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The wiring must be for an older KT model as the newer one are a bit different. How many wire pin outs are there at the motor wheel connector ?

These tyres or now only one tyre is now in to it's 4th winter, so looks like the odd one may suffer from manufacturing/QC issues. Any how I have another coming, old one I will keep for now until I have removed all the studs for spares.

Now the clocks have gone back and winter seems to be arriving, I took my studded tyres out of their summer hibernation. On fitting one I noticed it has become misshapened and now is too large/stretched over size to fit my 700c rims, the tyre in question is a Scwalbe 700c x 38c snow /ice tyre...

Show us a pic or two during or when finished Awol, maybe you make neater job of it then I did.

An 8 or 9p celled pack will either be a shrunk wrapped pack or in a bespoke case or a large triangle bag, I would give Jimmy @ Insat/Bga a call for a price he will make up a 80/90a or more rated pack probably for similar or less price. With better cells then the 35E, most likely he will use GA...

Kirstin the YTW06 is a Xiongda purchased direct, no middle man.

For cold dry weather silk under gloves keep your hand cosy, I mine off an ebay ski shop for a few quid. Also for feet try the 3 or 4mm BBS thicker neoprene over shoes/booties, I find these keep my feet quite toastie for a few hours riding at zero or below.

:eek: Best not even think of opening it then. Generally those with diy testing skill can take individual cell group voltage measurements, this can help determining why a battery may be under performing or failing.

Battery should read 41.5 - 42v when fully charged so place it on charge to check all is well, if after a full charge battery reads quite a bit lower then battery is faulty. If a new bike it will be warrantied so don't delve in to opening any thing and get the seller to solve the problem

As AK has alluded too, 17ah in good condition should take 8.5 - 9.5hrs to fully balance charge if drained to lvc with a 2a charger.

You can doe either easiest is to try the tab washers inboard first.

To know exactly what is occurring the battery requires opening to check the sense wire voltages, this will tell you if any parallel strings/groups are out of balance. If strings/groups are unbalanced then the low ones will hit lvc first or battery performance will panda to these lower cells. If...

Once in sleep mode then it will charge as normal once woken again.

Washers inboard may sort out the motor fitting width if that is a problem. If the motor though works as a test bed with no load then the problem could be a load issue either a wiring fault manifesting it self when a load is applied, a controller issue or a battery fault. Stuttering is an...

It is similar to xlr but looks like a different make brand and probably not be compatible in size or pin out wiring, extra pins using unnecessary comms for non compatibility. The easiest charger battery combo uses a simple 2 pole jack plug/connector and only needs v+/v- and use the 5.5mm x2.1mm...

With these OEM only controllers, you have to buy the bike from a very good retailer who deal direct with China /Taiwan to source parts /bikes. Then you are in most cases are able to get spares. Wisper, Woosh, Juicy, Kudos are just four that spring to mind. Cheap bikes can be fixed and as...

A battery regulary used and charged fully will remain in balance even with the odd part charge, it is only regular part charging < then circa 4.15v that eventually leads to unbalance. IMHO I would charge to 3.85/3.9v or as near check with a meter and then leave it in in a cool/cold frost free...

Are you using a lcd display ? If so show us the controller label or tell us the make.

BMSB Q70 or Q85, 85/83mm d/o or they have a scooter motor that is 55mm. Bare hubs though.

Had a play with the old NIMH pack last Thursday and managed to get it to charge up, I repaired the series link John had cut and after a bit of de-soldering the charge board from the battery rigged up a temporary connection between the pair but nothing happen until a gnd wire on another part of...