I have just broke in a brand new nsr12 S5 on a breakin bench end after thr 3 tank it was very good (good compression and does not stuck at the top). Hovever, I notice a big gap on the shaft, I mean, I can move the shaft about 1mm in and out the engine. Is it normal? The engine seens to be very good, but I wil need to put some shims behind the flywheel to remove this huge gap....

regards

Eduardo