The MC18 crank is model specific so later ones from 21 or 28’s won’t work
The two companies listed can rebuild them - I had mine done by GT and Chris had his done by Applebee. http://www.nsr250.net/forums/viewpost.php?p=109161
How broken is yours?
La manivela MC18 es específica del modelo, por lo que las posteriores de 21 o 28 no funcionarán
Las dos empresas de la lista pueden reconstruirlos - yo hice el mío por GT y Chris hizo el suyo hecho por Applebee. http://www.nsr250.net/forums/viewpost.php?p=109161
¿Qué tan roto está el tuyo?