Seller notes

VintCo has all new reproduction crankshafts completely assembled for your mid 70’s 250cc Ossa that will get you back on track. These complete Ossa Crankshafts are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance. These Ossa crankshafts have the heavy duty Yamaha conversion installed. VintCo crankshafts are assembled with a Heavy Duty Forged Steel connecting rod and with the wrist pin bearing included. These new Crankshafts ...

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