starter clutch 13mm Naraku racing heavy duty for Minarelli NK901.13 fitting for Aprilia SR ReplicaHorizontaler Zylinder 50 MR/LC 1994,

Reinforced starter motor freewheel without starter sprocket, from Naraku. The starter mechanism is subjected to higher loading where engines have higher compression. The starter motor freewheel has a metal securing ring (see image 2) and this prevents the winder drum from coming off the clutch. This ring should be removed before fitting the starter sprocket!