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MS0/MS1 Switching

 Re: MS0/MS1 Switching
Hi. I own a gen 2 (2014) busa and found that fuel map adjustments alone don't make a significant difference to power and torque. Fuel map adjustments to an afr around 12.8-13.0, which are good values for N/A engines just ensure that other complimentary adjustments like ignition timing reduce the risk of detonation. I found that stp and ignition timing made more of a difference. I know there will be those who think injector balance maps should remain untouched unless drag racing, but these maps compliment stp increases. Injector map values don't increase or decrease fuel values, they just arrange the split of fuel delivery percentage by the primary and secondary injectors by the values in the map which are primary injector percentages... Any stp opening of 50% or more I altered the injector balance at the corresponding point (or approximate areas where the load/rpm sites don't correspond on both maps) to values of less than 100% injector balance (about a dozen remaps alone with IB map testing has shown me this). Ignition-wise, I copied a b-king gg3 map onto a busa gg3. There were significant advance and retard areas in the map. I then returned the areas of ignition retard (red areas) to the standard values of a busa gg3 map, which left the visual look of the map with blue and white areas (you'll see what I mean if you experiment). You'll see that blue areas (ignition advance) are approximately similar to throttle increments or your throttle action input throughout the rpm range. I then copied and pasted this entire map to gg2 and gg1 maps (leaving throttle positions 0.0 to 2.5, inclusive and rpm values 800, 1200 & 1600 as standard values to a busa gg1 map, ie 5.1 degrees, otherwise it'll over rev when the clutch is in, 1st gear selected and stationary). I must stress that this works for my busa, which is a standard road bike, using 95 ron fuel, 7.5k miles on clock and engine in excellent condition in the UK climate, ecu code 15H70. It won't wheelie 5th, but without exaggerating, it felt like the difference between riding solo and having a pillion get off after a blast....
 
 Re: MS0/MS1 Switching
I have a Gen2 Hayabusa which I've been working on... The Map Selection default is 0 which is the one I've been working on... I've changed the maps significantly to reflect what the AFR is telling me, but I've had no increase in power, its more or less just stayed the same... But with the amount of changes in the maps, both IAP and TPS, I would have expected something to changed, either up or down, but the power curve is just the same no matter what I do... I'm new to ECU flashing, so still a lot to learn, but I'm not getting anywhere with it... If anyone has some ideas to help me, please ,et me know.... Thanks in advance.... I have a Gen 2 as well but have not touched anything there yet as I am primary concentrating on sorting my track bike first. I do not believe in miracles and there must be an explanation for what you getting. I would suggest you go through your bin configuration settings making sure you have ticked all the unification boxes. Then check if you are not changing the Neutral map or even only an individual cylinder map which is possible if you have not unified the maps. Making changes to one cylinder could possibly not show much in a way of power curve difference :? That is all I can think of really... Oh another thought - I've changed the maps significantly to reflect what the AFR is telling me. Did you use the Autotune function to make the changes to the AFR? It is possible that just correcting the AFR will not make any significant difference to the power output, unless you were running very,very lean or really, really rich, which is not likely on a new Busa. Optimising the AFR is mainly about fuel efficiency and smoothness. Unless I am mistaken the power lies in ignition timing and then corresponding fuelling changes to make sure the AFR is correct.
 
 Re: MS0/MS1 Switching
I have a Gen2 Hayabusa which I've been working on... The Map Selection default is 0 which is the one I've been working on... I've changed the maps significantly to reflect what the AFR is telling me, but I've had no increase in power, its more or less just stayed the same... But with the amount of changes in the maps, both IAP and TPS, I would have expected something to changed, either up or down, but the power curve is just the same no matter what I do... I'm new to ECU flashing, so still a lot to learn, but I'm not getting anywhere with it... If anyone has some ideas to help me, please ,et me know.... Thanks in advance....
 
 Re: MS0/MS1 Switching
Yeap, still runs & logs to MS0! It seems that this portion of the software is completely useless. Done a wire cutting job with a toggle switch. Now it works. :roll:
 
 Re: MS0/MS1 Switching
Changing the settings didn't have any affect on my bike with US K8 1000 ECU and US harness. Only option was to cut the wire and now it's in full power mode. :) So what was your default map before cutting the ground wire ? MS0 even though map switching was disabled. That completely sucks! :evil: I'll need to check my logs now and see if any MS1 data got logged with that selection in advanced settings. If not, then there should be some message popping out in the software about a need for the wire cutters, because just selection from the dropdown menu does one big f#ck all. I am guessing a lot of users got caught with their pant down on this one.
 
 Re: MS0/MS1 Switching
Changing the settings didn't have any affect on my bike with US K8 1000 ECU and US harness. Only option was to cut the wire and now it's in full power mode. :) So what was your default map before cutting the ground wire ? MS0 even though map switching was disabled.
 
 Re: MS0/MS1 Switching
Changing the settings didn't have any affect on my bike with US K8 1000 ECU and US harness. Only option was to cut the wire and now it's in full power mode. :) So what was your default map before cutting the ground wire ?
 
 Re: MS0/MS1 Switching
Changing the settings didn't have any affect on my bike with US K8 1000 ECU and US harness. Only option was to cut the wire and now it's in full power mode. :)
 
 MS0/MS1 Switching
Just a note to warn (learned the hard way :roll: ) that selecting "Switchable" in MS0/MS1 Switching option of Advancved Settings, without cutting the ground to the model appropriate pin in the ECU and installing a switch, will make the MS0 map your default map. That can leave you puzzled where the big chunk of your engine power has gone all of a sudden :lol:
 
 
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