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  1. OS 48 Spits fuel out the carb
  2. 1.60FX Pitts Muffler pressure
  3. OS .91Fx to Pump or not to Pump
  4. 1.60FX-FI air valve retention
  5. Prop Nut
  6. 15cvr unusual problem
  7. Static thrust of BGX-1
  8. After run oil on a 46FX
  9. OS 91 VR-DF Small Head
  10. Suggestion: We Need A Os160fx Rear Exhuast For Pattern
  11. Stuck OS 46 FS Muffler
  12. OS 46 FX problems?
  13. OS Engine Trouble ( .15 CV-R) Help!!!
  14. OS Pump?
  15. OS 70 Heli engine
  16. OS gas engines?
  17. Fuels F.A.Q.
  18. Rethinking remote needle valves?
  19. O.S 1.60FX and nitro %
  20. 61 FX Bearings
  21. O.s. .52 Surpass Heli Engine...
  22. 15cvr trouble
  23. torque vs horsepower vs RPM
  24. Service & Repair $$$$
  25. Os160 Rear Exhuast
  26. FT-160 Carburetor
  27. os160fx BACKPLATE ALIGNMENT
  28. Os 46fx
  29. after market mufflers
  30. OS46 break-In discrepancies
  31. OS 46 FX, no full throttle
  32. How to set your high speed needle for optimum in flight performance
  33. Os70
  34. What is the evolution of OS 4 strokes?
  35. 1.60fx , muffler ?
  36. selecting 3- adn 4- bladed props
  37. Info on the OS EFI engines
  38. History of OS engines....
  39. Old OS Max .10
  40. OS FX 1.60 -- Overly Sensitive to Lean Runs ???
  41. 91fx
  42. low power OS 1.60FX
  43. 91fx
  44. Older OS .46 VRM Marine
  45. Runs and Quits "tip of the week"
  46. Need Help With OS 120 III with Pump
  47. OS 1.20 W pump inverted?
  48. Need gaskets for OS 40 SR
  49. os 91 fx
  50. Reverse Rotation Crankshaft for older OS60/61 FSR
  51. OS50 'sneezes'?
  52. 160fx prop 3d
  53. what is the size of thread for the nipple in OS 46fx muffler?
  54. OS .50 SX - Won't die?
  55. .91 FX Props
  56. OS 1.60FX detonation in the midrange
  57. OS and Thunder Tiger story
  58. OS 50 SX Aircraft
  59. Prop size questions
  60. OS max 40 Sr Engine
  61. out of touch for a little while
  62. OT: GP 1/3 Scale Pitts tech notice.
  63. 3 blade prop for .61FX
  64. Os Cz 15
  65. tip of the week: tuned pipes
  66. Dynamite TNT .12R
  67. OS 160FX Cuts out 2/3 tank
  68. Too rich idle
  69. Remote Glow Driver cap wont fit.
  70. Mounting .91 FX horizontal
  71. OS160FX Piston
  72. os 52 surpass
  73. OS CV troubles
  74. Os 50 & CY MP 30%
  75. manuals, expl view, parts lists, dimensions, pricing and more!
  76. O.S. .15 LA from LHS w/o instructions?
  77. 15cvr with 10a carb
  78. A must read!
  79. Os 46 Vx D/f
  80. OS 61Fx Muffler
  81. Best prop for fx160
  82. Os 70 Surpass Runs Eratic At Full Throttle
  83. os max .35 needle valve needed
  84. OS .91 Surpass Problem
  85. OS max FP 40
  86. os 70 surpass throttle postition Q...
  87. In-cowl muffler for OS 91 FX
  88. Out Of Town Notice
  89. OS91Fx air bubbles in needle valve fuel line
  90. Glow plug reaches ??
  91. 91 fx air leaks
  92. OS1.40RX (first series) low end?
  93. Please read before posting...........
  94. OS 160 Shortening stock muffler
  95. The baffle - what's it for?
  96. cleaning .46 FX
  97. OS 1.6 FX Starting question
  98. OS .61 Hanno
  99. O.S. .91FX Lemon (Revisited)
  100. best prop for os bgx
  101. Problem with OS .61RF-ABC-P
  102. Problem with OS .61RF-ABC-P
  103. Parts available for older engines?
  104. Thread questions for carb and glow plug
  105. os 46 fx
  106. Re: os fs 120 sp
  107. OS 46FX Muffler
  108. OS Max .34 F question
  109. O.S. .91FX Lemon
  110. OS300 troubles
  111. O.S. 4-Stroke Headers
  112. 46Fx Warrenty Question
  113. SMOKE -1.60 FX any mufflers out there???
  114. NEW: Ask your O.S. engine questions directly here

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