998 Troy Bayliss 998s

Discussion in '748 / 916 / 996 / 998' started by Saalagora, May 8, 2020.

  1. Well it’s wrong then!
    std 998s had steel rods, I had a 2002 one!
     
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  2. I'm curious about this I always thought the 998s had steel rods ! Had you the 2002 998s apart @andyb ?
     
  3. He takes everything apart :eyes:
     
  4. yes! it was a 136 hp deep sump 100mm bore 998S .......steel rods

    Can we really see Ducati putting expensive Ti rods into all the deep sump motors 998s on to the mass produced 999s
    look at the later 1098/s 1198/s they have steel rods......where as the 1098R has ti ones...
     
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  5. I still think the difference is with die cast or sandcast crankcases. I’m sure I was told / read that the bikes with sandcast crankcases had the Full 6R internals and the die cast / painted engines had been lower spec’d a bit.
     
  6. Yea I see the 1098s \1198s is listed as ti con rods aswell , i could care less really I more interested in the Ducati myth ! The problem you have with part numbers is they change ive ordered stuff for the 998s and it would arrive wrong as in its not identical to the piece I'm replacing and most times its Ducati have updated the part but use the same part number , my monoposto under tail panel was sent as a biposto panel as the don't do the mono anymore ?
     
  7. Yep, doesn’t bother me either but good to know.
     
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  8. It’s all academic but makes for a healthy politics free Saturday morning discussion about Ducatis:upyeah:
     
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  9. Seeing as how those who say the con rods are Ti are basing their info on two different Falloon publications is it possible Ducati provided Falloon with duff info?
     
  10. Well this list says 1098s had Ti Rods. Which is categorically false! So wher does that leave all other info..
    E81B50C0-DBD1-4E73-A15E-57168D6E533E.png
     
  11. The
    Given that all of the parts catalogue’s and multiple sources state that the bikes in question came with Titanium rods unless they were American spec I don’t think it likely that all of those sources are wrong.

    It is more likely that Ducati possibly used steel rods in some of the bikes, either by mistake - or Mario and Luigi ran out of Titanium parts occasionally when they had a production deadline to meet and grabbed some steel ones knowing it wouldn’t be noticed until years down the line when the engine was finally cracked open.

    I read on another forum that this kind of thing is far from unknown.
     
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  12. Yeah - copy and paste error on that one - doesn’t mean that every single parts catalogue and multiple published sources are wrong.
     
  13. I believe Edgar Allen Poe...
     
  14. I took a screenshot this time to avoid human error. These are the bikes that share the same conrods.

    4FA9AE1F-1B32-46AD-8AEC-1926F3A4054E.jpeg
     
  15. but on that list it also says a 999r 749r etc etc share the same crank...which is wrong..
     
  16. And it’s not even the same con rod dimensions as some are .. but the 749r rod is longer..
     
  17. This could rumble on for ages:D

    Brad the Bike Boy, talking about getting more power out of the (then) new 998S; ends the article with a comment about the lighter crankshaft and Ti con rods:thinkingface:

    http://www.bikeboy.org/998s.html

    and if you don't want to read the entire article;

    "The new engines are much more flighty too, and will lift the front wheel far quicker than the old engine, even in std form. I was going to fit a machined down flywheel, but with the light crank and ti rods, they already seem pretty light. No doubt someone will want to try it later."
     
  18. Don’t know for sure but just look how much those Ti con rods are!!! :astonished:
    Hope mine never fail!
    Be cheaper to fit a 1098/1198 engine in and have done.
     
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