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Is there a particular reason for not fitting a larger chainring to get more into the middle of the cassette?

Just for info, the police here in Austria do have a portable dynamometer and do sometimes carry out speed checks. They are also clued up on the sequences some of the Bosch dongles require to start them.

Be careful, if you increase the current the amount of heat generated will go up quite substantially. On secont thoughts you are going to Tow Law it's always windy and freezing up there:p

Enjoy!

Connect a filament lamp to it and see what the voltage does.

Nail on head with this!

I really would try to borrow a battery, even if it means taking it to a dealer for diagnosis. If it is the battery (I'm sure it is) then it cannot be repaired by most people. Some real enthusiasts on Pedelecs.de (use Chrome and google translate) have reverse engineered the system and may be able...

Not required on torque sensor bikes, Bosch, Yamaha etc do not fit them.

You could use power tool batteries.

So just tested mine. No battery LCD doesn't light up, non Yamaha extender battery fully charged behaves exactly as you described. The system is looking for communication on the centre pin and not getting any so shuts down. If I start the system with both batteries everythin is fine until I...

Yes it's a fuse but I think if that was blown you would not have any power anywhere. I will check how mine behaves without the battery tomorrow.

Only way I know is to try the battery on another bike. You can download a fairly comprehensive manual with diagnostic info etc by typing x94 series.pdf into google.The 'BMS' is not replaceable and is a lot more than a standard BMS as it includes communications and diagnostics. Again the guys on...

Oh dear, testing with a multimeter to the centre pin can fry the BMS according to our German friends on Pedelecs.de. The battery doesn't output full power to the outside pins until it has communicted with the motor etc via the centre pin. The behaviour of the display suggests the communication...

I'd be a lot more likely to front brake only than to rear brake only!

That is exactly what I am suggesting, between D and E there should be something. What it will be depends on the sensor type hence why I suggested Tillson could maybe check his too.

Terminal 1 is likely connected to terminal 4 via a thermistor which will switch the charger off if the battery gets too hot. You may find a voltage between 1 and negative (2). Maybe Tillson could check his as well.

I don't think OVO supply Austria! :(

Are you not bringing them to the World Champs in September so I can have a go? ;) Don't forget I am in Vivax territory!

Too wide for me. My carbon road bike is130mm dropouts that is 145mm.

Mine in it's natural surroundings.