What performance gains do TSP ERM Power Kits deliver? ERM Power Kits deliver cleaner throttle response, smoother midrange power, and more predictable rideability—real gains you feel in varied terrain, not just on a dyno chart. These gains come from combining the TSP ERM reflashing ability with a matched TSP cylinder head, spark plug, and tuning […]
What Is the TSP ERM Power Kit?
What Is the TSP ERM Power Kit? The TSP ERM Power Kit is a pre-configured ECU tuning package that combines hardware and tuned maps to unlock improved performance on KTM, Husqvarna, and GasGas 250/300 two-strokes. What Comes in a TSP ERM Power Kit? The ERM Power Kit is designed as a complete solution rather than […]
What Performance Changes Can the TSP ERM Enable?
What Performance Changes Can the TSP ERM Enable? ERM tuning can improve throttle response, smooth power delivery, correct fueling issues, and optimize performance for terrain, elevation, and riding style. How ERM Tuning Changes Engine Behavior The TSP ECU Reflash Module works by adjusting factory ECU parameters rather than adding external fuel controllers. This allows tuning […]
What Performance Gains Can the TSP ERM Deliver?
What Performance Gains Can the TSP ERM Deliver? TSP ERM tuning typically improves throttle response, power smoothness, and rideability, with measured horsepower gains depending on engine and tune setup. Data-Backed Performance Results Based on internal testing, dyno comparisons, and aggregated rider feedback, the TSP ERM focuses on improving usable power and control rather than peak […]
Which Bikes Are Compatible With the TSP ERM?
Which Bikes Are Compatible With the TSP ERM? The TSP ERM is compatible with KTM, Husqvarna, and GasGas two-stroke TPI/TBI models and select modern four-stroke EFI bikes by year and platform. TSP ERM Compatibility Overview The ECU Reflash Module (ERM) is designed for modern off-road motorcycles using factory ECU systems. Compatibility depends on manufacturer, engine […]
What Is the TSP ERM (ECU Reflash Module)?
What Does the ERM Do? The Two Stroke Performance ECU Reflash Module—commonly called the ERM—is designed to give riders direct access to their bike’s ECU without needing a laptop, dyno session, or dealership visit. Using the ERM, riders can: Unlike piggyback tuners, the ERM directly communicates with the factory ECU, allowing deeper control and cleaner […]
Lunar Mousse Balls 2.0
Introducing the Next Level: MrWolf’s MousseBalls 2.0 Lunar We’re always looking for gear that gives riders better performance and fewer headaches. That’s why we’re pumped to unveil our latest pre-order: MrWolf’s MousseBalls 2.0 Lunar — a major upgrade in anti-puncture mousse tech that’s nearly ready to ship (ETA: December 2025). What Are MousseBalls, Again? For […]
Slavens Mule YZ 300X Build
We build the Ultimate YZ 300X. How does it compared to the orange benchmark? Find out.
Alec’s 2025 KTM 300XC-W Build
Taking a look at Alec’s 2025 KTM 300XC-W build.
Four Stroke Performance ERM v3 by TSP
Out of the box, KTM’s 4-stroke enduro models (and their Husky and GasGas cousins) look the part — but once you start riding, it’s obvious:They’re corked up, restricted, and way too polite. Lean fuel maps, heavy engine braking, sluggish throttle — it’s like the bike’s begging to be let loose.That’s where Two Stroke Performance’s (TSP) […]
Nuetech PROLOCK 360
Next-Level Traction & Durability: PROLOCK 360 – Nuetech’s Latest Innovation At Slavens Racing, we put products to the test in real-world riding conditions before putting them in our catalog. Jeff has been running Nuetech’s latest tire system on his bike for a while now, and the results speak for themselves. Run Ultra Low PSI—Or Even […]
Top Performance Parts For Your KTM TBI: TSP Delivers
Posted by Slavens Racing on February 25, 2025 What are the top performance parts for a KTM TBI? We answer that question. If you’ve got a KTM TBI—a throttle-body-injected two-stroke—you’re already on a solid machine. you know they’re solid out of the box. But “solid” ain’t enough when you’re chasing that next level of performance. […]
TSP ERM FAQ: Everything You Need to Know About Two Stroke Performance’s ECU Reflash Module
1. What is the TSP ERM? The TSP ERM (ECU Reflash Module) is a handheld tuning and diagnostic tool designed for two-stroke dirt bikes. Developed by Two Stroke Performance (TSP), it allows riders to fine-tune their bikes’ fuel, ignition, oil, and power valve settings. It is compatible with various KTM, Husqvarna, GasGas, and Sherco models […]
2024 KTM 350 XW-F Build Breakdown: The Ultimate Trail Machine
2024 KTM 350 XW-F Build Breakdown: The Ultimate Trail Machine Hey everyone, Jeff here from Slavens Racing, and today I’m excited to share the details of a custom build we just finished—a 2024 KTM 350 XW-F. Not only did we build this bike to sort out what makes these 350s run at their absolute best, […]
Trail Etiquette in the Rocky Mountains: A Message from Jeff Slavens
Trail Etiquette in the Rocky Mountains: A Message from Jeff Slavens If you’re hitting the trails in Colorado, it’s crucial to know the essentials for protecting both your ride and the environment. Jeff shares his insights on responsible trail riding, from legal requirements like OHV permits and spark arresters to the importance of preserving the […]
A Closer Look at the KTM 300 TBI: Understanding the Top End Rebuild
Today, we’re diving into the world of two-stroke maintenance with a focus on the 2024 KTM 300 TBI. This applies not only to the 2024 models but also to the 2023 TBI versions of the KTM, Husqvarna, and GasGas lineups. If you’ve got a 250 or 300cc machine from these brands, this one’s for you.
BETA 300RR OFF-ROAD PROJECT BY MIKE WEBB & Slavens Racing: 2-STROKE TUESDAY
A Beta 300RR built by Mike Webb and Slavens Racing is the main focus on this week’s 2-Stroke Tuesday. Webb tells us all about the building and initial testing of his personal machine in his own words below. If you want to see more Beta 300cc two-strokes in action check out the video at the […]
TESTING…TESTING…SLAVENS RACING KTM 300 TBI vs 300 TPI
Both machines were fit with a Slavens Mule MX-Tech Raven 49mm Complete Fork w/ Luxon Triple Clamp, Slavens Mule National shock by MX Tech, Rekluse Core ‘Auto’ clutch, larger Acerbis tanks, XC Gear MAKO 360SX Handlebar Mount, Gummy tires, Nitro Mousse inserts, SXS guards and a glug of other mods. Read More from DirtBike Mag
SLAVENS RACING KTM 300 TPI PROJECT: TWO STROKE TUESDAY – Dirt Bike Mag
Our KTM 300 XC TPI project with Slavens Racing for rider Shaun Langham is our main focus this week’s Two-Stroke Tuesday. This over-the-top build that includes factory level components everywhere you look.
Motoes Handmade Two Stroke Pipes
Handmade cone pipes have traditionally been for the motocross racer needing a custom pipe made specifically for their applications. Over the years, they have become more mass produced, but the trail riders have been left with only motocross style power curves. Enter the Motoes Torque Pipe. The Motoes Torque Pipe is a European made two […]
2023 KTM 890 Adventure R: Graves Dual Sport Titanium Exhaust
The high end components and craftsmanship of the Graves exhaust are immediately noticeable. Equipped with aerospace grade titanium and carbon fiber, this slip on muffler is 3lbs lighter than the stock unit.
Which ECU is Right for You?
Slavens Racing offers quality ECU and tuning options for a variety of bikes, riding conditions and applications. These systems range from a simple ECU reflash or plug and play options, to decked out systems with infinite adjustability with a ton of accessories.
Motorcycle Tire Changers & Stands
There are plenty of dirt bike tire changing stands available – from basic to decked out. Find out which option is the best for you.
Slavens EZ ECU Tuning Reflash
Reflashing your factory TPI ECU is the most cost effective way to improve the performance of your KTM, Husqvarna, or GasGas 125-300cc two stroke.
Rekluse Radius CX
Proper setup is key to enjoying a Rekluse clutch. There are thousands in the field that are box stock, which is fine for some people, but riders with different bike setups and in different conditions have different preferences.
2023 KTM 300 Spark Plugs
The spark plug found in the 2023 KTM 300xc TBI is now an 8 heat range plug. Previous KTM 300 models have come with a 7 heat range spark plug. Which should you use? Is it worth it to upgrade your spark plug?
