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  1. S

    Bafang BBSxx - fault finding and fixes

    I thought the same. Do not jump into any conclusions before you have actually installed the motor first and given it few miles. The gears mesh properly only when there is some load. Also the motor being on the table like that will exaggerate all the noises.
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    Bafang BBS01 & BBS02 Owners - POST REPAIR CLAIMS!

    1. Drive Serial Number & Manufacture Date: 1403270260 2. Drive Model including Voltage, Amperage Rating Stamped on bottom and Wattage: BBS02, 48V, 20A, 750W 3. Supplier from which you Purchased your Bafang BBS0x Kit.: Not sure, friend of mine bought it from Suzhou 4. Approximate mileage at...
  3. S

    Bafang BBSxx - fault finding and fixes

    I have to say that you make a good point. This kit has been around for few years now and they have already made a lot of improvements. But still my unit (manufactured 3/2014) lasted only 300km before it needed parts replaced. I didn't abuse it or anything.
  4. S

    Bafang BBSxx - fault finding and fixes

    Great news! Yesterday I finally received the new nylon gear that includes the clutch. Today I put the motor back together with the new gear and this fixed the clicking problem displayed on the video! I can still feel a slight click in the pedals when I start pedaling (the clutch releases), but...
  5. S

    Bafang BBSxx - fault finding and fixes

    That is exatly the same problem that I have. Mine is only worse. I will order the new plastic gear (including the clutch) and report back if this fixes this issue.
  6. S

    Bafang BBSxx - fault finding and fixes

    Thank you for your input. Unfortunately returning the motor isn't an option for me. Today I took the unit apart. Good thing is that all the gears look perfect, but I just can't figure out what is wrong with it! I checked the freewheel and I checked the clutch. Both seem to be ok. My best guess...
  7. S

    Bafang BBSxx - fault finding and fixes

    Ok. So I fixed the bearing problem. I removed the ball cages from the bearings altogether and filled the bearings with additional balls (6 x 3,2 mm diameter). Click for picture Then I made a new rubber seal to prevent water and dirt from getting in. Click for picture But unfortunately this...
  8. S

    Bafang BBSxx - fault finding and fixes

    At first, I would like to thank you all for the great info! I noticed today that my 750W BBS02 made weird clanks every time I started of stopped pedaling (PAS mode). This happened only after 400 km on the unit. I took the crank side open and found out that the problem was most likely caused by...
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