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Yep that's right the crank arms. Great if you have the tool, I didn't so improvised. They need to come off otherwise I couldn't split the motor apart to extract the torque sensor. Forgive my terminology This was my first and last bike, so I wasn't familiar with the part names.

Hi Muckypup, No specialist tools needed to be honest, the most exotic of the tools required is going to be a pair of circlip pliars. I would start standing the bike upside down followed by the obvious of removing or loosening of the rear wheel thus freeing up the drive chain chain. Then remove...

Success!! parts swapped and all now appears to be working as it should, I've been for a 3 mile ride with various hills and flats, swapping around the various power settings and it appeared to function as intended. The rear speed sensor also worked perfectly. Please may i take this opportunity to...

Update:......I have the parts in my possession, After finishing a nightmare night-shift that literally saw me covered in brain mater yesterday, i'm refreshed and back on "Normally people" hours and ready to install the replacement PCB and the torque sensor. If these parts don't sort then I'm at...

H Hi there, So Sorry but i have no idea what a "Hall Sensor" is? my experience of E-bikes is very, very limited and i'm learning as i go please be gentle as i describe things as i understand them lol, what and where is that located? With regards to the sensor i have connected a circuit tester...

Hi Folks sorry for the delay in responding, There has been a development, Since i last wrote, i have found a chap who has some spare's for the Bosch 2.0 motor. It would appear that the torque sensor and the PCB capacitor has received some damage possibly due to water ingress prior to me getting...

Update......Thanks for your input "vfr400" I have been though the whole bike including the loom inter-frame, where there is an almost impossible to reach gear selection circuit board housed within a clear perspex retainer, All appeared fine in there. with no obvious stripped / floating or...

Hi folks and thanks for your replies, So here's an update, following a few night shifts i went at it again today. I discovered the battery icon failure was due to a poor connection and once cleaned up and re-crimped now displays all the time every time. With regards to the Motion sensor...

Hi all, I'm new to this Ebike life so forgive my terminology in my correspondence. Basically have purchased a used (and well abused) Kalkhoff Tasman Ebike, and have some questions if i may. I thought the battery was dead, but after managing to charge it fully, 5 lights lit, and showing as per...