever so slightly.

Some tips on when each shines best:

  • Light/surface rust: Flip a coin, both knock it out overnight.
  • Heavy corroded parts: Rust 911’s penetrative muscle really showed through on intense rust jobs.
  • Budget matters: Evapo Rust great for smaller jobs. But Rust 911 saves serious coin on multi-components.
  • Convenience: Can’t beat Evapo Rust’s simple “pour and go” test tube formula.

Cost Analysis of Rust 911 vs Evapo Rust

To analyze true value, we need to calculate the effective cost-per-gallon of Rust 911 vs Evapo Rust when factoring in concentrates.

A 128 oz. jug of Evapo Rust yields 1 gallon of ready-to-use solution, and it costs around $30.

Rust 911’s concentrate makes 2 gallons from a 16 oz. of jug. Since it costs around $35, the price of one gallon is $17.5.

By volume, Rust 911 comes out around half of the price of per activated gallon versus straight Evapo Rust. No contest there.

For tackling smaller 1-2 part projects, the marginal cost difference isn’t a dealbreaker either way. But where bigger jobs with tons of components are concerned, Rust 911’s concentrate formula really starts to flex its economical muscle.

Evapo-Rust ER012 Super Safe

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Rust911 Rust Remover Dissolver

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The Clear Winner Is…

When considering all factors like performance, value, versatility and safety – Rust 911 emerges the champion rust remover in my book.

Its powerful concentrated formula delivered flawless results while stretching further for less cash overall. Especially valuable for bigger projects.

That said, Evapo Rust also proved a remarkable performer. You truly can’t go wrong with either for general rust busting tasks.

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