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34 Comments
a bike rack on a car is the worse place to put your ebike, cold damp air rushing at the motor at 70mph will killit fast
I’ve got a recurring problem with my Bosch motor. Orbea wild 2023. Keeps going into limp mode after doing a trail with jumps 1 after the other. Error code 511001 drive unit error – acceleration sensor. The shop I bought it from had already fitted a brand new motor for this issue and it hasn’t resolved it! It’s done it since the day I picked it up. That sensor is apparently part of the motor (and I watched a video of yours to confirm I believe it is) so hence why they fitted a motor but error still persists. For 95% off my riding the bike is fine just when I do a jumpy trail but fine on the rough stuff?? They are now on about putting a new battery in the bike? Have you come across this error before ?
Thanks
Ryan
Bike manufactures would be better off upgrading bearings etc rather that just replacing a motor surely? Oh and spesh offer rider assist on non warrenty parts 👌
The parts for the motors should be readily available for the customers to buy,after the warranty is up,so say if a circuit board goes it can be replaced
Chuffinell Dave! 😅 Wish it was sunny but we've got to face facts – the UK weather is the worst! Off to Bike Park Wales for the weekend – they've had 13 named storms in the space of one year – a record for them! Great video as always 👍
No bike shops near me so I would be buggered if I had problems with a e bike motor.
Just celebrated 2 years ownership of a Trek Powerfly … 10.5k km and no problems with the Bosch motor
Can you buy controller from Bosch? Can you buy torque sensor from Bosch? Can you buy any other mechanical part from Bosch after warranty period?
If not Then I will stick with Bafang. Few clicks on ali and you can get anything you need. European motors are very anti-right to repair.
Thanks for your information, can you comment on the number/ percentage of brose gen 3 motor fails please?
I love my electric Brompton but I’m on my 4th motor. I suspect it’s mainly because of water ingress likely made worse because with the 16 inch wheels, the motor and components are closer to the ground than a larger wheeled bike. I do necessarily ride it on country lanes but I do try and avoid puddles but it isn’t always possible. Thanks for your film.
Currently hav my bike in a shop getting a new motor (bosch) nice to know bosch will help after warranty
Just don’t buy an e-bike, they are not fit for purpose in UK weather. They have a long way to go, My £8000 e-bike is off the track due to faults more than it is on. 😢
I purchased a Bafang M510 motor to go into a project used Vitus E Mythique. Found the socket board to be water damaged due to water ingress and bearings almost seizing. The drive side seal seams to be poor quality so Iv replaced this and the socket board hopefully this will fix it but the wet weather does kill some poor build quality motors the QC isn’t so good on some.
any experiences with CM5001 mid drive motor- 750 watt max power ?
I’ve been riding my EP8 for about 6 months with almost 2000km and it’s mostly been good. Living in kind of a similar climate in BC, Canada, wet winters. I had errors at first which seemed to all get resolved with a software update which was nice. Recently though I have noticed a steady audible knocking sound which I can also feel on the handlebars when putting a lot of force in the pedals when going up the mountains. Not sure if something is starting to fail in the motor but I suppose time will tell. If it does I hope it happens before the 2 year warranty.
2020 turbo levo approching 20000 k , all good , use high RPM which helps keep the temps lower and no deliberate riding in the rain.
I have owned a hard tail 7 from 2015 with the Yamaha motor. It’s washed by hand and the power washer remains in the garage. My LBS has done the servicing with the usual consumable items replaced and I’ve had the battery replaced after 5 years. Apart from that it hasn’t missed a beat, so I can’t complain.
Warm soapy water and elbow grease
What’s the difference between free replacement and a 100% discount?
Ebike motors are no good in the wet or in the dirt which is a problem for mountainbikes. Both major manufacturers are beta testing on consumers again. Once warranty is gone value of ebike is zero.
First owner warranty is a joke, should be made illegal.
Also the Consumer Right Act of 2015 says prosucts must be of satisfactory quality and fit for purpose.
I struggle to see how these motors meet that of theyre failing in less than 5 years.
Suspect youd win any small claim on a motor less than 5 years old failing (so long as it hasnt been tampered with).
My Bosch Gen 3 CX performance line had was original and had 2,000k when I bought it. Three and a half years later It now has 11,500k on the clock no issues at all. Here in Australia if you're looking for a second hand eMTB with a Bosch they like hen's teeth. However bikes with Shimano motors are comon and many state they have a recent new motor replaced under warranty. For some reason you also see a fair representation of Specialized up for sale only problem with the Specialized is the used bike prices are higher than a new Trek Rail 5 & 7.
A tip for buying for not buy a dud bike. Don't buy it if the owner says they wash it after every ride or meticulously cleaned and maintained, red flags (pressure washer used). Another tip is if the say it has been regually servieced by the shop, they haven't from the bikes i've inspected.
Just dont blast it with a pressure washer!
Any news on yamaha motors and there out of 2yr warranty help
My bbh bafang with more than 2k miles on it over 2.5 years never needed replacement of one single piece. Not to mention the availability of bafang parts everywhere.
I don't think there is any incentive for e-bike motor manufacturers to improve reliability. If you look at recent bike shows, all the emphasis is on smaller, lighter motors. These, of course, will have smaller weaker bearings, clutches etc. Modern business is all about providing a service not products. Servicing failing components is seen as a market opportunity.
I have a Brose motor e-bike, these have some major design flaws (in particular the needle bearings running directly in contact with the main shaft). I did get 15000km out of it, but the cost of parts to rebuild was crazy expensive. Will never ever ever buy another Brose motored e-bike.
no first hand experience, but it strikes me odd that people seem to think 10 k miles is a huge amount for an ebike motor. is that really the case? 10 k in a regular bicycle is only getting started! that's two years worth of riding for someone who rides 10 hours a week.
My ebike has 18k km never clean it with pressure cleaning. Scrub with brush and truck wash rain off with hose blow out with full tank compressed air asap. Oil chain every 50 odd km ride. Take to bike shop 2 times per year to get circuit board and battery checked. I am in OZ so relatively dry warm climate.
Hi Dave, I think that part of the decision making when buying an ebike is what the back-up will be in the (inevitable) event something goes wrong. It’s all well and good having a awesome suspension and parts package, but if you have to wait ages for a warranty repair or a spare part for a peculiar motor, thinking less mainstream such as TQ or Fazua, then how good the bike rides is irrelevant if it’s gathering dust. It’d be interesting to hear how many of each of the motors you get through the shop, and the proportion that can be repaired or are just replaced?
The weather has been shocking, but these motors really do need more than just a sealed bearing on the cranks – at least put a proper seal in rather than relying on the bearing. They should also be made more easily servicable so the bearings can be swapped out without pulling the whole thing apart!
Given the foreseeable duty of the Brose motor on my Levo, it is idiotic that water can get into electrical connectors and along shafts, into the bearings. I’ve worked in the power industry where we use submersible pumps that run for years with minimal maintenance in sea-water and chemically tainted water. What maintenance is straightforward with care. The methods for keeping water out are well known except in the bike industry where you get charged £750 for a non watertight motor for a mountain bike. I rode motorcycle trials for years, engine regularly submerged crossing rivers without a drop of water getting into the engine, gearbox or electrics. For heaven’s sake, the bloody Brose motor relies on a dob of grease and a 50p o-ring to seal the concentric shafts on the left side. Designed by a chump! All the connectors were going green as the quality is rubbish and no silicon grease had been applied. Modern cars have submersible connectors so what’s the excuse? Again, designed by someone who is clueless about operating conditions!
The only way to keep the moisture out is to provide positive air flow from a 25mm mini computer fan that draws air from inside the frame near the steering head. It should run constantly when bike is turned on and switchable when you are washing it or suspect it needs drying out. A bag of moisture absorbing crystal would also help inside the case. E=Mtb²
How many mid motors have PCB’s that are coated to prevent moisture damage?
Shimano (or anybody) can't make a bottom bracket that doesn't grind in UK weather after 6 months, fat chance for motor longevity!