Originally Posted by cannonball2
I had a similar problem ...
The simple solution in my case was to shorten the final drive chain til the derail was pulled foward at about 45 degrees
Indeed good advice cannonball.
With the chain on the biggest sprocket shoot for the derailleur tensioner to be at or near max forward so there is still plenty of tension on the smaller sprockets.
AND back off the throttle a tad when shifting.