Engine Performance
- Custom engine mapping
- Torque and horsepower tuning
- Air/fuel ratio analysis
Harley-Davidson · Sandusky, Ohio
Motorcycle Dyno Tuning
Dyno tuning for all Harley-Davidson models, including bikes and trikes. Get your tune matched to your modifications and riding goals. We also offer OEM ECM flashing on select 2024+ models.
Tuned exclusively with TechnoResearch. Direct ECU tuning for supported Harley-Davidson models. We’ll confirm compatibility with your bike and setup.
Starting at $650
Minimum 3-day turnaround. Timing depends on your bike and the work required.
Help with a previous tune
Good numbers. Disappointing ride?
If your Harley hesitates, surges, or feels flat after being tuned elsewhere, bring us your concerns. Tell us when it happens, what has been changed, and which tuning system is currently on the bike. We’ll discuss compatibility and the next steps with you.
Peak horsepower is only part of the picture. A bike can show a lower peak number on a different dyno chart and still feel stronger and smoother on the road. Throttle response and power delivery through the RPM range matter, too.
Discuss a tuning issue ↗Reading a dyno chart
Before and after, across the rev range.
Compare horsepower and torque at the same engine speed. Solid lines show horsepower; dashed lines show torque. The curve shapes show where output changes through the run. Peak figures alone don’t tell you how a bike responds on the road.
Discuss your bike’s tune ↗Power (hp)Torque (lb-ft)
Before · StockAfter · Cam, exhaust + tuneHorsepowerTorque
Before · Stock
97.65 hpat 5,070 RPM
112.13 lb-ftat 3,720 RPM
After · Modified
136.92 hpat 6,230 RPM
137.63 lb-ftat 3,510 RPM
Stock compared with a Z-Factor RS-534 cam, Vance & Hines Supersport 2-into-1 exhaust, and TechnoResearch tuning.
Optimization Services
Harley Specialization
- Harley-Davidson bikes and trikes
- Classic and modern Harley setups
- Tuning matched to your modifications
Diagnostic Services
- Discuss running issues
- Review engine performance on the dyno
- Assess power delivery through the rev range
A tune with a purpose
Why Choose Dyno Tuning?
Tell us what’s changed on your bike and what you want to improve.
Match your modifications
Discuss tuning after intake, exhaust, cam, or engine upgrades.
Improve rideability
Talk through throttle response, power delivery, and running issues.
Check your options
Confirm your bike’s compatibility, including select 2024+ OEM ECMs.
Before you bring it in
Dyno Tuning FAQs
What tuning system do you use?
We tune exclusively with TechnoResearch, using direct ECU tuning on supported bikes. Send us your year, model, modifications, and any existing tuner so we can confirm compatibility before you bring it in.
Does a higher dyno number always mean a better tune?
No. Different dynos and test conditions can produce different readings, so charts from separate shops are not a direct comparison. Peak output also leaves out throttle response and how power is delivered through the rev range. Our focus is how your Harley performs where you actually ride it.
What does tuning cost?
Dyno tuning starts at $650. Tell the shop about your bike and modifications to discuss your quote.
How long should I allow?
Plan for a minimum of three days. Your bike and the work required can mean a longer turnaround.
Can you tune my trike?
Dyno tuning is available for Harley-Davidson trikes. Send your year and model with your inquiry.
Can I ship my bike?
Out-of-state riders ship bikes to Frosty’s. Contact the shop to discuss arrangements before shipping.
Considering engine work?
Looking for more than a tune?
If your plans include internal engine upgrades or a full performance rebuild, discuss the build with Frosty’s before deciding on tuning alone.
Explore full engine rebuilds ↗More about dyno tuning
What exactly is dyno tuning for motorcycles?
Dyno tuning is a process where we use a dynamometer to measure your motorcycle’s engine performance. We then adjust the air/fuel mixture, ignition timing, and other parameters to optimize your bike’s performance for power, efficiency, and smoothness.
How often should I get my motorcycle dyno tuned?
We recommend dyno tuning whenever you’ve made significant modifications to your engine, exhaust, or air intake systems. Otherwise, a check-up every couple of years can ensure you’re still running at peak performance.
Can dyno tuning improve my bike's fuel efficiency?
Yes, one of the benefits of dyno tuning is improved fuel efficiency. By optimizing the air/fuel mixture and ignition timing, your engine can burn fuel more efficiently, potentially saving you money at the pump.
Do you dyno tune Harley-Davidson trikes?
Yes. Frosty’s Dyno now offers dyno tuning for Harley-Davidson trikes, including popular models like the Tri Glide and Freewheeler.
Precision on the Dyno
Expert Dyno Tuning for Bikes and Trikes
At Frosty’s Dyno Tuning, we bring precision to your motorcycle’s performance. Our dyno tuning process is built to improve horsepower, torque, reliability, throttle response, and overall rideability for Harley-Davidson motorcycles and trikes.
Experience the difference with Frosty’s:
- Customized tuning based on your riding style and modifications
- Advanced diagnostics for accurate performance adjustments
- Dyno tuning available for Harley-Davidson bikes and trikes
Whether you ride on two wheels or three, our dyno tuning services help unlock smoother power delivery, stronger performance, and a more responsive ride. Ready to get the most out of your Harley? It’s time to get tuned with Frosty’s.
Get TunedTell us about your Harley
Request your dyno tuning quote
What’s next for your Harley?
Dial in your current setup or plan a full performance engine rebuild.
Prefer to call? (419) 626-6725