Quote Originally Posted by stevem View Post
Mine went bang because a std BMW conrod bolt backed its was out. Apparently it was a common problem at one point with the beemer. I replaced it with a stock motor but even then it was pulled down and nicer bolts put in that were installed by measuring the stretch rather than torque. Hi comp pistons will give it more jump of the turns but personally I would leave it stock.
With the 600rr it recommended all new bolts and torque setting for the conrod bolts. How do you measure stretch instead of torque?