@Bearing Man I can not send you a PM as I’m too new here, so this is the only way to ask you…
I’ve got my 700km e8000 motor opened and it looks pretty new inside- the grease is white, no signs of water ingress inside. I’d like to add some grease as I feel like there could be a bit more in there but here is some problem in choosing which one to get as some of them are hard to source and also there is lots different of options in this thread which confuses me…
The question is simple:
If this were your personal motor which one you’d add in there (i don’t really want to remove the original grease)?
1. PG-75 - i know that’s not the one of your choice which is kinda good because this one is hard to source and rather pricey…
2. EM-50L - easier to source, not that pricey as above.
3. EM-30L - the one i can get without any hassle, is this any good for my application or I should lean towards EM-50L more?
4. Any other contender?
As for Roller bearings/clutch: Shell Gadus S2 V100 2 , will it be good enough or shall I not bother?
I’d like to order this and close my motor asap and put my bike back together. I will appreciate your input. Many thanks in advance!
Cheers, I got your point but now my only option is to scrape the remainings off the sides and put everything together - not great either…I am sorry PeGaZ, as I have stated several times throughout this thread. I cannot recommend a grease for this motor. Shimano do use a couple of different greases throughout the motor and no one currently knows what these greases are? If I say one on here that does not work for the rest of the motors life, I will be in trouble. (Even if I say it's for my own motor).
If I ever do find out, here is where I will post it first!
Hello,
I'm new here, but I've already read a lot here. I am in the process of repairing my wife's engine. She has a Rossignol with Steps E8000 motor. At 11000km, or thereabouts, the bottom bracket has gone, including damage to the motor housing. I've replaced all the bearings except for one, I've repaired the motor housing with 2 components, but now I have a problem: how do I get the large sealing ring (35x45x4 mm) back in? I just don't know how to get it back in without breaking it. Can anyone give me a tip? Thank you very much!
That OKS 270 looks good on paper but it’s even harder to get and even more expensive then Molykote! Seems way better then the glorified pg75. I’m no expert on lubricants but read a lot in the past few days. PG75 is for slow/medium fast movements and LIGHT! loads and it’s NOT fully synthetic…Compared to other contenders it’s got pretty low weld load at 1300N (higher =better) and quite high wear scar at 0.8mm (lower=better)… I found something that looks better on a paper also from molykote and it’s EM-30L: higher temp rage, weld load=3730N and scar= 0.5mm, it’s suitable for plastics, metals, rubber and it’s white! I think this is what I’m going to use on mineI wrote ~~ 50 comments or more about servicing and afterfun with E8000
Here about grease, I used OKS 270 >>> STEPS E8000 Motor Service
and here >>> STEPS E8000 Motor Service
scroll-up and -down to see and follow
here >>> Shimano E8000 (and EP8) re-greasing and Range improvement
and here >>> STEPS E8000 Motor Service
and here >>> STEPS E8000 Motor Service
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Hello,
In the E8000 motor, my metal helical gear is broken.
Where can I find it.
Sorry for my broken English, I'm French.
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Hi. Basically if you moved any of the parts on main shaft (magnet, PCB that is rotating together with the shaft or the whole plastic assembly on which the round board together with the magnet is sitting) you are buried.My friend's e8000 broke down and as it was out of warranty he took it over to me, to see what could be done. I have previous Bafang motor servicing experience, and I have agreed to check.
When I opened the motor it was trashed inside and full of grime. The previous mechanic who replaced bearings didn't use any silicone and the motor was in horrible state.
I have managed to take it apart completely and found that the first clutch bearing connecting to rotor failed. I have found a replacement for it and it's on its way.
Now here's the issue though. I was trying to take out the crank shaft out and didn't succeed. So I had to unplug both cadence and torque sensor stationary boards. I then mashed to take out the shaft with the torque sensor assembly.
Not being fully familiar with Shimano I have assumed that there might be a bearing inside and decided to take out the shaft which was pretty stuck. Inthe end I did maybe to press it out. But that has resulted in the plastic portion of the sensor flying off and both ribbons got loose. Luckily both remained intact. I have then assembled it back, but lost track of orientation and I am not sure if they are plugged in the right sockets.
My questions are the following:
1. How do I determine the correct orientation of the plastic bit in relation to the metal sleeve?
2. Is there a hack how to calibrate torque sensor by adjusting magnet position?
3. Will flashing new firmware recalibrate the torque sensor.
Currently I don't have the bike here and new gear is on its way, so can't really test. But the more I am reading about it, the more worried I am becoming
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Hi, this issue turned into a problem. I tries to fit EP8, but the shape is just a tiny bit different and it does not fit on a 2018 Pivot Shuttle. The top of the engine hits an internal shape in the frame (a main pivot thread insert, so no filing here..)Hi! Anyone know a service company in Italy for e8000 motors?
Mine has 9800km on it, from 2018. Suddenly came quite draggy and ofc heats up a lot. Drag is more on boost and less on eco. Also, engine freewheel started to stick simultaneously, and is basically not working at boost(cranks keep spinning), eco is still rideable. This appeared quite suddenly half way down a trail.
Hi @Beatn1K, I am the owner of the much spoken about Ebike Motor Centre, and hopefully I can answer some of your questions here.I would like to know how much crank free play is too much on an E8000 motor.
Mine currently has 2K miles, and runs fine. I have noticed slop in the crank pinion however.
There is no end play on the shaft. But I can hear it , feel it, and see it when I grasp the pedals in both hands and test for free play.
My instincts are that this free play is not good, and will lead to further wear.
Forgive me not reading all the pages and asking..?!>!
edit- just to add- much was recently made about the E-Bike Performance Centre on social media ( Frequently Asked Questions & Answers - eBike Motor Centre (Performance Line Bearings) )
....and yet it doesnt appear that they mention Shimano beyond having the brand name plastered on their web pages...Does anyone know, or have experience with these service techs respect Shimano motors..?
grtzzz
Tim
Hello Sir !Hi @Beatn1K, I am the owner of the much spoken about Ebike Motor Centre, and hopefully I can answer some of your questions here.
With regards play in the crankshaft. There should be no discernible play radially or up and down if you like. However, if you are holding the very end of the crank arm and physically pulling it back and forth, the tiniest bit of play will be exaggerated. Try just moving it gently back and forth toward and away from the bike and see if any movement is visible. If not, don't worry. Then drop the chain off the front chainring and turn the crank forward and backwards by hand and listen to the motor. There should be no harsh rumble or "bad wheel bearing" kind of noise.
We have to mention Shimano on our site because we try and support people with bearings and parts for these motors. It is very sad that we had to make the decision to stop repairing Shimano motors. This had to be done because Shimano are the only main motor manufacturer that will not currently talk to us, or supply us any software or information.
This means that if we repair a Shimano motor, we can't test it, delete any error codes, or set up an exchange motor with the correct parameter's for the bike.
We have just applied again! for a Shimano account and software, and so far again we have been ignored! I can only ask everyone who reads this post to email Shimano and ask them to help us a little so we may help everyone a lot! We have over 30 partners worldwide who could stop this worry and expense for Shimano owners overnight. But unless Shimano talk to us, nothing will change.
Hi Bearing Man. Do you have an email address for Shimano? I'd be happy to send them an email.We have just applied again! for a Shimano account and software, and so far again we have been ignored! I can only ask everyone who reads this post to email Shimano and ask them to help us a little so we may help everyone a lot! We have over 30 partners worldwide who could stop this worry and expense for Shimano owners overnight. But unless Shimano talk to us, nothing will change.
I want to comment with photos so that you can see the importance of doing preventive maintenance every 8000 or 9000 km at most, opening, cleaning and greasing will give the engine another thousands of kilometers without problems and will not let it "melt". The first engine with 23,430 km was only used until the goose noise started to get very loud (it had broken gears). This one with ODO 23,430km is mega damage inside. Thanks to Andrzej's knowledge, he was able to save himself by changing the gear in the photo, you can see how he was without teeth. The second engine did 9,000 km and Andrzej oiled and only found a broken washer, (the engine after preventive maintenance was practically new). Please never use Kärcher and perform preventive maintenance, you will save a lot of money and pay attention to "goose" noises. Thank you for your work. andrzejwodejszoFollow up to my grindy motor noise problem, after reading WHEN should you stop pedalling to not DESTROY your motor ? I bit the bullet and dismantled it again on the kitchen table as a nice surprise for my girlfriend before breakfast.
Bearing Man told me its a gear noise and not bearings; more grease wouldn't help me either.
(The brown stuff is not rust it's lithium grease, I will clean it more thoroughly later)
Dropbox
www.dropbox.com
If the video quality is poor in the browser the file can be downloaded for 1080p.
The only damage seems to be the small helical gear under the big black plastic one but I'm not 100%.
I know Bearing Man doesn't recommend Molykote PG-75 but I have to use something later, so probably PG-75.
I really didn't like the lithium grease, it seems to have broken down quickly (petroleum-based).
franciscoasismm had the same problem and sound in this video E8000 odd sound
He says the motor still works half-well.
Any feedback is most welcome.
Cheers
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