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Velocity Devices manufactures aftermarket ECU and CDI for Suzuki, Yamaha and Kawasaki. They also specialize in speed limiter modules for fleet management.
Replacement 2008-2011 Brute Force 750 / 2009 Teryx 750 harness for the Copperhead ECU.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Kawasaki Brute Force 750. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Yamaha Rhino 700. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Suzuki King Quad 750. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Kawasaki Teryx 750. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Yamaha Grizzly 550. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
Replacement 2009-2011 Grizzly 550/700 / 2008-2011 Rhino harness for the Copperhead ECU.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Yamaha Grizzly 700. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Suzuki King Quad 750. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains. This model is only for 2014-2015 non-North...
The Copperhead® ECU is a plug and play replacement (not a piggyback solution) for the stock ECU in the Suzuki King Quad 750. It controls the timing and fuel, and our high energy and repetitive fire ignition allows for crisper throttle response, reduced fuel consumption, while giving substantial power gains.
Replacement 2014-2018 Suzuki King Quad 750 harness (connector with 3-rows of pins) for the Copperhead ECU.
Get more consistent power output with our Intake Air Temperature relocation kit. Works with the stock ECU or our Copperhead ECU. NOTE: Only works for 2005-2018 model years.
The Live Tuner is the most advanced engine tuning device available, and is compatible with all Copperhead® ECU (CDI not currently supported). The Live Tuner requires the CopperheadEFI Windows application: COPPERHEAD EFI WINDOWS APPLICATION
Replacement Copperhead ECU main unit. Typically, the electronics in the main unit can be repaired. If it is damaged beyond repair, this replacement main unit would be required. This unit can be connected to any of our harnesses to make a fully functional ECU or CDI.
Configurable speed limiter for select ATV and UTV. Protect your assets by installing our affordable speed limiters. Limiting the machines maximum speed reduces the risk of damage from careless drivers, abuse, and legal liability. Extend machine replacement intervals due to reduced wear and abuse.