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  • Ossa Crankshaft ST-1 Phantoms GP1 GP2 GP3 1974-77

Ossa Crankshaft ST-1 Phantoms GP1 GP2 GP3 1974-77

3 Reviews
SKU: OW-123-010M
ID: 1745
Quantity discounts available:

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 fit the ST-1, Phantoms, GP1, GP2 and GP3 models 1974-77.  Don’t waste time rebuilding your old crank when you can get a complete reproduction new crank to drop in.   This newly manufactured crankshaft from VintCo will help you keep the ride going!

  • New Reproduction crankshaft (not rebuilt)
  • Heavy duty Yamaha conversion installed
  • Modern design rod and bearing
  • Wrist pin bearing included

Stock Availability: in stock


  • 1974 Ossa Phantom 250cc
  • 1975 Ossa Phantom GP1
  • 1976 Ossa Phantom GP2
  • 1977 Ossa Phantom GP3
  • 1977 Ossa ST-1

Ratings & Reviews

3 reviews

  • 4 stars
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New cranks makes rebuilds faster.

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These cranks are great. Dimensions are correct. Saves a lot of time over replacing the rod in a factory crank.

Parts Manager very knowledgeable

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Quality Part

Fantastic service

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Quality Part