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Author Topic: 2020 Zero FXS completely dead  (Read 3441 times)

Mr T

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Re: 2020 Zero FXS completely dead
« Reply #15 on: September 15, 2020, 07:18:40 AM »

Not to pile on here, but there is a youtube video from a guy named Kevin Gaeke titled "Nightmare Zero FXS purchase". Short story is it had some kind of problem, so he returned it to the dealer. While it was in the dealer's shop, it was submerged during a flash flood along with some other bikes. I hope this is not the bike that you now own.
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Andrew Zero S

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Re: 2020 Zero FXS completely dead
« Reply #16 on: September 19, 2020, 12:29:06 PM »

Do you want to sell the engine?

Is it the same as for a 2017  Zero S, the Z-ForceĀ® 75-5?

Andrew
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Shadow

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Re: 2020 Zero FXS completely dead
« Reply #17 on: September 19, 2020, 01:28:11 PM »

I figured I could start with the battery (check voltage) but the latch is locked and apparently the ignition key doesn't unlock it?

No need to waste time single pin picking that lock core for the battery compartment. It will open without any trouble if you jiggle it with a wave rake. It's a simple lock core as would be on a filing cabinet.

Everyone with an adventure bike has lockpicking tools... right?  ::)

Verified this evening via two different methods (thanks for the replies and PMs, it was very helpful) that the battery is at 18.6v.
...
Give up and use it as a boat anchor?  Does Zero refurbish batteries?
...
I've added a peek under the skirt in case anyone is interested.

If the pack is less than 56Vdc overall (28s2p per Zeromanual Wiki and 2Vdc/cell limit according to datasheet) then R.I.P. ZForce7.2  :'(
It does hold some value in parts and so if you do sell it intact for parts make sure you have a written agreement "condition as-is likely combustion risk seller disclaims all responsibility" signed and dated both parties and notarized just to be really, really, really sure.

Quenching the battery cell pouches in water to render them inert there is an exothermic reaction with mostly LiOH and H2 as outputs. Possible reactions of the other metallic components (nickel and trace amounts of cobalt?) probably do not form any especially interesting or hazardous products. The lithium hydroxide is alkaline in solution and hydrogen gas likes to oxidize with the quickness so uh... wear P.P.E. and plan for mitigating the "Hindenburg disaster" if you're doing something like this. There's nothing valuable about those damaged battery pouch cells anymore but a lot of detailed pictures of a ZForce 7.2 would be of great interest for the benefit of all as a write-up on Zeromanual Wiki if you're keen.

References:
https://zeromanual.com/wiki/Battery/Cells
https://zeromanual.com/wiki/Battery/Cell_Arrangement
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