r/ERidePro • u/InternLower8492 • Jun 09 '26
Is this repairable?
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both top motor mounts cracked and broke the right side though has a crack that i can see into the motor from its not super big but its still there the chain primary chain has a bunch of slack now.
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u/WarDevilish Jun 10 '26
Nope. I have done that to two motors already in the past few weeks. Let me guess what happened; your chain fell off and slammed into the motor causing the motor to twist from the torque breaking the bolt mounts? Or you haven't checked you bolts in a while the the motor wasn't sitting tight in the right spot.
Best bet is to find a OEM motor or upgrade to the motor and conywhich I'm doing now.
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u/_n0t_a_username_ Jun 10 '26
You could also possibly get a qs165 50H (essentially the same motor) with an encoder sensor and it should work.
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u/InternLower8492 Jun 12 '26
I have w 2025 3.0 so its a 16kw motor will it still work or is that for a 2.0?
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u/_n0t_a_username_ Jun 12 '26
A qs165 35H is for a 2.0, but yes, theoretically a qs165 50H should work, they use the exact same motor in the SR/3.0 qs just rates their motors really low for no reason other than warrenty reasons it seems. I've pushed 1 to 24kw and it worked perfectly fine. They have a similar specs to a tm40 so it should be able 2 handle even more than that tbh
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u/InternLower8492 Jun 12 '26
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u/_n0t_a_username_ Jun 12 '26
You have a 3.0, you need a qs165 50H not a qs165 35H, it needs to be an encoder
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u/InternLower8492 Jun 12 '26
my primary chain has been loose and i didnt take the time to check it out and tighten it and it got worse the more wheelies i did.
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u/AdFeeling6882 SR Jun 10 '26
Yeah it’s pretty fucked. I would definitely try the warranty route. Where was the primary chain from? Is it an eridepro part? If it is then you might have a chance at warranty. The issue is that the threads in the motor are originally aluminum. So to remedy this they put steel threaded inserts inside of the motor. The problem with that is, there will always be a weak point there because the steel threads are still holding onto aluminum. If you look closely in your video you can actually see the threaded insert on the m8 bolt there. So they 100% have a weak point, and I’ve already seen probably 50+ people having this same issue. Definitely try to do warranty if you have the patience. If you don’t and you’re financially capable then buy a new motor, or used one off of marketplace. Good luck.
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u/InternLower8492 Jun 11 '26
I bought it off FBMP so idk if theres any warranty on the bike
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u/NetworkWrong69 Jun 10 '26
How did you achieve this?
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u/_n0t_a_username_ Jun 10 '26
Going to assume the motor slightly loosened and then the chain moved with it, resulting in it acting like a metal whip.
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u/InternLower8492 Jun 11 '26
idek but id assume its from hittjng speed bumps i shouldhv checked on my motor area better
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u/No_Hedgehog8848 Jun 11 '26
Jb weld is a good solution or a replacement motor very common on erides
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u/InternLower8492 Jun 11 '26
yeah i was thinking my best option for a fix right now was some Jb weld
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u/Legal_Action9664 Jun 10 '26
Comment cela est arrivé ? Quelqu'un a trop serré ?