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  • Gurued Gear ECU Reflash by Tim Nash
  • Gen 2 VMAX ECU Reflash

ECU Re-Flash Service - 4 into 2 Maxflow/UFO with MAB Ver 2 (09-18 All)


Product Description

ECU Re-Flash Tune File for:

 4 into 2 Exhaust System

 with Modified Air Box

Version 2

High Performance ECU RE-Flash for the second generation Yamaha VMX17 V-Max equipped with 4 into 2 Medium Length Tube Mid Pipe (Maxflow, UFO, VooDoo) Style Exhaust System, Modified Air Box and a K&N Air Filter.  


This tune was developed to meet the fuel, throttle and ignition requirements of the VMX17 V-Max equipped with 4 into 2 short tube mid pipe (Maxflow, UFO, VooDoo) Style exhaust system and a modified Air Box with a K&N Air Filter. 

Some of the Features:

  • Rev Limit increased
  • Speed limit removed
  • Throttle By Wire restrictions removed
  • Excessive timing retard eliminated
  • Individual Cylinder's Alpha N and Speed Density Fuel Table re-tuned
  • YCC-T Opening rate adjusted for better cruise response and maximum throttle angle adjusted for peak Horsepower
  • Slight throttle openings are more tame and the response is slightly more mild and manageable
  • EXUP servo can be eliminated
  • Air Induction System valve can be permanently switched closed
Off-throttle engine braking in the first 3 gears has been reduced


For use in sanctioned closed course events only.


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