Yamaha XT660

The re-flash offer:

New fuel tables

New ignition timing tables (That will cure the surging 100% and that is the main problem of this ecu no matter what the O2 eliminator’s manufacture says)

New Rev limiter at 7.850 rpm or more depends engine potential

New fan working temperature open at 96 and close at 92 degrees celsius

Disable deceleration fuel cut for perfect throttle response

Set AIS valve in closed position

Disable O2 sensor and compensation maps

Disable immobilizer function(only for racing use)

All the driveability inhibitors removed

Air filter kit dna stage 2 ,modified oem exhaust canister and re-flash