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Thanks for the shoutout @Wnuudiction! Our community is small but we're very resourceful. There's a couple members with inside lines on new and used parts, a few that take on repair jobs that the owner would rather not deal with, some that have suspension expertise and our resident software...

Was out riding with TCMB371 today at FOX raceway. The videos he does don’t show the “hugeness” of some of the obstacles at Fox. Bryan Handled them all with style. I stuck to the vet track, lol.

The easiest way to really understand what’s happening inside the controller/inverter is to search for the main components and pull up their data sheets. There’s typically a pretty basic description of what the part does at the beginning of each data sheet. That and a little logic will go a...

Looks good to me! Probably the newest part in the bunch. Those couple chips with the silver paint markings is what you want to see.

WOW! You are adventurous and quite determined as I know from personal experience how difficult it is to open up the ACM without damaging the circuit board or components on it. Man, that looks pretty old, way different from any ACM I've seen (although the basic layout is recognizable). The key...

Heck no, I can fix anything on that bike but the components with bootloaders. Eventually, those parts will die and without spares so will my bike.

If the parts are off previously working bikes you have a pretty good chance of getting everything to play. However, if some of the modules are from old Alta inventory there's a good chance the CAN bootloaders were never loaded. If that's the case you'll never get that particular node to...

I'm friends with John Concialdi (one of the original founders of AEM) and have emailed him regarding this new product line. At first glance it appears to be the signal processing end of what we would consider our inverter, so it's only half the equation. Fundamentally, it would need to...

I've got a mechanical fix that usually works and costs almost nothing. However, if you can get a firmware solution first that's the way to go. If not shoot me a PM and I'll provide the details. Mark.

Isolation I suspect. 350v pushes pretty hard on every component in the high voltage system. Like a pressurized air cylinder, if the individual parts are not rated for the pressure (voltage) they'll be liable to fail (short). This could lead to a human safety situation and big liability. 350v...

I can almost (note the qualification) say that without a high voltage motor any bike over 15kws is going to be 20-25 lbs heavier than the Alta assuming similar sized packs. It’s just the nature of the beast.

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I got both types in stock but we wanted to keep the cost as low as possible to start with. If the panos proved adequate then decision made. If not we’d need to consider another cell (like the Sony).

Nothing involving dirt bikes is big bucks, it’s a matter of limiting your losses.

Testing . A video example of the hill climb potential (click "testing"). On slope from a dead stop. The incline is much steeper than it looks from this perspective.

72 nominal! 84 at 4.2v per cell.

Ok, @Rishid510 wins! The original Alta (MX) uses Panasonic NCR 18650 BD cells. The data sheet on these cells say 3.6v, 3180ma typical (I measured more like 3150). The voltage - You know the voltage =72, so 72/3.6 = 20 cells in series, easy. From the dyno chart 10.5hp = 7.8kw. @90%...

Close, but your assumptions about the cell are probably off. The cell you modeled wouldn't be a good candidate for this application. Another clue, think original ALTA cell. Isn't this FUN! Lol.