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The power comes from the controller, not the motor. The UK law is that the motor must not be rated at more than 250w. Rated power is a pretty well meaningless term. It's basically what the seller says it is.

Here's hoping that you don't need any help in the future.

I wouldn't use one of those. they're full of recycled cells. Buy one with new cells.

I told you above that there's nothing wrong with your battery. If there was, you'd see the battery indicator lights go out when the motor cuts. It's most likely a faulty connection on the motor cable. Check everything between the controller and the motor, especially the one next to the motor...

Why did you connect the green wire in the 5 wire one? I would have said blue was the signal wire.

Water ingress is the worst fault on Bafang hub-motors. There was a batch of incorrectly shimmed front motors, where the bearings failed, the odd stuck clutch and a couple of hall sensors. Apart from the shims, which were a manuacturing error, you could get those faults on any similar motors...

The advert is misleading. Anybody that had the same bike and wasn't familiar with the development history of Bosch motors would make the same mistake. It's the responsibility of the retailer to make clear what the applications of the product are. The crank puller only works on certain types of...

Take your bike along and ask if you can check the fit because if it's 13g, they might not have one that size.

The large cutting discs are best, then the rough sanding tubes. Those stones clog up straight away. I use a carbide burr, but it's difficult to get the right size shaft. Dremmel ones have the right shaft, but are expensive. These sort of things. The Chinese ones have slightly smaller shafts so...

It will. Try it instead or theorising. It always gets me that people would rather wasting time writing crap like that than testing the bike to get the answer, which would take less time than the writing.

He's got two 005s in parallel, which makes .0025. If you added an 010 to the empty space, you'd have .002, so you'd get a 25% increase in current. By choosing appropriate values, you can get whatever current you want.

It's your spokes. Check them before the spokes start breaking.

The UV glue in the link above is the strongest you can get.

To be honest, If it were my bike, I'd chuck all that and use a KT controller withe individual cables and block connectors. they're much less trouble and it's easier to test and diagnose problems.

The bolts that hold the motor to the frame need tightening.

R005 are the shunts. They use different arrangements for different currents. There never was one where you can can see the gap, neither was there meant to be.

IIRC, the Oxygen had the old type of 4-way harness, not the Julet connectors that they have now. Show a picture of what's on your brakes.

One of these will be much quicker: https://www.ebay.co.uk/itm/VOCHE-MINI-ROTARY-HOBBY-DRILL-COMBI-MULTI-GRINDER-TOOL-KIT-260PC-ACCESSORIES/332156145942?epid=680510675&hash=item4d560c9116:g:IusAAOSwGTBe8KC0

If we guess 100 times, we have to be right once.

Do what i said above!