ECU Re-Flash Service - 4 into 1 Slip-On with MAB Ver 2

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ECU Re-Flash Tune File for:

4 into 1 Slip-On

with Modified Air Box

Version 2

High Performance ECU RE-Flash for the second generation Yamaha VMX17 V-Max equipped with a 4 into 1 Slip-On 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 a VelociRaptor 4 into 1 Slip-On exhaust system, a modified Air Box and a K&N Air Filter. The VelociRaptor system is no longer available, but this tune may be a near match for your 4 into 1 slip-on system. A "Slip-On" system utilizes the original stock front and rear primaries commonly referred to as "header pipes". 

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
  • Off-throttle engine braking in the first 3 gears has been reduced
  • EXUP servo can be eliminated
  • Air Induction System valve can be permanently switched closed


The Typical Process: Your ECU will be re-flashed and returned to you. This requires the removal of your ECU from your bike and shipping it to our facility to be Re-Flashed. Typical turn around should average 3 to 5 days. 

*****Note: During the checkout process, you must agree to the Terms and Conditions of utilizing this site and agree to Release of Liability for the re-flash service. 

For use in sanctioned closed course events only.

Body or Faring Modification Required :
Installation Difficulty :

Search Filters

GuruedGear LLC Custom ReFlash :

Re-Flash Features

Fuel Tune For Type Exhaust System :
CycleShack VRaptor 4 into 1 Slip-On
Fuel Map for Type Air Box :
Modified Air Box
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Disclaimer and Release of Liability
  • Readme
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