Home › Forum › Ask A Member › 6039 Evinrude Speeditwin
- This topic has 16 replies, 6 voices, and was last updated 5 years, 11 months ago by  Buccaneer. Buccaneer.
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November 10, 2019 at 10:47 am #186861Squier, I’ll probably put an ad on the classified. Just trying to figure out “bearings” 
 this morning…….. out to the garage I go!Prepare to be boarded! November 10, 2019 at 1:39 pm #186883My lower unit only uses tapered bearings. From your post, yours is different. So speaking about the Here are the specs for the 05066/05185 cone/cup … https://cad.timken.com/item/tapered-roller-bearings-ts-tapered-single-/tapered-roller-bearings-ts-tapered-single-imperi-2/05066-05185 and here is a link for the specs on all the other sizes available. … https://cad.timken.com/viewitems/tapered-roller-bearings-ts-tapered-single-/tapered-roller-bearings-ts-tapered-single-imperi-2 The next one will let you search for all other types of Timken bearings. https://cad.timken.com/?_ga=2.138323504.1204381099.1573409853-130771345.1546634794 Good luck! November 10, 2019 at 4:11 pm #186894Thanks again for your help! 
 I’ve been looking at Timken CAD drawings as you suggested, etc.,
 and believe I’m making progress.It seems I need 
 Prop Shaft-
 – tapered roller and race 05066 / 05185
 -ball bearing 6205Drive Shaft 
 -tapered roller and race 05079 – 05185The only thing I can’t get to jive on my measurements are the cone widths, 
 but perhaps I’m measuring wrong. The Timken specs show both cones
 .566 wide. One of mine I measure at .600, and the other .625.
 I’m going back to the garage to see if I missed something there!My lower unit only uses tapered bearings. From your post, yours is different. So speaking about the Here are the specs for the 05066/05185 cone/cup … https://cad.timken.com/item/tapered-roller-bearings-ts-tapered-single-/tapered-roller-bearings-ts-tapered-single-imperi-2/05066-05185 and here is a link for the specs on all the other sizes available. … https://cad.timken.com/viewitems/tapered-roller-bearings-ts-tapered-single-/tapered-roller-bearings-ts-tapered-single-imperi-2 The next one will let you search for all other types of Timken bearings. https://cad.timken.com/?_ga=2.138323504.1204381099.1573409853-130771345.1546634794 Good luck! Prepare to be boarded! November 12, 2019 at 10:51 am #187013Tom, Bucc, Fred! I have that information somewhere regarding bearing numbers for the lower unit on the SpeediTwin/SpeediFour. The problem is it is in storage and not easy to get to. The next time I go there I will get it. You might come up with the answer prior to that, so I will keep watch. David David Bartlett 
 Pine Tree Boating Club Chapter"I don't fully understand everything I know!" November 12, 2019 at 4:16 pm #187061Tom, Bucc, Fred! I have that information somewhere regarding bearing numbers for the lower unit on the SpeediTwin/SpeediFour. The problem is it is in storage and not easy to get to. The next time I go there I will get it. You might come up with the answer prior to that, so I will keep watch. David David, David, David! 
 I’ve ordered the bearings and races, so hopefully I got that correct.
 I was looking at an ad early this morning of the 1950 Speeditwin and Speedifour’s
 side by side. The lower units looked the same to me.
 Are the guts, i.e., prop shaft, gears, bearings, gear case cap, etc., the same as well?
 If so, that broadens the field of potential part donners for the prop shaft and gear case cap I need.
 I would be curious to know what you have for bearings on your list, but no big hurry now that
 I ordered already. Thanks.Prepare to be boarded! November 12, 2019 at 5:40 pm #187065Tom, My Speeditwin and SpeediFour were late 1940’s motors and the internal parts in the lower units were the same. Something about the prop shaft was different where the prop fit on, but I am pretty sure the rest would interchange. Someone will correct me if I am remembering it incorrectly. Dave David Bartlett 
 Pine Tree Boating Club Chapter"I don't fully understand everything I know!" - 
		This reply was modified 5 years, 11 months ago by  David Bartlett. David Bartlett.
 November 12, 2019 at 7:28 pm #187072Good to know Dave, Thanks! Prepare to be boarded! 
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