MXUS XF19C Issue

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CTYSSS   100 µW

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MXUS XF19C Issue

Post by CTYSSS » Jul 15 2021 12:35pm

Having an issue with my MXUS XF19C motor, think it’s the freehub.

Here’s a few videos of the issue one on the bike and one off with no cassette on it. I miss my bike. :(

https://youtu.be/xawBnjRDWc8

https://youtube.com/shorts/06r7jDgz5Xs?feature=share

Appreciate any help on this. TIA.

markz   100 GW

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Re: MXUS XF19C Issue

Post by markz » Jul 15 2021 2:31pm

After viewing the first video
Sounds to me like a drive train issue, because the motor keeps spinning and you stop pedaling and the crunchy sounds go away.

OK After viewing the second video
The pawls on the cassette hub are f'd.

People have asked before where they can buy that cassette hub, not sure if they ever got an answer.

CTYSSS   100 µW

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Re: MXUS XF19C Issue

Post by CTYSSS » Jul 16 2021 11:38am

Took apart the motor and can’t seem to figure out how to get at the freehub. The axle shaft would have to come out of the freehub to remove it, took it a LBS and we looked at it together and couldn’t figure it out. I hope it’s serviceable as I can’t seem to find a MXUS XF19C for sale online currently.

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pwd   10 kW

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Re: MXUS XF19C Issue

Post by pwd » Jul 16 2021 12:39pm

Post some photos of it. I'm sure someone will know how to figure it out.
2WD Commuter/Street Build viewtopic.php?f=6&t=98286:
Rocky Mountain Element
Magic Pie 4 front w/ Infineon 4 Clone @ 70A phase + Leafmotor 1500 rear w/ Infineon 4 Clone @ 200A phase
Samsung 40T 14S7P

Offroad Build viewtopic.php?f=6&t=102195:
2019 Rocky Mountain Blizzard 20
Cyclone "3kw" 13T motor to 36T chain ring then 32T chain ring to 11T-46T Cassette @ 100A phase
Molicel P42A 21S3P

markz   100 GW

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Re: MXUS XF19C Issue

Post by markz » Jul 16 2021 2:13pm

Maybe you can get a freewheel side cover plate from mxus?
I just saw a video, but title says Slide MXUS XF19 that has a fw.
Writing on motor says XF19R
https://youtu.be/DMGKSLbYj7A?t=31

But if you can get a fw side cover plate then you should be able to get a cassette side cover plate with cassette hub.

CTYSSS   100 µW

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Re: MXUS XF19C Issue

Post by CTYSSS » Jul 16 2021 9:39pm

Here are some pics of the motor.
Attachments
CBA91711-4B6F-4D47-833D-B0C9848C26B6.jpeg
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D4EE04A9-C9C1-421E-A424-9ABA7739835F.jpeg (3.68 MiB) Viewed 165 times
B8091D12-B984-4A42-80BF-AF05544AE7F3.jpeg
B8091D12-B984-4A42-80BF-AF05544AE7F3.jpeg (1.97 MiB) Viewed 165 times
BFEBC1E3-7497-44EF-9C16-15D9B3E9E5C4.jpeg
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CTYSSS   100 µW

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Joined: Jul 15 2021 12:09pm

Re: MXUS XF19C Issue

Post by CTYSSS » Jul 19 2021 6:10pm

Anyone know how to remove the free hub body?

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E-HP   100 MW

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Re: MXUS XF19C Issue

Post by E-HP » Jul 19 2021 10:54pm

CTYSSS wrote:
Jul 19 2021 6:10pm
Anyone know how to remove the free hub body?
Not really, but if it were me, I'd start by removing the C clip.

https://www.harborfreight.com/snap-ring ... wMEALw_wcB

Maybe one of these, in case you want to measure the bearing.
https://www.harborfreight.com/6-in-util ... 63664.html

CTYSSS   100 µW

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Re: MXUS XF19C Issue

Post by CTYSSS » Jul 20 2021 2:24pm

All c clips and screws were removed at the time I tried to removed the freehub. Couldn’t figure it out.

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pwd   10 kW

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Re: MXUS XF19C Issue

Post by pwd » Jul 21 2021 8:45am

My two estimates on removing the freehub based on your photos are:

remove the c-clip and pull the freehub off (toward the end of the axle) by hand

or

remove the side plate with the freehub, remove the Philips head screws and push the freehub inward to separate it
2WD Commuter/Street Build viewtopic.php?f=6&t=98286:
Rocky Mountain Element
Magic Pie 4 front w/ Infineon 4 Clone @ 70A phase + Leafmotor 1500 rear w/ Infineon 4 Clone @ 200A phase
Samsung 40T 14S7P

Offroad Build viewtopic.php?f=6&t=102195:
2019 Rocky Mountain Blizzard 20
Cyclone "3kw" 13T motor to 36T chain ring then 32T chain ring to 11T-46T Cassette @ 100A phase
Molicel P42A 21S3P

CTYSSS   100 µW

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Posts: 8
Joined: Jul 15 2021 12:09pm

Re: MXUS XF19C Issue

Post by CTYSSS » Jul 22 2021 6:03pm

Remove c clip pound axle from freehub side (careful of wires) with a mallet. Bad freehub, new one on the way.
Attachments
D8AE46C5-8B71-451A-A06F-56CBE0551F2D.jpeg
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E-HP   100 MW

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Re: MXUS XF19C Issue

Post by E-HP » Jul 22 2021 6:13pm

:bigthumb:

good tip PWD.

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