I'm going to disagree with Roger here.
My experience with kyosho diffs so far is that they're a bit pants.
Replaced all the balls with ceramic, but didn't make a lot of difference.
It feels like the spring isn't man enough for the job.
When tightening the diff it reaches a certain point when it suddenly starts clamping up. (as if the spring had become coil bound.)
On my diff there is literally 1/32 turn difference between diff really free but slightly too loose and slipping and diff fully locked. - It's virtually impossible to get the setting on the diff, and it invariably changes.
I try to set my diff so that the slipper just goes first. - This is very difficult to achieve!
I have 2 diffs and both have the same issue.
Anybody tried a different spring?
If so what fits?
This is with the steel diffs from the original zx5 kit
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