Hexagon nut for pinion and driving wheel, MZ 250
Galvanised nut M16x1,5 for the attachment of the pinion (small chain wheel) and for the attachment of the driving mechanism wheel (68 cogs) with most engines MZ with 250 cubic centimetres. For ES175, ES250 (all models), ETS250, TS250, TS250 / 1, ETZ250, ETZ251, ETZ301.
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