View Full Version : O.S. Engines Support



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  1. ALTERNATIVE SOLUTION OF 46SX-PISTON SLEEVE
  2. 91 FX bearing question
  3. Trouble starting/idling O.S. .15 CV-X
  4. New OS 70 FS power vs. LA .65
  5. Sensitive needle adjustment.
  6. MOVED: OS FS70 full throttle problem
  7. Damaged OS 91 Surpass w/ Pump
  8. FS70 Surpass 2 muffler question
  9. Which prop for 91FX pulling 8.5 lbs Extra?
  10. 1.6FX carb alternative
  11. OS- .50sx Surging at full thottle? Help!!
  12. OS 61 MAX RF and Hatori 650 pipe
  13. OS 45 FSR ABC Bearings
  14. MOVED: OS Radial
  15. Head Shims
  16. OS 61 FX / Mac Tune Pipe and header
  17. OS .46 FX Break-in
  18. Oilly mess or normal.
  19. OS 120 III pumped
  20. OS .46AX in Funtan S 40
  21. 40/46 LA Parts Pack
  22. regulator leak - FS 91 Surpass with pump
  23. 40/46 LA Carb
  24. Needle Valve for OS 120 Surpass I
  25. Supercharged OS FS 120 SP
  26. FUEL PUMP FOR O.S. BGX-1
  27. Need help tuning my OS61RF-P
  28. OS 7D carb
  29. 52 Surpass with Perry VP30 Pump
  30. Pressure nipple thread size
  31. Bearing replacement 0S 120
  32. FS 70 Ultimate won't run
  33. 91 SX-H & 91 FX rear bearing
  34. .46 FX won't stop running
  35. os .61vrm and cmb .90 tuned pipe
  36. Old Engine Instructions
  37. OS .61 SF (Ring)
  38. OS 1.6 FX W/PERRY PUMP(REGULATED)
  39. OS 61FX
  40. OS 70 - looks fine, won't start
  41. OS FT-300
  42. 0S.46 max in nexstar
  43. 1.60FX on FAI fuel
  44. OS-140RX-FI adjustments...
  45. 1.4 vs. 1.6
  46. cylinder liner not fitting
  47. 91 FS surpass
  48. % Oil suitable for OS
  49. 46 SF shuts off
  50. OS 1.20 with pump
  51. help to find parts
  52. OS 120FS III Breaking In?
  53. FS .52 reverse rotation
  54. OS 91 FX idle question
  55. OS .50-SX Air Bubbles Remote Needle????
  56. New engine
  57. Parts for O.S. .21EX
  58. 91 fx
  59. OS 7M carb
  60. my O.S RG .21 max will NOT Run
  61. 40FP/40LA carb swap?
  62. OS .52 four stroke over prop
  63. os .21 rg
  64. Kyosho mount for OS engine question
  65. OS BGX-1 Stock Muffler Question
  66. OS 120 FS with pump
  67. OS 300 twin problems
  68. Piston Corrosion???
  69. 50SX RPM ?
  70. breaking in a .12 cv-x
  71. FS-91S II vs. FS-91S II FI where's the benefit?
  72. 52 FS Surpass
  73. OS 120FS Surpass Type II
  74. osfs120 sc
  75. OS 61 VRM Specs and Info Please
  76. How to remove FS-120 piston
  77. 40 FP NEEDLE VALVE ASSEMBLY?
  78. 120 pump , is clogged, how do I cleaned?
  79. 2-needle carb for FS-26-C
  80. 61RF-P ABC Running in problems
  81. OS FS-70 Ultimate Idle Problems
  82. OS .61 FX problem
  83. OS 140 RX/FI starting problem
  84. OS FS-70 Ultimate Idle Problems
  85. OS 40 FP
  86. OS 70 Ultimate, Variance
  87. 46 SF Needle
  88. Another FS-26 question
  89. OS 1.60FX Muffler Problem
  90. Oils
  91. fan unit
  92. old engine
  93. 46SF lacking power
  94. Muffler swap? OS .91 surpass/ 1.20 surpass
  95. replacement o-ring help
  96. OS 70 Ultimate Running in
  97. 46 LA
  98. Replacing the stock muffler with a copper pipe
  99. Difference between FS-120 III, FS-120 II and the FS-120 Surpass? confused?
  100. 46 FX Runtime
  101. OS50SX Surging
  102. Exhaust options for the FS-26C
  103. os no7 glow plug
  104. OS FS-70 Ultimate Bubbles in fuel line
  105. OS 50SX Glo Plug Issue ?
  106. O.S. 91FSII bearings
  107. OS LA .46 CARB
  108. vz tuning chasing
  109. 25 LA factory air bleed setting
  110. 91 or 1.08 , Thats the question?
  111. O.S. 1.08 Problem
  112. O.S. Max glow plug
  113. FS 70 Surpass (not Surpass II)
  114. OS 1.20 surpass III w/pump fuel tank
  115. OS .21 RZ-V01b
  116. OS 120 Surpass-E exhaust header
  117. 21RG Temps
  118. FS-26c 4-stroke first start
  119. 120 Surpass
  120. 0s 140rx parts
  121. 91 FX Super Muffler E-4030 Baffle
  122. OS91 surpassII
  123. 4-stroke buggy motors
  124. Older O.S. 91 FSR
  125. OS 1.60 FX - engine stoppages
  126. OS Rotary
  127. OS .40 looses power...
  128. OS 300 Twin Prop/RPM
  129. 46FX Crankcase Leak
  130. OS 120 Surpass-E
  131. O.S. FS-120S-SP
  132. C-13 Carb Setup
  133. OS bgx on no nitro?
  134. OS120 Pumped Quiting
  135. FS .26 4 stroke carb question
  136. New OS32 sx-H engine frozen stiff
  137. OS 1.40 rear bearing rust
  138. os max question
  139. Needle valve (interchangeability)
  140. Help! OS 70 Surpass - No Power
  141. OS 91fs prop
  142. Need help - OS FS 70 Ultimate
  143. OS 5b carburetor screw
  144. OS 140 RX
  145. Prop for OS160
  146. os 90 max muffler
  147. OS MAX .40 SF Two Stroke
  148. Perry Pump on FX 160
  149. loss power
  150. OS .91 4 stroke pumped or not?
  151. OS40FS
  152. OS FS-40 valve gap
  153. OS Max-H .80
  154. Old OS120FS
  155. OS 91 FX
  156. OS 32 SXH crankshaft not spinning freely
  157. FS .26 4 stroke reassembly help needed
  158. Air Filter for O.S. FS-120 III Surpass w/Pump
  159. Need info for old fs-90
  160. klotz oil additive amount question
  161. FS-40 Surpass part numbers
  162. O.S. Surpass 1.20
  163. os 160 twin
  164. os 91 fx muffler
  165. Spare Parts for OS
  166. What temp is too hot? OS 70 H in Raptor 60
  167. OS .46AX Warranty Question
  168. help please...
  169. O.S. FS-70 II Surpass starts backwards?
  170. OS40 FS
  171. 502 Tuned pipe system..
  172. OS 90 FS - inverted tuning issues
  173. OS 32 Heli - Con-rod
  174. OS 1.60 Fat in the Middle????
  175. OS 12 CV-RX wont turn
  176. OS Max FS-70 Surpass help needed
  177. Instruction Manual for OS Max H60GP
  178. Wankel PI questions
  179. 61SF
  180. Idle problem
  181. os46fx quits running
  182. OS FT120 II disassembly
  183. .46FX reassembly help
  184. OS70FS clicking
  185. OS50SXH
  186. O.S. FS 120SIII help!!!
  187. 12 TR (P) T max allowable Temp
  188. 'running in' for a .91 VRDF
  189. please help my OS.61 max fx
  190. OS50SXH difficulty tuning
  191. OS50SX Performance Delta
  192. fx25 piston and liner replacement
  193. os max 90 four stroke
  194. OS FS-120S-E Won't Run
  195. Low RPM out of OS Max FP .25
  196. O.S. .61 MAX FSR Engine help
  197. O.S 1.20FSIIIP+mount
  198. OS 91FX remote needle
  199. OS .46 carb problem
  200. NEED Regulator Cover of #70C carb body
  201. O.S 502 pipe system...
  202. O.S. 70 Ultimate Problem - Fuel leak
  203. os fs.70s surpass II prop
  204. OS 120 FT
  205. O.S. FS-120 manual
  206. OS 50 SX quitting
  207. OS 120 FSIII power down
  208. Headers for OS 120 III pumped
  209. OS 1.08 need a new ring and liner
  210. OS Cylinder Peeling
  211. Info On OS 52 FS
  212. OS 70 Ultimate RPM Figures
  213. How to remove cylinder lining in OS ABC-engine?
  214. OS 160 FT outline drawing and dimensions ?
  215. OS .46 Fx sleeve problems
  216. 0S FS 120 SURPASS PUMP DIAPHRAM
  217. OS 1.40 'popping' at idle
  218. OS 70 Ultimate problems
  219. OS Max .21 VZ-B (P) rear exhaust engine
  220. One way bearing prob
  221. will it fit?????????? plz hlp
  222. OS make Chrome sleeve?
  223. which muffler??
  224. os 91 vr df
  225. Carb Parts for 91 4 stroke.
  226. OS 70Surpass - starting problem
  227. OS 1.40 eating glow plugs
  228. OS 120 FT
  229. OS Engine Comparison
  230. OS 45 FSR Part
  231. Reassembly procedure. OS Gemini 120 & 160
  232. Glow Plugs for OS .25 FX
  233. os 50 sx max rpm 11000
  234. Where to find needle valve assembly for older FS 70 Surpass
  235. os91 engine
  236. 1.40 cold starting?
  237. OS 91 FX break in and props?
  238. OS50SX...Very Strange problem!!!
  239. OS .12 TR (P) needle settings?
  240. os 91fs cuts out during flight
  241. OS 70 crank shaft
  242. crank-50sx vs 50sxh
  243. OS 91 FX which prop for slow flight/torque?
  244. Size for carb screws
  245. O.S. FT-160 Twin
  246. Suggestion for OS 2-stroke muffler improvement
  247. OS 50 SX and OS 50SXH Problem?
  248. Replace conrod and piston pin os21 VF-BR
  249. Propeller Shaft - O.S. 70 Surpass
  250. Where to buy new needle for 46 FX

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