I found the piece we need to fix the crank problem. Put this spline on the crank where the wet clutch goings and tighten it down with the nut. Then fix the delete part to fit over the bigger splines. Bigger splines will not strip out as easy. Will take more hp. WISHED I HAD A MACHINE SHOP. I WOULD HAVE FIX IN A DAY AND PROABLY GET RICH IN THE PROCESS.