ElectricMotorcycleForum.com

You're in the right ballpark, considering an 11kW gas bike (the legal limit for A1 class 125s in Europe) will do 70-75mph and they have less efficient transmissions you could manage 60mph with less. The difficulty with this question is how does that power vary over the charge of the battery. You could in theory have a bike that can manage 11kW right up until the battery is dead if it's not using the battery to the full potential at a higher state of charge, but most aren't configured that way. And also the power output is generally only listed for a full charge.

If we do a little bit of rough math then a 33kW Zero is pulling roughly 285A from a freshly charged battery, if it can manage the same at 10% then it's down to about 27kW. If we multiply 11kW by that same 1.2x then we get just over 13kW at 100% and 11kW down at 10%. I don't know how realistic that is though, if it scales that way or if more voltage sag at a lower state of charge needs to be taken into account.

Looking at most of the sub-motorcycle scooters - 11kw minimum to get over 100km/h. I recall someone doing some testing on their energica, at 50% SOC I think they were down to 75-80% power output. Continuing this assumption I'd look at least something that delivers a nominal 15kw continuous power

I can't tell you what the minimum requirement would be, however one of the 7.2kW/h Zeros would easily do that and still get you there at a reasonable rate. I think I've had mine down to sub 20% and still been able to get up to 60mph.

I was considering getting a street legal electric motorcycle, but wondering, what all specs would one need if they want to make sure the bike will still hit 60 or 65mph with a battery that's half dead?  I'm like 5'7" 175lb

Id make sure you got a good charge on it and let it do it's thing and get a nice balance at the top end and you should be fine.  I have Energica bikes and while they won't let you stomp them up to full speed, you can still reach it, albeit quite a bit slower than when they got a better charge on them.

Thanks Aaron, I think this might also have to do with software. On my "old" 2019 SR/F I only get to use 15.6 kWh from it, less considering nominal vs. usable capacity.

Hello uli I think that is my post that you are referring to
In the beginning I had a lot of trouble with my ease ease 9 long story short I think they were doing everything possible to keep me from filing a lemon law claim 

The TC and ABS are both indicated using the same lights. IIRC the bike uses a TC-like system to mimic ABS on regen so it's likely that's what you're seeing indicated.

I dunno about the aggressiveness though, that's kinda weird, most likely issue is a sensor problem. If it's not too much of a logistical problem I'd take it back to the shop and say "after you did some work this is happening" and see what they say.

Hi,

I once read here that someone brought his ss9+ up to the performance of the ribelle (126kw). I would be interested to know if this is possible with a pure software update or whether it takes more efforts.
 Thaks in advance for all info and comments.

Uli

Hello all,
2023 SS9 in Denver Co. I just got FW 43 and chain/sprocket set. I have traction control set to 1 but I can turn it off with the same results. I have my regen set to the strongest, dont like using the brakes when I dont need to..
Symptoms
When Im above 30 mph and let off on the throttle, in any conditions or scenarios the traction control lights flash quite often and I have regen sputters at about 10% of the time. As in I let off at say 60mph and the TC lights flash, the bike jerks as if it cant handle the strong regen and cancels it out until 30 mph.
Before I got the work done I could let off at 90 mph and regen would slow me to a stop very quickly.
Anyone have Ideas or thoughts?
Thanks
Joe

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