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  1. OS .61 SX-WC with viperhead?
  2. I'm going insane! OS 50 Hyper won't run!
  3. Sensitive carb
  4. powerband charts
  5. off-model break-in
  6. OS 70 SZ-H from LOW to HI Problem
  7. Fuel Magnet and OS 91 SZ
  8. any ideas? start shaft not turning?
  9. Anyone get the new pumped SZH yet??
  10. New Funtech 3D muffler
  11. Century CN3090 Silent Power 90 Tuned Muffler on a YS61ST-2
  12. YS91 sticky barrel
  13. 60K & Bigbore vs 60M bore both modified by OMI
  14. Major problems with OS Hyper
  15. OS FS91 Help
  16. 90 size exhaust on a YS61ST2 equipped Fury
  17. Help with Perry pump replacement
  18. 91C-spec Non-PS help.
  19. 91SZ-H PS
  20. OS 50 hyper blow out
  21. YS 61ST2 to a OS 70SZ
  22. c-spec pump on 91 sz
  23. Hanger 9 starter with rubber thing
  24. Do you run an air filter?
  25. Stripped SZ-H. Argh.