The main issue with the kit drive sprockets is the drive rollers are not offset as they should be but are located centrally on the outer sprocket facets which is very noticeable on these larger sprockets and prevents the track from sitting flush around the sprocket.
Note the lack of drive sprocket teeth offset which prevents the track from sitting evenly around the sprocket.
Actual drive sprockets for reference
With a little work it's possible to modify the kit sprockets to allow the drive rollers to be offset correctly and in turn allow the track to sit evenly around the sprocket, thanks to Bernard and Peter for the feedback.
The drive roller ring (part B15) has small brackets included that fit into the corresponding recesses in the outer drive sprocket half and the first modification is to carefully cut these brackets from the sprocket ring using a very sharp knife or scalpel blade. These brackets should be saved if possible to re-attach to the outer sprocket half to ensure the gap around the outer rim of the sprocket is the same as original.
track sitting flush around the sprocket as it should.
You should note that the drive roller is located forward on the sprocket facet on both left and right sprockets so they are facing forward when fitted to the vehicle and so are not the same on both and you should insure you align these appropriately for each sprocket.
This corrects one of the main issues with the kit sprockets with the only remaining issue being the six engraved lines on disc face which is another challenge.
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