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Nothing to worry about. The phases are normally labelled, U, V and W on ebikes, but sometimes A, B and C on other applications. CONT = controller side. MOT - motor side. Three of the 36 combos will give you the correct forward motion, 3 will give backwards motion, so you shouldn't have to do...

My advice is to get one as soon as possible.

Dave not dave or whoever you are, look at the gap between the inner face of the crank arm and the bottom bracket, Tell us how big it is or, better still, show us a photo.

What's the normal clearance between the inner face of the crank arm and the BB. Is it possible that in his attempt to get it tight, he's pulled it so far up the taper that the inner face is rubbing. If you ride with a loose crank, you change the flat taper shape to a curved one, so the next time...

If you didn't get the integrated controller, there's a compartment at the front for housing a controller. When you open it, you,'ll see what you have to do - usually solder two wires to the back of the connector. Whatever you do, don't get them the wrong way round. Always check with a meter...

Quality doesn't really matter. You're only making it easier for the current to get from one pad to the other. The size of blobs doesn't make a massive difference. Blobs are better than a thin coating..

There are loads on EBay, but they're nearly all the cheap stamped ones. I wouldn't trust those.

I'm trying to make sense of that. Tell me if this is right. Your bike was working properly. You took the crank off (left, right or both sides?) And after you put it back, the motor had this problem. I can almost guarantee that you won't get any help from China as it stands. The best you can...

His wheel buckled because either they didn't build it properly or it got some sort of abuse, like hit something solid. 100kg is no problem and battery and motor weights are completely insignificant.

Wrong size! Please only recommend stuff when you know about it, otherwise OP might get confused or waste their money, or, worse still, ruin their motor and forks.

For 40/60 tin lead solder, 270deg for small and normal joints. For big joints, like battery connections, turn it up another 100deg to store a bit of extra heat in the tip. Lead-free solder requires higher temperatures, but IMHO is best avoided

I hope you were polite and patient with those emails. Dis they ask you to check the fuse or anything like that. The Chinese are sympathetic and helpful up to a point. if you cross that point, you'll get stone-walled. The problem that you have is that it's possible to rip the gear or blow the...

Wrong size. His axle is shown in OP.

That's basically what everybody wants. What you actually need and what your heart thinks you need are often at opposite ends of the available choices, especially when you start to believe all the marketing hype. As soon as you say low maintenance, I'll very quickly point to a bike with a rear...

You should use 10 x 12mm torque arms, not 10 x 14mm. Average price is about £12, but if you buy them on their own, postage can be dear. Quality is very variable, so be careful. Try these, which are laser cut from high tensile steel. Avoid cheap stamped ones...

That sounds very feasible to me. The filler shrank when it dried to leave the crack.

Show us photos of the two connectors, so we can guide you where to measure.

Go for it and teach us. Actually, somebody reverse engineered the KT software and has made open source code to improve it. It's an absolute treasure trove of info about how the motor control works. You can find the massive thread on Endless-sphere.

Neal's quite good at this, and I'll help if I can. The first step is to list up all your P and C parameters from the settings (L if you have any), then we can see, which ones have a chance of being changed for the better. We're in the realms of the unknown, but maybe some learning can come from...

I think you have a speed control PAS function, so you get the same power on all levels at low speed. These type of controllers have the fierce startup characterise, compared with other types. Increasing the current will make the startup a bit fiercer.