Do They Still Make 2 Stroke Dirt Bikes Today? (Answered)

Published: 22.8.23

Updated: 14.8.24

You're a dirt bike enthusiast, aren't you?

Your heart beats a little faster at the sound of that high-pitched rev, and you can almost feel the grip of dirt under your tyres.

But wait, something's holding you back. You're pondering an age-old question: "Do they still make 2-stroke dirt bikes today?"

Great news—your search for that classic 2-stroke riding experience is not in vain.

Do They Still Make 2-Stroke Dirt Bikes Today?

The Relevance of 2-Stroke Dirt Bikes

So, why do 2-stroke dirt bikes have this almost mythical aura around them?

First off, they're lightweight, making them agile and easily manoeuvrable.

The power-to-weight ratio?

It’s like strapping a rocket to a feather.

And let’s not forget the sheer simplicity. You don't have to be a mechanical wizard to carry out basic repairs.

All of this adds up to one thing—a seriously fun ride that taps into the essence of what off-road biking is all about.

Related: How To Mix 2 Stroke Fuel For Your Quad Bike (5 SIMPLE STEPS)

A Brief History of 2-Stroke Dirt Bikes

The Early Innovators

Imagine a time when cars were still a newfangled invention.

That's when Karl Benz stepped onto the scene, inventing the first-ever two-stroke engine on New Year’s Eve of 1879.

Fast forward to 1904, and another visionary, Alfred Angas Scott, adapted it into a workable engine for a dirt bike.

Then, Scott Motorcycles rolled out the world's first 2-stroke dirt bike in 1908.

Sounds like stuff of legends, doesn't it?

Related: The Evolution of Electric Dirt Bikes: From Past to Present

The Golden Age and Beyond

The 60s and 70s were kind of the “Woodstock” years for 2-stroke dirt bikes.

These machines became synonymous with freedom and adventure.

But like all good things, this golden age faced its challenges, primarily from emissions regulations and the rise of the 4-stroke giants.

The Decline and Revival

Yes, 2-stroke engines took a hit when environmental concerns started changing the game.

But guess what?

They didn't throw in the towel.

New tech solutions like direct injection and improved combustion efficiencies gave these old dogs some new tricks.

It's like discovering your favourite band from high school has just dropped a new album, and it's a chart-topping hit!

Environmental Impact: A Cleaner Two-Stroke

The environmental impact of 2-stroke engines has been a significant concern, but modern technology has made impressive strides in reducing emissions.

Traditional 2-stroke engines were notorious for their high pollution levels.

They produced a lot of unburned fuel and oil in their exhaust, with a single 2-stroke engine potentially generating pollution equivalent to 30 to 50 four-stroke automobiles.

However, the industry has responded with innovative solutions:

Direct Injection Systems: By replacing carburetors with direct in-cylinder fuel injection, manufacturers have significantly reduced unburned fuel in the exhaust.

This technology can cut hydrocarbon emissions by almost 90% while increasing fuel efficiency by up to 35%.

Improved Combustion: Advanced designs have enhanced the combustion process, reducing the amount of oil mixed with fuel and minimising emissions.

Catalytic Converters: Some modern 2-stroke engines now incorporate catalytic converters, further reducing harmful emissions.

While 4-stroke engines generally produce lower hydrocarbon emissions, 2-strokes have made significant progress.

In fact, the toxicity of water polluted by a catalysed 2-stroke engine has been found to be negligible after 14 days, comparable to that of a 4-stroke engine.

It's important to note that emissions vary depending on the specific engine design and application.

While 2-strokes have improved, 4-stroke engines still tend to be more fuel-efficient and produce lower overall emissions in many cases.

The revival of 2-stroke technology demonstrates that with innovation, we can enjoy the benefits of these powerful, lightweight engines while minimising their environmental impact.

It's a testament to the industry's commitment to balancing performance with environmental responsibility.

Modern 2-Stroke Dirt Bikes – Who Makes Them Now?

Bet you're itching to know who's keeping the 2-stroke dream alive.

The list is longer than you might think!

Companies like Beta, GasGas, Cobra, Kawasaki, KTM, Husqvarna, Suzuki, Sherco, and TM are all in the game.

They’re like the Avengers of the 2-stroke world, each bringing their own superpowers to the table.

Technological Advances

And don't think these are your grandad's rusty old rides. Today's 2-stroke dirt bikes boast cutting-edge technology that's revolutionising the riding experience.

Let's dive into some of these game-changing innovations:

Fuel Injection Systems Gone are the days of finicky carburetors. Modern 2-stroke dirt bikes now feature sophisticated fuel injection systems:

• KTM's Transfer Port Injection (TPI): This technology injects fuel directly into the transfer ports, resulting in improved fuel efficiency and significantly reduced emissions. It also eliminates the need for jetting adjustments at different altitudes.
• Husqvarna's Electronic Fuel Injection (EFI): Similar to KTM's system, it offers precise fuel metering for optimal performance in various conditions.

Advanced Exhaust Systems The latest exhaust technologies are a far cry from the simple expansion chambers of yesteryear:

• Variable Exhaust Valves: Brands like Yamaha use power valves that adjust exhaust port timing, optimising power delivery across the entire RPM range.
• Resonance Chambers: These help to broaden the power band and reduce noise without sacrificing performance.

Suspension Innovations Ride quality has taken a quantum leap with these advancements:

• Air Forks: Offering easy adjustability and reduced weight, air forks are becoming increasingly common on high-end 2-stroke dirt bikes.
• Linkage-Free Rear Suspension: Some manufacturers are adopting progressive linkage-free rear suspension systems, which offer improved traction and a more compact design.

Engine Management Systems Electronic control units (ECUs) are now standard on many 2-stroke dirt bikes, offering:

• Multiple Riding Modes: Riders can switch between different power delivery profiles at the touch of a button.
• Traction Control: Some high-end models now feature traction control systems, previously only found on 4-stroke bikes.

Lightweight Materials The use of advanced materials has made 2-stroke dirt bikes lighter and stronger:

• Carbon Fiber Components: From subframes to exhaust systems, carbon fiber is being used to reduce weight without compromising strength.
• Titanium and Magnesium Alloys: These lightweight metals are used in engine cases and other components to further reduce overall weight.

The aim?

To deliver a superior riding experience that rivals even their 4-stroke cousins.

These technological advances have not only improved performance but also addressed many of the traditional drawbacks of 2-stroke engines, such as high fuel consumption and emissions.

The result is a new generation of 2-stroke dirt bikes that offer the raw power and lightweight agility they're known for, combined with improved reliability, efficiency, and environmental friendliness.

It's this blend of classic appeal and modern innovation that's keeping 2-stroke dirt bikes at the forefront of off-road racing and recreational riding.

Related: 2 Stroke vs 4 Stroke Dirt Bike: Which One Fits Your Ride?



The Future of 2-Stroke Dirt Bikes

The resurgence of 2-stroke dirt bikes isn't just a fleeting trend; it's a glimpse into an exciting future for off-road enthusiasts.

As technology advances, we're seeing a promising evolution in these high-revving machines.

Emerging Technologies

Manufacturers are investing heavily in research and development to keep 2-strokes competitive and environmentally friendly:

• Advanced Fuel Injection: Building on KTM's Transfer Port Injection (TPI) technology, we can expect even more sophisticated fuel injection systems that optimise performance while reducing emissions.
• Electronic Power Valves: Digital control of power valves will allow for more precise tuning and better power delivery across the rev range.
• Lightweight Materials: Continued development of carbon fiber and advanced alloys will make 2-strokes even lighter and more nimble.

Electric 2-Stroke Hybrids

While it might sound contradictory, the concept of electric 2-stroke dirt bikes is gaining traction:

• Electric Assist: Some manufacturers are exploring hybrid systems that use electric motors to supplement the 2-stroke engine, providing instant torque and improved fuel efficiency.
• Regenerative Braking: This technology could help charge a small battery pack, further enhancing the bike's performance and range.

Market Predictions

The future looks bright for 2-stroke dirt bikes:

• Growing Market Share: As emissions technology improves, 2-strokes are likely to regain some of the market share they lost to 4-strokes in recent decades.
• Niche Specialisation: We may see 2-strokes become even more specialised for specific disciplines like enduro or motocross, catering to riders who appreciate their unique characteristics.
• Continued Innovation: Brands like GASGAS are already introducing new high-revving 2-stroke models for 2025, indicating ongoing investment in the technology.

Environmental Considerations

The future of 2-stroke dirt bikes is intrinsically tied to their environmental impact:

• Biodegradable Oils: Development of eco-friendly, biodegradable oils will help address concerns about 2-stroke emissions in sensitive off-road areas.
• Noise Reduction: Innovative exhaust systems will continue to make 2-strokes quieter without sacrificing their distinctive sound and power delivery.

As we look to the horizon, it's clear that 2-stroke dirt bikes are far from becoming relics of the past.

Instead, they're evolving to meet the demands of modern riders and environmental regulations, ensuring their place in the dirt bike world for years to come.

The blend of traditional 2-stroke power with cutting-edge technology promises an exhilarating ride into the future of off-road motorcycling.

The Riding Experience – Then and Now

Back in the Day

If you could hop into a time machine and grab a 2-stroke from the 70s, it would be like jamming to vinyl records—authentic but not exactly hi-fi.

The Modern Rendition

Today, you get the best of both worlds. You have that authentic 2-stroke vibe but with all the mod-cons.

Better emissions, improved handling, and more reliable engines make it a win-win situation.

It’s like listening to your favourite old tunes but on a state-of-the-art sound system.

Related: What Kind of Petrol/Gas Does a Dirt Bike Take?

Things to Consider When Buying a 2-Stroke Dirt Bike

Before you pull out your wallet, here are some quick tips:

• New vs. Used: Are you going for that minty fresh new bike smell or a tried-and-tested warrior? Each has its pros and cons.

• Brand Reputation: Trust is earned. Stick with brands that have a proven track record in quality and performance.

• Technological Features: Don’t skimp on the goodies. Look for bikes that offer the latest in 2-stroke technology.

• Maintenance Requirements: 2-strokes are generally easier to maintain, but each model will have its own set of needs. Make sure you’re up for it!

Related: Should I Buy a Dirt Bike?

Benefits and Comparison Between 2-Stroke and 4-Stroke Engines

When deciding between 2-stroke and 4-stroke engines, the comparison often boils down to the specific needs of the rider.

2-strokes are known for their simpler design and horsepower, giving them an edge in motocross bikes.

On the other hand, 4-strokes often offer smoother vibration patterns and may be more suitable for street bikes.

Advantages of 2-Strokes

2-Stroke engines come with a set of unique benefits that make them a fantastic choice for certain riders.

They are usually faster and more powerful, giving them an advantage in specific scenarios like racing or tackling challenging terrain.

Why 4-Strokes are Different

Four-strokes, on the other hand, have their own advantages and benefits, including better fuel efficiency and a smoother ride, making them a different choice altogether.

But when it comes to the dirt bike market and especially motocross bikes, 2-strokes often dominate.

Cost Comparison

2-Strokes generally have a cheaper upfront cost and lower maintenance costs, but 4-strokes can be more fuel-efficient in the long run.

Depending on your riding habits, either could be a good choice.

New Environmental Considerations

In the context of industry improvements, it's worth mentioning that newer 2-stroke models are becoming more environmentally friendly, with manufacturers focusing on cleaner production methods to meet modern emissions standards.

This has led to a resurgence of 2-stroke dirt bikes in the market.

Where to Buy a 2-Stroke Dirt Bike

For those looking to buy a 2-stroke dirt bike, the market offers various choices from fantastic manufacturers like KTM, Husqvarna, GasGas, and Yamaha.

Let's explore the different avenues available for purchasing these high-performance machines:

Online Platforms

Online marketplaces have revolutionised the way we shop for dirt bikes:

• eBay Motors: A popular platform offering a wide range of new and used 2-stroke dirt bikes. eBay's buyer protection can provide some peace of mind when making a purchase.
• Specialised Motorcycle Websites: Sites like CycleTrader or BikeBandit often have extensive listings for 2-stroke dirt bikes.

Safety Tips for Online Purchases:

• Always request detailed photos and videos of the bike in operation.
• Check the seller's reputation and feedback scores.
• Use secure payment methods and avoid deals that seem too good to be true.
• If possible, arrange for a local inspection before finalising the purchase.

Local Dealerships

Visiting a local dealership offers several advantages:

• Hands-On Experience: You can physically inspect and test ride the bikes.
• Expert Advice: Dealership staff can provide valuable insights and help match you with the right bike.
• Warranty and Service: New bikes often come with warranties, and dealerships can offer ongoing maintenance.
• Financing Options: Many dealerships provide financing plans to make your purchase more accessible.

Official Brand Stores

Brands such as KTM, Husqvarna, and GasGas offer 2-strokes directly through their official stores:

• Latest Models: These stores showcase the newest improvements in 2-stroke technology.
• Factory Support: Direct access to manufacturer warranties and support.
• Customisation Options: Some brands offer factory customisation for your new bike.

Specialised Dirt Bike Stores

Shops like Danny's Dirt Bike Store specialise in off-road motorcycles:

• Wide Selection: These stores often carry a variety of brands and models, both new and used.
• Expert Knowledge: Staff at specialised stores typically have extensive experience with dirt bikes.
• Parts and Accessories: Easy access to aftermarket parts and performance upgrades.

Auctions and Motorcycle Shows

These events can offer unique opportunities:

• Rare Finds: Vintage motocross bikes or limited-edition models are often available.
• Networking: Connect with other enthusiasts and industry professionals.
• Demonstrations: Some shows offer the chance to see bikes in action before purchasing.

Buying Used: What to Look For

When considering a used 2-stroke dirt bike:

• Maintenance History: A well-documented service history is a good sign.
• Engine Condition: Check for scoring on the cylinder walls and piston condition.
• Modifications: Be cautious of heavily modified bikes unless you're confident in the quality of the work.
• Test Ride: Always test ride the bike if possible, listening for any unusual noises or vibrations.

Whether you're after the latest KTM 250 SX or a classic Yamaha YZ250, understanding your options and doing thorough research will help you find the perfect 2-stroke dirt bike.

Remember, the right bike for you depends on your skill level, intended use, and budget. Don't hesitate to seek advice from experienced riders or mechanics before making your purchase.

Related: The Secrets to Buying a CHEAP Dirt Bike: What Dealers Won't Tell You!

Conclusion

So, the burning question: Do they still make 2-stroke dirt bikes today?

Without a doubt, the answer is yes!

Manufacturers are still rolling out brand-new versions that benefit from significant technological advances.

Although they've become less common, especially among major Japanese motocross manufacturers who have largely shifted to four-strokes, 2-strokes are far from being obsolete.

These bikes now offer an enhanced riding experience that makes them not just a nostalgic choice but also a highly capable one.

So, if you've been contemplating whether to get a 2-stroke dirt bike, you can rest assured that the technology is advanced and they aren't disappearing from the market anytime soon.

Ready to kick-start that advanced two-stroke engine?

FAQs

How Do I Maintain a 2-Stroke Engine?

Maintaining a two-stroke engine is simpler than a 4-stroke engine, offering easier maintenance. Essential tasks typically include checking and cleaning the air filter, ensuring the right oil-to-fuel ratio, and regularly inspecting spark plugs. Manufacturers often provide specific guidelines to make this even more straightforward.

What Fuel Should I Use?

For 2-stroke dirt bikes, you'll usually need to mix oil with petrol. Specific brands like Kawasaki, Suzuki, and Yamaha often provide precise ratios in their owner's manual. Some 2-stroke models come equipped with an oil injection system, simplifying this process and offering unique benefits.

Is it Legal to Ride a 2-Stroke on Public Roads?

Before taking your 2-stroke dirt bike on public roads, you'll need to ensure it's street-legal. Production of road-legal 2-strokes has evolved in recent years to meet emissions and other regulations. Always double-check local laws before hitting the road.

What Makes 2-Stroke Bikes Lighter than 4-Strokes?

The engine in a 2-stroke is usually lighter and simpler in design compared to a four-stroke engine. This choice offers several advantages, including lighter weight and faster speeds.