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  1. bgx 3500
  2. .70 Surpass II
  3. rc engine crankcase bearings when to replace?
  4. New To OS Please Help.
  5. OS bearings
  6. Who can tell the the HS position on OS 110-P
  7. noisy engine
  8. 46AX problems
  9. OS 120
  10. MOVED: OS OR MAGNUM 4 STROKE INVERTED
  11. GT55 Propeller Drill Fixture
  12. BGX question for BAX
  13. Is large diameter fuel tubing absolutely needed ?
  14. OS 75AX Break-in Procedure
  15. FS-81a manual
  16. 120 surpass III bogs down on full
  17. MOVED: replacement engine for tamiya nitro thunder
  18. what os engine is compatible with tamiya nitro thunder
  19. OS Ft-160 Twin PROBLEMS
  20. OS FT-300 Exhaust
  21. OS 91 Surpass P
  22. OS 61 FX carb
  23. OS carb change
  24. Engine screams with throttle closed, crack/air leak?
  25. .91 crankshaft part number.
  26. OS FS200 typical RPM?
  27. OS 200FS lost compression
  28. os .18 tm problem
  29. OS61RF pump exploded view
  30. 91fx piston cleaning
  31. turbo plugs
  32. OS FS-80 - anno 1982 version
  33. OS21tm Crank
  34. 91FX getting hot
  35. OS 91 FS Surpass Prop.
  36. OS 91 Surpass II
  37. muffler
  38. O.S. .120 Surpass Retrofit
  39. OS 120 surpass E plumbing??
  40. OS 4 Stroke valve kit
  41. OS 91 S II
  42. Difference between Surpass and Surpass II?
  43. OS 61 MAX SF
  44. OS91 heli engine cutting at mid power
  45. Os 91 Fx
  46. OS 46fx
  47. Fr5-300 sirius breather nipple
  48. OS FL-70 idle problem
  49. Accurate compression test.
  50. OS FS .90 Surpass priming help.....
  51. 55 AX vapor lock
  52. OS 55ax new (15611) vs old (15610)
  53. Problem with OS 61FX
  54. OS .21TM Fuel Question?
  55. Leaking front bearing
  56. OS 46 AX fuel feed problems
  57. Surpass parts interchangeability
  58. OS91FX Props
  59. 65 LA cover plate LEAKS alot
  60. FS120 series iii regulator leaking.
  61. OS50SX ringed
  62. FS-91 Surpass Cylinder Head
  63. l
  64. FS 91S II-P woos
  65. FS110a how to upgrade to pump version
  66. O.S. 46AX Idle speed
  67. OS Aluminum Eng. Mount 904
  68. Which OS max do I have??
  69. 95 AX run in problems.
  70. O.S 120 III pump
  71. Starting
  72. Do New OS 55hz's have difficulties???
  73. .10 FSR Muffler Question
  74. O.S. Muffler
  75. OS .46FXi
  76. Muffler Extension
  77. OS 1.20III pumper
  78. Carb barrel stop screw
  79. Fuel-Oil% for O.S. 18TM
  80. FS-120, Crank Turns, Piston Frozen
  81. OS 61 RF
  82. O.S. FS-200S-P
  83. O.S. 18 TM
  84. dimensions of O.S. 160
  85. Head gasket for 46 AX
  86. OS 160 Fuel tubing/filter/clunk size
  87. 4-Stroke dissasembly
  88. OS 1.60 Advice
  89. OS .61 SF- ABC or Ring?
  90. OS Surpass FS .91 inverted question
  91. where can I get a crankshaft?
  92. 75AX Tank Size?
  93. OS 91FX con rod assembly
  94. tank position
  95. OS V Spec
  96. 25FX
  97. O.S. 10 FP
  98. OS 40 VR-P
  99. OS FS-30S 4stroke valve spring breaking
  100. OS 30sf 4stroke
  101. Porting the OS 30VG
  102. what glow plug
  103. old o.s. 20 AND .25
  104. crankshaft
  105. OS 91FX being discontinued
  106. O.S.61SF carb
  107. can i use heli 20% nitro / 19% synth oil in a 1.20 with pump?
  108. OS 65 LA Low Speed Adjustment
  109. A3 or New A6 Plugs
  110. After run oil to an OS 120 FS III
  111. OS MAx 1.20 AX with Power Box Muffler:
  112. OS 61 Long Stroke.
  113. os .15 tank
  114. New OS 4-stroke pricing structure..not making sense?
  115. .55 AX Prop Clearance
  116. OS 30VG exhaust pipe
  117. OS VFDF .25 Gaskets
  118. Installing Piston and Sleeve on OS 46FX
  119. O.S. FS-91 II Surpass valve question.....
  120. OS FS header pipe
  121. headers for OS 18TM
  122. 18tz Low RPM Overheating
  123. OS FS 91 Pump ( Surpass II )
  124. OS Max 20FP question
  125. OS engine suggestion ...
  126. OS engine suggestion ...Bax!
  127. 91 Surpass Crankshaft/Camshaft Install
  128. OS exhaust manifold for OS 81 FSa in Great Planes Reactor
  129. prop nut spinner for os ft 160
  130. OS 50 Hyper Full of Oil - No really full!!
  131. ABout buying an OS FL70..
  132. Pitts muffler for side mounted 1.10 4-stroke
  133. OS 46 AX
  134. Os Max FT 240 twin..
  135. .90 FSR for speed
  136. Temperature value for a heli 55HZ-H
  137. 120 AX remote needle valve
  138. 120 AX remote needle valve
  139. OS FS 90
  140. OS 46 AX damage
  141. OS 110 FSa problems
  142. OS 46Ax transition
  143. Problem Tuning-Transition OS55AX
  144. DOES ANYONE KNOWN WHERE I CAN GET PARTS FOR A OS77DUCTED FAN ENGINE!!!!
  145. OsFS61
  146. Cyl/piston
  147. fuel
  148. OS 1.20 S III pumper
  149. OS 110FSa exhaust silencer keeps coming loose
  150. older O.S. .40 question
  151. OS 28XZ tech question
  152. 91 FX muffler
  153. cam timing OS 81FSa
  154. O.S. 120 surpass II idle mix?
  155. os 70 ultimate help plese
  156. O.S FT-300 compression ratio?
  157. os55 prop size
  158. O.S .18 TZ engine
  159. OS 55AX Carb ??
  160. Help with settings on FS-200S-P
  161. WD40 as afterun oil.
  162. OS .37 Carburetor Slop
  163. os21vg wont start
  164. Prop reamer
  165. Need help with OS91 FS II
  166. prop for ft-300
  167. os 140 rx pump
  168. parts for 40/45 FSR
  169. OS 81FS a question
  170. What's the difference?
  171. os 25
  172. Removing Blue Color 40 LA
  173. OS FS120 Muffler?
  174. OS 110A Prop?
  175. OS 91 Surpass
  176. OS 95AX inverted Pitts muffler question
  177. OS 160FX crankshaft seems to wiggle
  178. O.S. Engine After-Run Recommendations
  179. 18TZ
  180. 60FP parts
  181. OS .18 CV-RX
  182. OS Gemini 160 twin 4 stroke
  183. OS 110a RPM?
  184. OS 1.20 Surpass III w/pump question?
  185. O.S 120 FS pre Surpass
  186. OS 91 Surpass Pumper
  187. 120AX bearing change out
  188. 120AX bearing change out
  189. OS 10 FP,FSR, LA etc
  190. OS F glow plug ???
  191. OS .50 SX-H ringed hyper acting up
  192. older .48 surpass parts
  193. Is there an idle mixture adjustment on the 10H Carb?
  194. .46 LA Non Ringed - Break in and best fuel?
  195. OS .61 SF (circa 1987) Needle Valve Replacement
  196. FS-200S-P Engine Mount
  197. OS 60 FSR or 60SR Engine what is the differance in them
  198. OS 160FX Crankshaft Shear
  199. 7L carb
  200. FS120 Cyl Liner
  201. Hyper 50 sputter problem
  202. 7L carb
  203. Tank Position
  204. Old OS Overhaul Service Available?
  205. FS 120 Surpass pumped
  206. 7L carb
  207. How do you actually check an Injector?
  208. .81 alpha propeller for 3D.
  209. 7L carb
  210. OS 140RX Need Help
  211. OS 21TM needle settings
  212. Are OS FS91 series carbs interchangeable?
  213. OD 70 surpass camshaft cover
  214. found out the easy way
  215. os fs 70 surpass
  216. 2 stroke carbs in general
  217. OS 70 Surpass - Low speed/idling issue
  218. OS 91 FX - rattling noise
  219. OS Carb Parts
  220. O.S. 55AX Muffler question
  221. Bad bearings not covered under warrenty?
  222. need shaft dimension for this OS part
  223. OS 25FX
  224. 3-needle carb heli engines... cannot seem to tune them!
  225. O.S. FS-90
  226. OS 46 LA (Natural)
  227. 55AX Inverted Brake in
  228. Sirius 300 Radial
  229. 55ax carb housing
  230. O.S. 95AX Questions?
  231. OS 91 FX:Slimline Q vs Bisson Muffler-Pitts style
  232. O.S. FS-26S-C II 4-Stroke
  233. 55 Ax Prop ?
  234. OS4A Carb
  235. OS FS110 A muffler
  236. 40 fp muffler exhaust extension
  237. Replacing The .25FX with .25AX WHY?
  238. os 75ax
  239. os .18cv-r clutch ?
  240. O.S. FS40 Surpass Ringed is it enough power?
  241. advice for a clone 91
  242. os 4strokes
  243. OS 25 FX Muffler Screws
  244. MOVED: Throttle Arm for FS-91 Surpass II?
  245. 46 FX help with Con rod
  246. cylinder head bolt stripped removal???
  247. Os 46 sf carb or barrel replacemnt ?
  248. Surpass lll Manufacturing defect
  249. .81 Alpha question and 55AX.
  250. 55AX vs. 61FX?