Piston is hitting head on new rebuild help please

• #50 Reply
  Posted by MD2smoker on 21 Jun, 2013 16:46
• Sorry just saw you were saying the piston was BTDC on that.  Im not sure of what the measurement or position of the piston should be on the 250 at BTDC, but i do remember very detailed pics and measurements from my factory 90 250 manual.
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