Harley Fuel Injection Tuning Systems
Harley-Davidson Fuel Injection Tuning Systems at JJ Motorsports
Optimize your Harley's EFI performance with premium tuning systems from JJ Motorsports, featuring advanced ECU controllers and auto-tune modules for precise fuel mapping, throttle-by-wire integration, and dyno-level gains on Twin Cam, Milwaukee-Eight Softail, and Touring models. These plug-and-play kits deliver smoother power delivery, better throttle response, and self-learning calibration without dyno visits.
Shop Daytona Twin Tec and ThunderMax EFI tuning systems for race-proven reliability. Explore related categories such as Harley air and fuel for air cleaners and jets, or Harley for exhaust and cams to complete your EFI upgrade and unleash V-Twin potential.
Top Harley-Davidson Fuel Injection Tuning Systems
- Daytona Twin Tec LLC Fuel Injector Generation 6 Controller Twin Cam 17700 – Gen 6 EFI controller for Twin Cam engines; USB tuning with closed-loop O2 feedback for custom mapping.
- ThunderMax ECM with Auto-Tune 14-16 FLT 309-562 – Plug-and-play ECM for 2014-2016 Touring; self-tuning with touchscreen interface for throttle-by-wire models.
- ThunderMax ECU with Auto-Tune 18 Softail 309-589 – Auto-tuning ECU for 2018 Softail; seamless integration with Milwaukee-Eight for instant gains.
- ThunderMax ECM with Auto-Tune Non Throttle by Wire 309-460 – ECM for non-TBW Harleys; automatic fuel tuning for cleaner running and more torque.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
DAYTONA TWIN TEC LLC Fuel Injector Generation-6 Controller - Twin Cam 17700
DAYTONA TWIN TEC LLC
$1,285.95Precision fuel management separates consistent power delivery from erratic performance on the dyno and the track. The DAYTONA TWIN TEC LLC Fuel Injector Generation-6 Controller eliminates manifold pressure dependency with advanced Alpha-N fuel control,...10202383- SKU:
- 10202383
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- BASE COLOR:
- WHITE
- FEATURE:
- INCLUDES OXYGEN SENSOR
- OXYGEN SENSOR PLUG SIZE:
- 18,00 MM (0,71')
- PRODUCT NAME:
- FUEL INJECTION CONTROLLER
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- WHITE
- OXYGEN SENSOR BAND:
- WIDE-BAND
- PROGRAMMING:
- AUTOTUNE
- PROGRAMMING:
- PRE-PROGRAMMED
- PROGRAMMING:
- PROGRAMMABLE
- BASE COLOR:
- BLACK
- OXYGEN SENSOR PLUG SIZE IMPERIAL:
- 0.71'
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- COLOR/FINISH:
- BLACK
- OXYGEN SENSOR PLUG SIZE METRIC:
- 18.00 MM
- UNITS:
- KIT
$1,285.95 -
THUNDERMAX ECM with Auto Tune - '11 FXST 309-361
THUNDERMAX
$1,088.95Stock ECMs limit your '11 FXST's potential—they can't adapt to aftermarket modifications or optimize for your specific riding conditions. The ThunderMax ECM with Auto-Tune replaces that factory limitation with a closed-loop tuning system that...10201848- SKU:
- 10201848
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MODEL:
- THUNDERMAX
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- PROGRAMMING:
- DOWNLOADABLE MAPS
- UNITS:
- KIT
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- PROGRAMMING:
- AUTOTUNE
- TYPE:
- AIR/FUEL RATIO
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
- OXYGEN SENSOR BAND:
- WIDE-BAND
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
$1,088.95 -
THUNDERMAX ECM with Auto Tune - '02-'13 V-Rod 309-466
THUNDERMAX
$1,088.95Factory ECM tuning limits your V-Rod's potential—the ThunderMax ECM with Auto-Tune unlocks real performance gains by continuously adapting your air/fuel ratio to actual riding conditions rather than fixed parameters. Skip the dyno shop and tune your bike...10201853- SKU:
- 10201853
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- MODEL:
- THUNDERMAX
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- PROGRAMMING:
- DOWNLOADABLE MAPS
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- PROGRAMMING:
- AUTOTUNE
- TYPE:
- AIR/FUEL RATIO
- RIDING STYLE:
- STREET
- OXYGEN SENSOR BAND:
- WIDE-BAND
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
$1,088.95 -
THUNDERMAX ECM with Auto Tune - '14-'16 FLT 309-562
THUNDERMAX
$1,088.95Factory ECMs limit your bike's potential—they can't adapt to aftermarket modifications or optimize for your specific riding style. ThunderMax ECM with Auto-Tune replaces that constraint with a closed-loop tuning system that continuously adjusts your...10202118- SKU:
- 10202118
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- BASE COLOR:
- BLACK
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- PROGRAMMING:
- AUTOTUNE
- PROGRAMMING:
- DOWNLOADABLE MAPS
- MODEL:
- THUNDERMAX
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- OXYGEN SENSOR BAND:
- WIDE-BAND
- TYPE:
- AIR/FUEL RATIO
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$1,088.95Qty in Cart: 0Quantity:Price:$1,088.95Subtotal: -
THUNDERMAX ECM with Auto Tune - Non-Throttle By Wire 309-460
THUNDERMAX
$1,088.95Factory ECM tuning is a compromise—it's built to satisfy EPA regulations and broad compatibility, not maximize your bike's performance. The ThunderMax ECM with Auto-Tune replaces that limitation with a closed-loop system that continuously adjusts your...10201851- SKU:
- 10201851
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- MODEL:
- THUNDERMAX
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- PROGRAMMING:
- DOWNLOADABLE MAPS
- RIDING STYLE:
- STREET
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- OXYGEN SENSOR BAND:
- WIDE-BAND
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- PROGRAMMING:
- AUTOTUNE
- BASE COLOR:
- BLACK
- TYPE:
- AIR/FUEL RATIO
- UNITS:
- KIT
$1,088.95 -
THUNDERMAX Electronically Commutated Motor with Auto Tune - '16-'17 Softail 309-563
THUNDERMAX
$1,088.95Tuning your Softail's fuel delivery and ignition timing doesn't require expensive dyno sessions or guesswork—the ThunderMax ECM handles it automatically. Dual wide-band oxygen sensors constantly monitor your bike's combustion efficiency across all riding...10202850- SKU:
- 10202850
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
$1,088.95 -
THUNDERMAX Module with Auto Tune - '08-'13 FLHT 309-362
THUNDERMAX
$1,088.95Factory ECM tuning leaves performance on the table—ThunderMax Auto-Tune delivers adaptive, closed-loop fuel mapping that continuously adjusts to your engine's specific setup without requiring a dyno. Whether you're running bolt-on modifications or forced...10200836- SKU:
- 10200836
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- PROGRAMMING:
- AUTOTUNE
- MODEL:
- THUNDERMAX
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- PROGRAMMING:
- DOWNLOADABLE MAPS
- TYPE:
- AIR/FUEL RATIO
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- RIDING STYLE:
- STREET
- OXYGEN SENSOR BAND:
- WIDE-BAND
$1,088.95 -
THUNDERMAX ECM with Auto Tune 309-382
THUNDERMAX
$1,088.95If you're running a tuned Harley or performance big twin, your factory ECM is holding you back. The ThunderMax ECM with Auto-Tune 309-382 replaces that limiting computer with a closed-loop tuning system that continuously adapts your air/fuel ratio across...10202360- SKU:
- 10202360
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MODEL:
- THUNDERMAX
- OXYGEN SENSOR BAND:
- WIDE-BAND
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- RIDING STYLE:
- STREET
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- TYPE:
- AIR/FUEL RATIO
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- PROGRAMMING:
- AUTOTUNE
- PROGRAMMING:
- DOWNLOADABLE MAPS
$1,088.95 -
THUNDERMAX ECM with Auto Tune 309-485
THUNDERMAX
$1,088.95Factory ECM tuning limits your bike's potential—the ThunderMax 309-485 unlocks it. This plug-and-play fuel management system uses real-time wide-band oxygen sensors and closed-loop control to continuously self-adjust your air/fuel ratio across all riding...10202361- SKU:
- 10202361
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- MODEL:
- THUNDERMAX
- BASE COLOR:
- BLACK
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- FEATURE:
- INCLUDES TWO OXYGEN SENSORS
- PROGRAMMING:
- AUTOTUNE
- PROGRAMMING:
- DOWNLOADABLE MAPS
- RIDING STYLE:
- STREET
- OXYGEN LOOP CONTROL:
- CLOSED LOOP
- OXYGEN SENSOR BAND:
- WIDE-BAND
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- TYPE:
- AIR/FUEL RATIO
- UNITS:
- KIT
$1,088.95 -
DYNOJET Power Vision Shop Kit PV-TK3
DYNOJET
$1,663.31If you're running a professional shop or serious tuning operation, the DYNOJET Power Vision Shop Kit PV-TK3 gives you the precision tuning capability you need without requiring a dedicated Dynojet dyno. This all-in-one system handles multiple bikes with...10202523- SKU:
- 10202523
- Availability:
- Ships Same Business Day
- Weight:
- 4.56 LBS
- MODEL:
- POWER VISION
- PRODUCT NAME:
- TUNER KIT
- PROGRAMMING:
- PROGRAMMABLE
- UNITS:
- KIT
- BASE COLOR:
- RED
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- PROGRAMMING:
- AUTOTUNE
- PROGRAMMING:
- DOWNLOADABLE MAPS
- PROGRAMMING:
- PRE-PROGRAMMED
- BASE COLOR:
- BLACK
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- TYPE:
- SHOP
$1,663.31 -
DYNOJET Power Vision Target Tune with O2 Sensor - Harley-Davidson TT-1
DYNOJET
$706.65Precision fuel tuning on modern Harley-Davidson models demands a solution that works with your factory ECM rather than against it. The DYNOJET Power Vision Target Tune with O2 Sensor bridges the gap between OEM reliability and real-time adaptive fuel...10202483- SKU:
- 10202483
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- PROGRAMMING:
- PRE-PROGRAMMED
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MODEL:
- TARGET TUNE
- PRODUCT NAME:
- TUNING MODULE
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- FEATURE:
- INCLUDES OXYGEN SENSOR
- RIDING STYLE:
- STREET
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- UNITS:
- KIT
$706.65 -
DYNOJET Power Vision Target Tune without O2 Sensor - Harley-Davidson TT-1X
DYNOJET
$353.32If you're running a Harley-Davidson TT-1X and want precise fuel mapping without ditching your factory O² sensor, the DYNOJET Power Vision Target Tune delivers real-time calibration while keeping your bike street-legal and diagnostic-friendly. This tuner...10202484- SKU:
- 10202484
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- FEATURE:
- WITHOUT OXYGEN SENSOR
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MODEL:
- TARGET TUNE
- PRODUCT NAME:
- TUNING MODULE
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- UNITS:
- KIT
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- PROGRAMMING:
- PRE-PROGRAMMED
- RIDING STYLE:
- STREET
$353.32 -
DYNOJET Power Vision Target Tune with O2 Sensor - Harley-Davidson TT-2
DYNOJET
$706.65Achieving your target air-fuel ratio on a Harley-Davidson shouldn't require an expensive ECU swap or custom tuning that breaks dealer compatibility. The DYNOJET Power Vision Target Tune with O2 Sensor integrates seamlessly with your factory ECM, allowing...10202485- SKU:
- 10202485
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BASE COLOR:
- RED
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- PROGRAMMING:
- PRE-PROGRAMMED
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- COLOR/FINISH:
- RED
- FEATURE:
- INCLUDES OXYGEN SENSOR
- MODEL:
- TARGET TUNE
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- TUNING MODULE
- UNITS:
- KIT
$706.65 -
DYNOJET Power Vision Target Tune with O2 Sensor - Harley-Davidson TT-3
DYNOJET
$706.65The DYNOJET Power Vision Target Tune with O2 Sensor bridges the gap between factory reliability and custom tuning precision. By allowing your factory ECM to process wideband oxygen sensor data in real time, you gain adaptive fuel control and performance...10202487- SKU:
- 10202487
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- UNITS:
- KIT
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- FEATURE:
- INCLUDES OXYGEN SENSOR
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MODEL:
- TARGET TUNE
- PRODUCT NAME:
- TUNING MODULE
- PROGRAMMING:
- PRE-PROGRAMMED
$706.65 -
DYNOJET Power Vision Target Tune without O2 Sensor - Harley-Davidson TT-3X
DYNOJET
$315.54The DYNOJET Power Vision Target Tune eliminates the guesswork from fuel mapping on your Harley-Davidson. By working seamlessly with your factory O² sensor, this tuner achieves your target air-fuel ratio in real time while preserving OEM closed-loop...10202488- SKU:
- 10202488
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- PROGRAMMING:
- PRE-PROGRAMMED
- UNITS:
- KIT
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- FEATURE:
- WITHOUT OXYGEN SENSOR
- MODEL:
- TARGET TUNE
- PRODUCT NAME:
- TUNING MODULE
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
$315.54 -
DYNOJET Power Vision Target Tune without O2 Sensor - Harley-Davidson TT-4X
DYNOJET
$353.32Fine-tuning your Harley-Davidson's fuel mapping without removing the factory O2 sensor gives you real-time adaptive control while preserving dealer diagnostics and warranty protection. The Power Vision Target Tune learns and corrects your VE table as you...10202490- SKU:
- 10202490
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- TUNING MODULE
- UNITS:
- KIT
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- FEATURE:
- WITHOUT OXYGEN SENSOR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- RED
- MODEL:
- TARGET TUNE
- PROGRAMMING:
- PRE-PROGRAMMED
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
$353.32Qty in Cart: 0Quantity:Price:$353.32Subtotal: -
DYNOJET Power Vision Target Tune without O2 Sensor - Harley-Davidson TT-5X
DYNOJET
$353.32If you're running a Harley-Davidson TT-5X and want to optimize fuel mapping without sacrificing OEM diagnostics or closed-loop operation, the DYNOJET Power Vision Target Tune delivers real-time calibration adjustments while keeping your factory ECM fully...10202492- SKU:
- 10202492
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- PROGRAMMING:
- PRE-PROGRAMMED
- UNITS:
- KIT
- BASE COLOR:
- GRAY
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- FEATURE:
- WITHOUT OXYGEN SENSOR
- MODEL:
- TARGET TUNE
- PRODUCT NAME:
- TUNING MODULE
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
$353.32 -
DYNOJET Power Vision Target Tune without O2 Sensor - Harley-Davidson TT-7X
DYNOJET
$353.32If you're running a Harley-Davidson TT-7X and want precision fuel mapping without gutting your factory diagnostics, the DYNOJET Power Vision Target Tune delivers real-time calibration adjustments while keeping your OEM closed-loop system intact. This...10202496- SKU:
- 10202496
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BASE COLOR:
- BLACK
- FEATURE:
- WITHOUT OXYGEN SENSOR
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MODEL:
- TARGET TUNE
- PRODUCT NAME:
- TUNING MODULE
- UNITS:
- KIT
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- WHITE
- PROGRAMMING:
- PRE-PROGRAMMED
- RIDING STYLE:
- STREET
$353.32 -
DAYTONA TWIN TEC LLC Fuel Injection Controller to Carburetor 17403
DAYTONA TWIN TEC LLC
$821.95Converting your Big Twin or XL from Delphi EFI to a carburetor setup? The Daytona Twin Tec LLC Fuel Injection Controller (MPN 17403) makes the transition seamless—no wiring harness modifications, no rewiring nightmares. Your turn signals and security...10202033- SKU:
- 10202033
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BASE COLOR:
- BLACK
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- PRODUCT NAME:
- ELECTRONIC CONTROL MODULE
- PROGRAMMING:
- PRE-PROGRAMMED
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- STREET
- BASE COLOR:
- WHITE
$821.95Qty in Cart: 0Quantity:Price:$821.95Subtotal: -
DAYTONA TWIN TEC LLC Controller Twin-Tuner 2 16200
DAYTONA TWIN TEC LLC
$384.95If you're running modified fuel injection and ignition on a carbureted or OEM-mapped twin-cylinder engine, you need precise control over air-fuel ratios and spark timing to extract performance without breaking reliability. The Daytona Twin Tec LLC...10200948- SKU:
- 10200948
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- COLOR/FINISH:
- BLACK
- PROGRAMMING:
- PROGRAMMABLE
- BASE COLOR:
- BLACK
- BASE COLOR:
- WHITE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- WHITE
- MODEL:
- TWIN TUNER II
- PROGRAMMING:
- DOWNLOADABLE MAPS
- UNITS:
- EACH
- PHYSICAL CONNECTION:
- PLUG-IN (OEM STYLE CONNECTORS)
- PRODUCT NAME:
- FUEL INJECTION CONTROLLER
$384.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Fuel Injection Tuning Systems
- Compatibility: Ensure the tuner fits your Harley's model (e.g., Twin Cam, V-Rod 2002-2013, Touring FLHT 2014-2016, Softail 2016-2017) and engine type (e.g., fuel-injected, throttle-by-wire or non-TBW). Use the vehicle selector for year-specific matches to avoid wiring or calibration issues.
- Type of Use: For street touring or modified bikes, select auto-tune ECMs for self-calibrating efficiency; high-performance or dyno-tuned setups benefit from wideband controllers with data logging for precise air/fuel adjustments in demanding conditions.
- Components and Upgrades: Choose systems with ECU controllers, auto-tune modules, wide-band O2 sensors (e.g., Bosch LSU 4.2), harnesses, and USB interfaces. Add upgrades like target tune kits for adaptive control or shop tuners for multi-bike use.
- Brand and Quality: Opt for ThunderMax for ECMs with touchscreen auto-tune, Dynojet for Power Vision wideband systems with datalogging, or Daytona Twin Tec for Gen 6 controllers with O2 feedback. Prioritize dyno-proven, plug-and-play designs for reliability and performance gains.
- Installation and Cost: Most are plug-in with OEM connectors for easy DIY setup; include software and manuals. Prices range from $595 for basic tuners to $1,285 for advanced controllers—factor in free software updates and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models do these fuel injection tuning systems support? Systems support models like Twin Cam, V-Rod (2002-2013), Touring FLHT (2008-2016), Softail (2016-2017), and more—use the year/make/model filter for exact compatibility with throttle-by-wire or non-TBW setups.
- How do auto-tune systems improve performance? They self-calibrate air/fuel ratios using wide-band O2 sensors for smoother power, better throttle response, and no dyno required, ideal for modified engines.
- What is typically included in a tuning kit? Kits often include ECU/modules, wide-band sensors, harnesses, USB cables, software, weld nuts, and manuals for complete installation and tuning.
- Are these systems plug-and-play? Yes, with OEM-style connectors and closed-loop feedback, they install easily without ECU removal, supporting custom maps via PC.
- What if a system doesn't fit my Harley? Verify engine type, year, and throttle system before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related air and fuel parts? Yes—explore air cleaners, fuel pumps, or carbs in the Harley air and fuel category to complement your tuning system for optimal efficiency.
