MV Augusta F3 675 Eldor ECU reflash with ECUstudio

I’ve recently had occasion to spend some time on the dyno with an MV Agusta F3 675 with fuel exhaust while doing it’s ECU reflash!

Scritto da/Written by Gabro    
    

I’ve recently had occasion to spend some time on the dyno with an MV Agusta F3 675 with fuel exhaust while doing it’s ECU reflash. Reflash is based on customization of the MV Corse racing map, that allow ex-valve removal with no alarm on the dash and it’s already roughly tuned for no-kat exhaust.

So with the use of ECUstudio software I’ve firstly loaded the Corse map in the ECU, connected my data acquisition system, and started playing with that nice bike!

At first, I’ve tuned full load: here the Corse map is already fairly good but adjusting fueling while testing some different ignition timing, ride by wire and torque maps ended in some nice gains! +4hp’s and +2Nm as shown in the graph below!

I had a bone stock F3 on the dyno some time ago, It was pushing a nice 125hp power (RED graph below). Full exhaust + Corse Map (GREEN graph) boost the 10 to 15.000rpm performance but cause a small dip at 7500rpm. Gabro Racing Team custom map (BLUE Graph) cure the dip and improves further both the power and the torque figures. That’s an impressive +8hp’s more in the 11 to 13.000rpm zone compared to stock bike:

Here we comes to part throttles: here below the Gabro Racing Team Corse modded map reflash graphed at 30% and 50% handle opening added to the full power graph, power and torque:

I’ve been able to improve a lot the part throttle performance, what basically is where you mainly ride your bike on the street and you really feel any gain in terms of better rideability. Improved part throttle usually bring better mileage too. Graph below shows power gains at 30%, 50% and 100% Gabro Racing Team Corse modded map reflash VS std Corse map:

It has been a nice occasion to make a promo video of mines (check my Youtube page for more!), with data acquisition overlay:


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