Picco crank

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David Ashcroft

Well-Known Member
Joined
Jan 26, 2014
Messages
1,670
Anyone know if the latest ops 45 crank will fit the latest bluehead P picco 45R?
 
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Had a chance to do some quick measurements/comparison of, both, the Picco "2011" P45R crankshaft (blue head/black case) and the OPS "2017" .45 crankshaft:

Both crankshaft's share the same diameter bearing journals. And both will fit (slide) right into either case. However there are some slight differences in main journal length. Also slight differences crankpin radius (center of crankcase-to-center of crankpin), affecting stroke (the Picco appears to have a slightly greater radius). Hope this helps.

Picco_P45R&OPS.45Marine_CrankshaftSpec's_April2018_Reduced_01A.jpg

Picco_P45R&OPS.45Marine_CrankshaftSpec's_April2018_Reduced_02A.jpg
 
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