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Thread: How to ID 2.5 Sporty's
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02-22-2021, 07:47 AM #1
How to ID 2.5 Sporty's
I just bought a used 2.5 SportMaster, 1.87, RH w/Swept Skeg, my question is, how does one ID a Sporty when a parts order is needed since there aren't any obvious marks, numbers etc on the case ?
I found a parts listing of Sporty's ranging from/to: OG367000 to OG856999, but again no way to ID what I have against these S/N's. Appreciate any help as this is very new to me.
Thanks
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aj06bolt12r liked this post
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02-22-2021, 10:48 AM #2
It is my understanding they are all the same. Only differences is offshore case (skeg), LH or RH drive, gear ratio, 15" or 20" drive shaft.
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02-22-2021, 04:45 PM #3As Brad said, other than the obvious differences, the early ones had a small prop shaft.
is gone
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02-22-2021, 05:34 PM #4
There are bearing differences in the fwd gear...no way I know how to tell other than taking it apart.
Is there a specific part you are looking to find the correct p/n? Just pay attention to all the parts, study the diagram and ensure it matches your unit perfectly prior to ordering.8' Yellow Jacket - 25 hp Mariner
1984 Hst VKing - 15" Bridgeport EFI
1990 Collins Mirage - 15" 260
22' Aquasport - 150 SeaPro Fourstroke
25 hp Merc that runs on ACETONE
25 hp Merc with dry side pipe
25 hp Merc with 11" mid and 2.42:1 gears
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02-23-2021, 03:13 AM #5
Thanks all, Mine is a small shaft and has the swept skeg so I'll assume Early Offshore Case. I don't need anyparts as of now but just wanted to understand what I've got before a part maybe required down the road. Thanks again, appreciate it very much
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02-27-2021, 03:24 PM #6
As I understand it, the big bearing on fwd gear is a ratcheting case and the smaller bearing on fwd gear is non ratcheting. When in fwd gear if you able to turn prop by hand a get a click click in backwards direction its a ratcheting or big bearing housing
Peter Thomas
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02-27-2021, 04:40 PM #7
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