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I agree solving supply chain issues in battery manufacturing is going to be the dominant factor in who can deliver EV product for the next few years. Hopefully Stark is agile enough to figure it out.

Thread hijack complete… I will have to PM the OP and apologize. You can see in the posting I linked above the battery has an R logo and the slanted connector on top. So as claimed in the listing… that one appears to be an A pack with an R logo. I wonder if @E-Bro has the same thing… just a...

Now that we have totally hijacked this thread: AHA! I knew I remembered hearing about that somewhere before! Here is one marked Vin #032? Supposedly an updated A pack in a case with an R logo? Sold 2018 EX I'm assuming it's not the same one, I wonder how many of these might exist?

I confirm changing a wiring harness on any bike is a PITA

Fork is probably the same... I think the only difference between the XC and XC-W is the rear suspension on the W ( woods ) version is a direct swingarm mount and the XC has a linkage.

Hey E-Bro, I have an EX and MX both with A packs, one with a dead DC-DC section. I am VERY interested in this R pack conversion you have... I think @Rashid510 and I discussed this as a possible solution to A pack problems but I didn't know if it would work, I guess R packs are more readily...

I did not, I ended up reconnecting multitool and running a bunch of tests, that also produced no errors.

PM sent

So I played with it a bit more this morning. I fed 12v (actually 13.2) from a backup battery into the running light power feed. Attaching power makes the blue light on top of the battery pack start blinking with the key off or on and it draws 8w. Key on will start the bike and coolant pump and...

I was thinking of 4s LiFePo4 I think that has a nominal voltage of 12.4. Those can be a little tough to source so I was thinking something like This rc battery with a voltage regulator. 3s is a nominal voltage of 11.1, and for some reason I think the Alta might run a bit hot voltage wise. The...

I was on HobbyKing.com this morning looking at 10aH 4s batteries 😎

Latest: @Rashid510 suggested it might be possible to back feed power into the 12v system. So I attached a 12v power supply via the water pump power line which then allowed me to power up the bike. So probably it is the dc-dc section of the BCU that has failed. Good news is this is probably a...

Update: fresh 9v was no help.

My battery is now sitting on the bench, I'm hoping someone who has tackled this problem on an A pack will chime in.

Bump. I saw this bike when I bought one of the other ones. It is better than showroom condition except the tires which are in almost new condition. Mine came with EVERYTHING including NY road title, 2 keys, and a nice KTM folio for all your docs. These NY road use titles are a pain to get...

I always just walked off and left the key on while it charges… but I’m a new owner so that is like 10-15 times. Then the bike would be asleep when you get back. Is it normal for the bike to go to sleep if you leave it inactive or after charging? Then key off and back on and “whirr” water pump...

Is this still available?

Yes it works now thanks!

Crossed fingers Managed to wiggle out the 9v but it was fine. Oh well, guess I’ll go ahead and drop the battery since it always seems to be there.

Hi Left my 2018 EX charging with the key on and when I came back ~5 hours later it had turned off and would not turn back on