Crankshaft compl. for Zündapp 250 engine. High quality crankshaft final checked and fine calibrated (aligned) in Sweden.

High quality crankshaft final checked and fine calibrated (aligned) in Sweden. Alignment, (balance between halves, picture 3 ): max run out = <0,03/side. Very well balanced crankshaft in terms of weight ratio for optimal function and very little vibration, especially when used with NTS pistons. Supplied complete with needle bearing for piston pin. Technical data: Needle bearing: 12x15x14 (for 12mm piston pin) (10581) Cone for flywheel: Taper 1:7 (input diameter ~10mm) Thread flywheel side: M10x1 Thread transmission side: M10x1 Cross shim: 2×3,7 not included Stroke length: 42mm