View Full Version : O.S. Engines Support



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  1. Minor pitting on piston.
  2. OS 61FX lowspeed Needle valve location?
  3. OS46AX engine
  4. fs91/p adjust...
  5. .46 LA fuel and prop recomandations
  6. fs-91/p breakin problem
  7. Best prop for OS 1.20 AX
  8. O.S. 15 LA Won't Start
  9. FS56a RPM
  10. YS/Saito 20/20 in OS 46FX
  11. parts for 2nd gen. 1.20w/pump
  12. new 37SZ-H Problem
  13. o.s 21 tm tmaxx minifold
  14. Vspec VZB .21 (possible connecting rod dmg?)
  15. OS 61 RF Thrust washer
  16. os .21tm factory settings
  17. 91fx max rpm
  18. Hyper 50 problem??
  19. Rust: pre-existing ??
  20. Trouble With New OS .46AX
  21. OS 91FX can't shut down
  22. OS .61 FSR carburetor
  23. O.S. .50SX Bearings
  24. 18CV-R and 15CV-R
  25. O.S. 4BK Carb Replacement
  26. Engine ID help
  27. os.18cvrx 11j rotoary carb wont start
  28. FP-60 liner
  29. 1.20 FM OS not running
  30. Replacement bearing for OS .30VG-P
  31. O.S. FSa-81 Carb Settings
  32. 15CV-R or AQ .18 more powerfull?
  33. OS .18CV-RX Crankshaft question
  34. OS 61 SF-P, PD-02 pump unit question.
  35. OS FS 91 Break in / running fuel
  36. 25VF and 25VF-DF Crankshaft Specs
  37. OS 1.60 dies in air
  38. OS 300 5 cyl
  39. .21 VZ-B V-SPEC (T)
  40. .30 VG rotostart?
  41. 30 VG "safe" temps...
  42. OS 91 Surpass header
  43. OS FSa 56 problem
  44. Cooling head for .30VG
  45. O.S. 40LA needle valve + airbleed screw setting.
  46. O.S. FS-91 II Surpass w/Pump fuel tank location?
  47. os.18cvrx w/11j rotary carb
  48. os 40la screw help
  49. O.S 1.6fx new ring
  50. .91 FX + Macs Tuned Pipe Questions
  51. OS18TZ standard shaft with rot carb ?
  52. OS 15 FP RPM
  53. "Locked Up": Drive Hub and Woodruff Key
  54. OS 200 4/C question
  55. FSa-56 Inverted mounting
  56. FSa-56 fuel
  57. OS .21RG non pullstart
  58. MOVED: cordless starter
  59. O.S. 55AX Inverted Mount Problems
  60. o.s 55ax
  61. os 70 surpass 2 drive washer
  62. OS VSpec #13895
  63. OS .55 AX Funfly
  64. MOVED: O.S. .81 FS-A
  65. O.S. 160 Sleeve repair Question???????
  66. O.S 52 surpass carb adjustment
  67. Pattern prop for new OS 91FX
  68. FS120 Series II pumped - fuel leak at regulator
  69. .26FS Questions
  70. O.S. 61VR-M Connecting rod
  71. which 3 blade prop for 91fx?
  72. OS 25 FSR Backplate and gasket
  73. OS 46SF P VS 46FX
  74. OS 75AX Pitts style muffler questions
  75. O.S. 21 V-Spec
  76. 91 fx carb replacement
  77. 91FX prop rpm
  78. OS 50SX-H graduation markings ??
  79. Factory slide carb settings for OS Max 12CV
  80. OS 61fx corrosion
  81. problems with .46 FX H SOLVED!
  82. OS 91 FS surpass
  83. OS FT-120 II - ideal rpm
  84. ft160 low compression
  85. OS 1.20 Pumped Motor Mount
  86. Alternate OS break-in procedure?
  87. Correct spec 18TZ-X
  88. Advice on maintenance of OS
  89. OS 15CV-R and 18CV-R take the same header?
  90. Air bleed screw for Max-H 40
  91. 25fx
  92. Ring for old OS50 Max
  93. OS.46 FXI needle valve
  94. Help with An OS.46SF-P
  95. Glo plugs for older OS engines.
  96. 40 LA Question
  97. Fuel line connections on 160 twin?
  98. OS .25 FX
  99. .46 FXi and .46AX
  100. MOVED: Just ordered the os 75 ax
  101. O.S. FS-90 Carb
  102. OS .61 FX break in prop
  103. OS 18tm meter valve problem
  104. AX55 After market muffler
  105. O.S. FS-26S-C II 4-Stroke cam bearings
  106. OS 140 RX rear exhaust gasket
  107. OS 46 AX
  108. os fs 40 surpass 4 stroke engine parts
  109. o.s 21tm
  110. I need the part # for the 10E-R carburetor for my .12 cv-r engine?
  111. Gasket material for OS engines
  112. OS 4 stroke runs best upright or inverted?
  113. FS-91SII Fuel doesn't flow to carb
  114. OS 120 Surpass - Pump or no pump?
  115. TIMING MARKS IL 300?
  116. OS FT-120 Gemini engine
  117. lube for os 2stroke engines
  118. OS-40LA idle problem
  119. .50 SX Low on power
  120. Removing camshaft bearings?
  121. OS91FX+TUNNED PIPE
  122. need help tuning a os max cv-r
  123. OS FS 120 WRIST PIN REMOVAL
  124. How do you remove OS .30 VG rear bearing?
  125. OS .46 support.
  126. OS 91FX Head Gasket Leak?
  127. Os 46ax Muffler problem
  128. 15CVR and 18CVR carbs interchangable?
  129. OS vz-m WONT STAY RUNINNG
  130. do the OS FS engines come with any tools?
  131. O.S. 30 FS Surpass Ringed Engine
  132. intake stack for OS carbs?
  133. OS .30 VG symptoms
  134. High end and low end for .70 Surpass II
  135. OS.91SX-H C SPEC PS- VIPER
  136. OS 21VZ-B V-Spec-T HELP
  137. OS 46 SF ABC
  138. OS 55AX Carb loosening
  139. .12tz carb restrictor/ break in on crt.5
  140. 2 O.S. engines, same problem
  141. OS FT 160 Twin Cam Timing
  142. Problem running .12tz (5)...help pls..
  143. Chart Method to find years of manufacture- Help
  144. The elusive 75AX Ringed engine....
  145. Info on my OS 70 Surpass engine?
  146. OS Max 12TZ Tuned
  147. Breaking in OS 1.20 AX for pusher config
  148. New 4-Stroke What Fuel?
  149. idling speed
  150. Glow plugs burnt out
  151. os
  152. OS 30VG cutting off
  153. o.s 21tm
  154. Sirius collector ring installation problem
  155. What happen to the OS 70 Surpass II
  156. RE: 32sx piston and conrod
  157. RE: 32sx piston and conrod
  158. OS 70 sz-h for airplane use
  159. Max 12TZ(P) T3 Temperature
  160. 46 AX Head shim
  161. .18cv-r cooling head
  162. OS 91 SURPASS
  163. O.S. 1.20 AX Remote Needle Valve ??
  164. .12CV-X Question
  165. Rerouting exhaust on OS 40 FS
  166. .91FX tuned pipe?
  167. Is there an AX on the way between the .75 and 1.20
  168. FS 200
  169. OS-140 EFI Question
  170. 1.60fx
  171. 0.12 TR with 0.12TZ Turbo Head
  172. OS46AXABL
  173. OS 160 Twin
  174. OS MAX 40-H - Worth to restore?
  175. OS FS-120 Two-Cover Valve Lash
  176. FS 120 Supercharged HELP
  177. OS 77 VRDF
  178. What engine to use
  179. just delete this.
  180. os 18tm getting hot
  181. OS 0.12 TR @ 0.15 Turbo Head
  182. 3 blade prop &Tank configuration - FS 91
  183. AX46 Muffler Gasket
  184. pressure tube length
  185. String engine
  186. FS90 Overhaul Help
  187. Fuel for V-spec
  188. Hanno RE 61 replacement
  189. What Pipe for the OS 160
  190. OS 160 Gemini Carb Differences
  191. FT-120 Carb
  192. os 46ax rear bearing
  193. O.S. .70 Surpass Valve Timing
  194. MOVED: how to get CAD model for the OS engines
  195. 160 FX Midrange
  196. NItro MIxture, Timing, and Head Shims
  197. All my engines
  198. OS 50sx
  199. 46FX vs 55AX
  200. discontinued
  201. Duratrax LR3 in 18TZ.
  202. Re: OS 160 Twin 4 Stroke..
  203. OS 18 CVR break-in
  204. os 120 pump ticking noise
  205. .12 tz
  206. SF or FSR ?
  207. os 160 twin tank vent
  208. OS 160 Twin
  209. 25fx and 32sx exhaust port bolt pattern
  210. Inverted OS 91fs
  211. OS 55AX wont stay running
  212. break in the speed.
  213. OS FS 70 Rocker cover question
  214. Is my FX .61 casing toast?
  215. Fuel suggestion for OS engines
  216. leaky 46AX muffler
  217. OS 70 Bearing replacement
  218. O.S .46FXi cuts out ONLY while in the air
  219. O.S. .18 CV-R Starter
  220. V-Spec Speed Starting Problems..
  221. Fuel consumption 70 Surpass vs 46ax
  222. Aerobatic Fuel Tank Set Up
  223. OS 120 FS -E Fuel lines?
  224. O.S. FS-120 III Surpass Pumped
  225. OS 91 fuel inlet question
  226. making sense of horse power
  227. Thrust OS.40 engine
  228. will 7M carb work for the 61SF series engines?
  229. What Engine to use ???
  230. OS 90FS
  231. OZ TZ .12 crank?
  232. OS.91 4-stroke engine help needed
  233. OS 50SX won't run over mid throttle
  234. .91 OS engine question... how many turns
  235. OS 120 FS -E Strip Down
  236. 60 FSR vs 61 FSR crankcase
  237. Piston ring for os max-h 60
  238. CZ
  239. Breaking In FL-70
  240. Gemini 120 idle problem
  241. Customer loyalty and OS parts supply
  242. OS 200u Fuel consumation
  243. OS 91FX trouble...
  244. OS 46 AX break-in
  245. OS TZ .12
  246. .25Fx question
  247. OS 160FX is this normal?
  248. 61 FSR-VF Cylinder Sleeve
  249. .30VG stalls on big landings??
  250. OS 18 CV-RX one-way bearing slip

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