View Full Version : O.S. Engines Support



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  1. 15 cv-x hyper, difficult to turn over
  2. OS .46 SF-P : what is this engine?
  3. 1983 FS-90 advise
  4. os70 surpass
  5. OS Engines
  6. OS BGX-1 Tuning
  7. what glow plug with 30% Nitro & 46FX?
  8. Typical OS 91 FX RPM Range
  9. OS 40 LA Carb Settings
  10. OS 160 FX
  11. After run oil?
  12. OS 52 Surpass won't idle w/o glow-plug
  13. I need parts for my Ft-120
  14. ALTERNATIVE SOLUTION OF 46SX-PISTON SLEEVE
  15. 91 FX bearing question
  16. Trouble starting/idling O.S. .15 CV-X
  17. New OS 70 FS power vs. LA .65
  18. Sensitive needle adjustment.
  19. MOVED: OS FS70 full throttle problem
  20. Damaged OS 91 Surpass w/ Pump
  21. FS70 Surpass 2 muffler question
  22. Which prop for 91FX pulling 8.5 lbs Extra?
  23. 1.6FX carb alternative
  24. OS- .50sx Surging at full thottle? Help!!
  25. OS 61 MAX RF and Hatori 650 pipe
  26. OS 45 FSR ABC Bearings
  27. MOVED: OS Radial
  28. Head Shims
  29. OS 61 FX / Mac Tune Pipe and header
  30. OS .46 FX Break-in
  31. Oilly mess or normal.
  32. OS 120 III pumped
  33. OS .46AX in Funtan S 40
  34. 40/46 LA Parts Pack
  35. regulator leak - FS 91 Surpass with pump
  36. 40/46 LA Carb
  37. Needle Valve for OS 120 Surpass I
  38. Supercharged OS FS 120 SP
  39. FUEL PUMP FOR O.S. BGX-1
  40. Need help tuning my OS61RF-P
  41. OS 7D carb
  42. 52 Surpass with Perry VP30 Pump
  43. Pressure nipple thread size
  44. Bearing replacement 0S 120
  45. FS 70 Ultimate won't run
  46. 91 SX-H & 91 FX rear bearing
  47. .46 FX won't stop running
  48. os .61vrm and cmb .90 tuned pipe
  49. Old Engine Instructions
  50. OS .61 SF (Ring)
  51. OS 1.6 FX W/PERRY PUMP(REGULATED)
  52. OS 61FX
  53. OS 70 - looks fine, won't start
  54. OS FT-300
  55. 0S.46 max in nexstar
  56. 1.60FX on FAI fuel
  57. OS-140RX-FI adjustments...
  58. 1.4 vs. 1.6
  59. cylinder liner not fitting
  60. 91 FS surpass
  61. % Oil suitable for OS
  62. 46 SF shuts off
  63. OS 1.20 with pump
  64. help to find parts
  65. OS 120FS III Breaking In?
  66. FS .52 reverse rotation
  67. OS 91 FX idle question
  68. OS .50-SX Air Bubbles Remote Needle????
  69. New engine
  70. Parts for O.S. .21EX
  71. 91 fx
  72. OS 7M carb
  73. my O.S RG .21 max will NOT Run
  74. 40FP/40LA carb swap?
  75. OS .52 four stroke over prop
  76. os .21 rg
  77. Kyosho mount for OS engine question
  78. OS BGX-1 Stock Muffler Question
  79. OS 120 FS with pump
  80. OS 300 twin problems
  81. Piston Corrosion???
  82. 50SX RPM ?
  83. breaking in a .12 cv-x
  84. FS-91S II vs. FS-91S II FI where's the benefit?
  85. 52 FS Surpass
  86. OS 120FS Surpass Type II
  87. osfs120 sc
  88. OS 61 VRM Specs and Info Please
  89. How to remove FS-120 piston
  90. 40 FP NEEDLE VALVE ASSEMBLY?
  91. 120 pump , is clogged, how do I cleaned?
  92. 2-needle carb for FS-26-C
  93. 61RF-P ABC Running in problems
  94. OS FS-70 Ultimate Idle Problems
  95. OS .61 FX problem
  96. OS 140 RX/FI starting problem
  97. OS FS-70 Ultimate Idle Problems
  98. OS 40 FP
  99. OS 70 Ultimate, Variance
  100. 46 SF Needle
  101. Another FS-26 question
  102. OS 1.60FX Muffler Problem
  103. Oils
  104. fan unit
  105. old engine
  106. 46SF lacking power
  107. Muffler swap? OS .91 surpass/ 1.20 surpass
  108. replacement o-ring help
  109. OS 70 Ultimate Running in
  110. 46 LA
  111. Replacing the stock muffler with a copper pipe
  112. Difference between FS-120 III, FS-120 II and the FS-120 Surpass? confused?
  113. 46 FX Runtime
  114. OS50SX Surging
  115. Exhaust options for the FS-26C
  116. os no7 glow plug
  117. OS FS-70 Ultimate Bubbles in fuel line
  118. OS 50SX Glo Plug Issue ?
  119. O.S. 91FSII bearings
  120. OS LA .46 CARB
  121. vz tuning chasing
  122. 25 LA factory air bleed setting
  123. 91 or 1.08 , Thats the question?
  124. O.S. 1.08 Problem
  125. O.S. Max glow plug
  126. FS 70 Surpass (not Surpass II)
  127. OS 1.20 surpass III w/pump fuel tank
  128. OS .21 RZ-V01b
  129. OS 120 Surpass-E exhaust header
  130. 21RG Temps
  131. FS-26c 4-stroke first start
  132. 120 Surpass
  133. 0s 140rx parts
  134. 91 FX Super Muffler E-4030 Baffle
  135. OS91 surpassII
  136. 4-stroke buggy motors
  137. Older O.S. 91 FSR
  138. OS 1.60 FX - engine stoppages
  139. OS Rotary
  140. OS .40 looses power...
  141. OS 300 Twin Prop/RPM
  142. 46FX Crankcase Leak
  143. OS 120 Surpass-E
  144. O.S. FS-120S-SP
  145. C-13 Carb Setup
  146. OS bgx on no nitro?
  147. OS120 Pumped Quiting
  148. FS .26 4 stroke carb question
  149. New OS32 sx-H engine frozen stiff
  150. OS 1.40 rear bearing rust
  151. os max question
  152. Needle valve (interchangeability)
  153. Help! OS 70 Surpass - No Power
  154. OS 91fs prop
  155. Need help - OS FS 70 Ultimate
  156. OS 5b carburetor screw
  157. OS 140 RX
  158. Prop for OS160
  159. os 90 max muffler
  160. OS MAX .40 SF Two Stroke
  161. Perry Pump on FX 160
  162. loss power
  163. OS .91 4 stroke pumped or not?
  164. OS40FS
  165. OS FS-40 valve gap
  166. OS Max-H .80
  167. Old OS120FS
  168. OS 91 FX
  169. OS 32 SXH crankshaft not spinning freely
  170. FS .26 4 stroke reassembly help needed
  171. Air Filter for O.S. FS-120 III Surpass w/Pump
  172. Need info for old fs-90
  173. klotz oil additive amount question
  174. FS-40 Surpass part numbers
  175. O.S. Surpass 1.20
  176. os 160 twin
  177. os 91 fx muffler
  178. Spare Parts for OS
  179. What temp is too hot? OS 70 H in Raptor 60
  180. OS .46AX Warranty Question
  181. help please...
  182. O.S. FS-70 II Surpass starts backwards?
  183. OS40 FS
  184. 502 Tuned pipe system..
  185. OS 90 FS - inverted tuning issues
  186. OS 32 Heli - Con-rod
  187. OS 1.60 Fat in the Middle????
  188. OS 12 CV-RX wont turn
  189. OS Max FS-70 Surpass help needed
  190. Instruction Manual for OS Max H60GP
  191. Wankel PI questions
  192. 61SF
  193. Idle problem
  194. os46fx quits running
  195. OS FT120 II disassembly
  196. .46FX reassembly help
  197. OS70FS clicking
  198. OS50SXH
  199. O.S. FS 120SIII help!!!
  200. 12 TR (P) T max allowable Temp
  201. 'running in' for a .91 VRDF
  202. please help my OS.61 max fx
  203. OS50SXH difficulty tuning
  204. OS50SX Performance Delta
  205. fx25 piston and liner replacement
  206. os max 90 four stroke
  207. OS FS-120S-E Won't Run
  208. Low RPM out of OS Max FP .25
  209. O.S. .61 MAX FSR Engine help
  210. O.S 1.20FSIIIP+mount
  211. OS 91FX remote needle
  212. OS .46 carb problem
  213. NEED Regulator Cover of #70C carb body
  214. O.S 502 pipe system...
  215. O.S. 70 Ultimate Problem - Fuel leak
  216. os fs.70s surpass II prop
  217. OS 120 FT
  218. O.S. FS-120 manual
  219. OS 50 SX quitting
  220. OS 120 FSIII power down
  221. Headers for OS 120 III pumped
  222. OS 1.08 need a new ring and liner
  223. OS Cylinder Peeling
  224. Info On OS 52 FS
  225. OS 70 Ultimate RPM Figures
  226. How to remove cylinder lining in OS ABC-engine?
  227. OS 160 FT outline drawing and dimensions ?
  228. OS .46 Fx sleeve problems
  229. 0S FS 120 SURPASS PUMP DIAPHRAM
  230. OS 1.40 'popping' at idle
  231. OS 70 Ultimate problems
  232. OS Max .21 VZ-B (P) rear exhaust engine
  233. One way bearing prob
  234. will it fit?????????? plz hlp
  235. OS make Chrome sleeve?
  236. which muffler??
  237. os 91 vr df
  238. Carb Parts for 91 4 stroke.
  239. OS 70Surpass - starting problem
  240. OS 1.40 eating glow plugs
  241. OS 120 FT
  242. OS Engine Comparison
  243. OS 45 FSR Part
  244. Reassembly procedure. OS Gemini 120 & 160
  245. Glow Plugs for OS .25 FX
  246. os 50 sx max rpm 11000
  247. Where to find needle valve assembly for older FS 70 Surpass
  248. os91 engine
  249. 1.40 cold starting?
  250. OS 91 FX break in and props?

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