Have the 250r's fairings off for Winter maintenance.
Part of that is having a look at the PBR Sprockets frame slider on the left side.
The previous owner had been down on the left, and my wife had a slow fall stopping on gravel, on the left.
This pushed in the slider, and loosened it up.
On closer inspection, there didn't seem any way to tighten the end piece.
Don't like the design of this slider, one mount, and then offset approx 6".
The backside of the slider was pushed into the cylinder block, leaving a bit of a mark.
Any harder impact, I hate to see what could happen to the engine.
Found the Yoshimura kit, and liked how the mounts are bolted to more than one spot.
Yet to install them...