Spare Shim Register & Exchange

Discussion in 'Technical Help' started by Nasher, Feb 25, 2017.

  1. Will do.
     
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  2. I have some openers and closers for the 6mm valved S versioned engines.
     
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  3. Can you let me know the sizes of them please and Ill update the spreadsheet, thanks
     
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  4. I wasn't aware that any Ducatis have 6mm valve stems.
     
  5. 1098RS and possibly 1098R iirc
     
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  6. Well, well. You learn something new every day :)
     
  7. you guys know a lot about valves. well impressed
     
  8. Pity Oxford Motorcycle engineers were cuckoo'd out of the nest. I bought my Pantah there in 82 and subsequently exchanged shims with eddie and oliver over the years i owned and shimmed it, Their one day course on maintenance was brilliant too. I recall the many thousands of shims they had piled up in the workshop, wonder where they are now/
     
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  9. Hy Derek,
    All the 749S and 999S have 6mm stems as for the Rs
     
  10. Yes me too. Getting Oliver to send anything quickly was a task! One day he put 2 shims in a DL envelope! I got an envelope with 2 holes in it! Still got the course notes somewhere too. Wish they were still on the go too, the current dealers leave a lot to be desired in comparison. Although I have eventually landed good.
     
  11. I was aware that the "R" models have a different shims from the others using tapered collets instead of half rings. I didn't know that they had 6mm valve stems though.
    The 749/999 and 749S/999S however, are all 7mm with the same part numbers across both base model and "S" versions.
     
  12. Sorry, I beg to differ, the S versions use the same taper collets as the R. I've just rebuilt one from a 2004 S Derek. They are indeed 6mm too.....
     
  13. Well either your bike has R heads or the parts lists are wrong...
     
  14. Must be your parts list Derek, defo 749S with 6mm valves. I had to make the tool to preload the torque setting during installation, 9Nm or so iirc.
     
  15. How odd. I checked the parts lists for 999, 999S and 999R. Only the R differed.
    Maybe only the case for the 749S.
     
  16. Would any members have some 8mm closing shims - I need the following:
    5.90, 6.05, 6.30 and 6.50
    I do have the ones on the bike and happy to donate or exchange - 6.40 (x 2), 6.15 and 6.65.
    £25 each seems crazy from Ducati.
    Thanks
     
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