Bosch CX performance motor failed

Uppy

Well-known member
Mar 8, 2018
94
115
Cambridgeshire
Hi,
Any one had the Bosch CX performance motor fail on them. Mine failed after only 333 miles on the clock with one winter riding just gone..motor bearings failed.
Not a very good start to a 8 months use from new...
 

Doomanic

🛠️Wrecker🛠️
Patreon
Founding Member
Jan 21, 2018
8,735
10,403
UK
My first failure was at 4 months and 350ish miles. My second was 12 months and 900 odd miles later.
 

Doomanic

🛠️Wrecker🛠️
Patreon
Founding Member
Jan 21, 2018
8,735
10,403
UK
Still Bosch. They are not interchangeable.

The warranty is very good, fortunately.
 

Oldcreaky

Member
Feb 8, 2019
37
35
Bristol
Mine had done 2.1k miles when the bearings went very noisy very quickly. New motor fitted with no quibbles. New motor has still only done 400 miles as I use my new bike most of the time it also very quiet even more than the original motor when it was new.
 
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Uppy

Well-known member
Mar 8, 2018
94
115
Cambridgeshire
Just a update on my motor...
Motor is being replaced under warranty by Bosch. Took just under a week for the bike shop to confirm this.They have my new motor which is getting fitted next week..
Does the 2 year warranty start again on the motor?
 

Doomanic

🛠️Wrecker🛠️
Patreon
Founding Member
Jan 21, 2018
8,735
10,403
UK
It seems to depend on who you ask.

Get the shop to put it in writing.
 

Akiwi

🐸 Kermit Elite 🐸
Feb 6, 2019
986
1,292
Olching, Germany
My bearings are shot too. after 4200 KM. Still under guarantee, so Ii is sent in to Bosch. Haven't got it back yet. I told the bike shop to change the front cog too, and I have a new rear set, so I can replace them all together... even though they are still working faultlessly.
 

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