View Full Version : O.S. Engines Support



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  1. Original OS FS-120 short shaft
  2. os .12cv-r
  3. OS .049?
  4. Engine Mounts
  5. OS 50 Hyper
  6. 120 ax prop
  7. best pipe for os 18 cvrx (side) on a ntc3
  8. 120 ax
  9. FS 91 Surpass III pumped tank vent line
  10. OS SF .61
  11. 55ax and Bisson Pitts muffler problem
  12. Ideal rpm for OS 52 Surpass and OS 70 Surpass
  13. OS 55 AX mid range problem
  14. Lost my muffler threads
  15. #7L Carb parts
  16. new os 18 cvrx on ntc3 wont shift..pls help
  17. FS-120 Surpass II HS won't adjust
  18. OS 70 ultimate Help Needed!
  19. .21 VG
  20. os 200 fi
  21. V-Spec
  22. 160FX-FI brake in?
  23. OS 55AX carb
  24. OS FS-91 Surpass smoking at low rpm
  25. Need help !! os140RX engine just won run
  26. HELP !!!!!!!! OS 91SII 4 STROKE PROPLEM
  27. 40la
  28. OS 50 SX carburettor exchange
  29. two cover 120 timing
  30. OS 50 SX fuel bubbles
  31. OS .50 heli ask: (after a galon )
  32. 50 Hyper Warranty Question
  33. Can not start .46 LA
  34. what is the best tuned pipe set?
  35. Twin Cyl. Temp. Difference
  36. Flow Direction? OS Check Valve
  37. Spare parts for OS 91VR-DF
  38. Very short glow plug life....
  39. OS Engines .21 VG
  40. OS 18TZ Head Temperature
  41. OS 70 Ultimate Owners Manual
  42. OS 18TZ T in RC 10 GT
  43. onboard glow plug ingniter
  44. OS .46 FX plating problem?
  45. 46 fx
  46. head shims on .18TM
  47. 46 AX carb issue
  48. Need exhaust part. max.21rf-b
  49. Glow plug question
  50. roller bearing (one-way bearing) problem
  51. what glow plug/fuel combo for v-spec
  52. 55AX and prop
  53. OS 50 sx flaming out
  54. .70 Surpass Prop and RPM
  55. GBX tuned muffler?
  56. os 18tz eb modified
  57. os 120 surpass hs-needle
  58. inconsistent RPMs
  59. O.S. 12TZ-T Rotary Carb?
  60. OS 50SX-H Nitro Question
  61. OS .55 Muffler Extension - Tower .46 Muff
  62. os 70 surpass vs os 61 fx fuel consumption
  63. la65 help
  64. OS 70 Surpass Removing conrod
  65. OS Max .40 fp
  66. Ft300 timing
  67. O.S. 1.20FS Engine Question
  68. GP kit spinners bad for our OS engines?
  69. OS 46 AX mid range stumble
  70. v-spec
  71. OS 46 SF abc - P
  72. os 91 fs surpass pumped
  73. Magnum #2 in OS 160 FX
  74. OS .21 VG ShimmingThank
  75. Leaky Carb in OS 18 TZ?
  76. .21 V-Spec Dust Cover ripped, dirt present. Best way to clean?
  77. OS .46SF pump carb
  78. OS 1.20 FS Surpass
  79. 91 FSR Carb Linkage
  80. OS .91 surpass II w/Pumps leaks at regulator
  81. Need a prop for OS 25FX
  82. Rear bearing wont stay in place
  83. Os Fsa-56
  84. 91 non pumped 4 stroke
  85. os 91 fs surpass pumped
  86. Os 18tm
  87. 91 fs power output
  88. OS FS-91 SII-P
  89. OS .55AX problem
  90. New O.S. Surpass III Pumped questions.
  91. OS 91FX High Speed Needle Valve
  92. O.S. 1.20AX Dead stick problems
  93. New to RC - Need help with FXi 46 Mixture Control Valve
  94. OS91FX Trouble shutting down
  95. Can I Install a Pull-Start on an O.S. .18-CV-R???
  96. Muffler Compatibility - 25FP vs 25LA
  97. OS46VXDF
  98. I saw the OS .75 AX ringed engine
  99. OS Surpass II with a Pump
  100. Connecting rod
  101. model weight for 91FX
  102. FP40 feels strange when crank turned
  103. MOVED: New OS FSa-56 4 stroke
  104. OS 300 Twin
  105. Are O.S. Engine parts made in China?
  106. 91 surpass needle settings needed
  107. Os fs 40cx car
  108. os 120 ax prop and fuel recommendations
  109. dtx 18 and os 15 cv
  110. OS55 prop reccomendations
  111. O.S. 70 Surpass valve adjustment??
  112. How about a Factory Support Forum for GMS engines?
  113. OS 46 AX...Runs with needle valve closed !
  114. OS 50 Hyper Help?????
  115. os fs 52s
  116. New OS 61fx and MACs Tuned pipe
  117. .21 Vspec break in.. No, first time starting...?
  118. what glow plug on .18 ostm?? is os# 8 ok?
  119. Tuned Pipe for the O.S. 18TZ
  120. OS FS 70 ll surpass...black guey stuff
  121. .15 cv-r
  122. os 120 surpass aluminum motor mount
  123. OS FS 48 Surpass
  124. Idle trouble on my OS 12TR w/10J carb.
  125. OS .60 fgr questions
  126. OS 120 Surpass III
  127. OS FS 70 Surpass 11
  128. OS 30VG Compression ?
  129. Header and Pipe Combo
  130. OS 30 run in
  131. O.S. 18TZ-TX versus O.S. .18 CVR-M
  132. COOLPOWER SUPER T FUEL
  133. RECOMMENDED TEMPERATURES OS46 AX
  134. os 12 cv-r settings
  135. What's the best fuel for my OS 160FX?
  136. OS91FX mixture setting
  137. .52 muffler woes
  138. muffler swap
  139. Was told to repost this here in case someone can help. OS AX .46
  140. Hobby Services
  141. os 91 fs pumped is muffler needed ?
  142. Carb sticking at about 1/2 throttle
  143. OS 120 AX
  144. os 120fs header fit??
  145. will it fit A JATO
  146. VZB Vspec 21
  147. DTX .18
  148. OS 120 Am After Market Pitss
  149. SZ91H-PS head shim question
  150. OS Wankel Overheating
  151. OS 30vg and 30%
  152. OS .46fxi seems tight after setting
  153. OS .18 question
  154. OS 1.08 FSR 1.08
  155. 60L vs 60B
  156. os 35 question
  157. OS VR DF 91 with tuned pipe and prop option
  158. OS fs 40 four stroke
  159. dtx .18
  160. Traxxas "ez start" spinning on my os 18
  161. .46 and .55AX Help
  162. OS120AX
  163. fs 70 surpass
  164. BGX Start problem upside-dow
  165. Need new crankshaft for 160FX - taken care of
  166. OS Engines .21 VG
  167. OS .91FX
  168. OS46V Rear Exhaust
  169. OS FX 91 sputters on high end
  170. FS120 III Exhaust
  171. OS 300 Twin
  172. problem: 4 stroke mounting
  173. Heat cycle break-in???
  174. Quits at idle after removing glow charger - OS 70 Surpass II
  175. Running In an OS37SZ-H
  176. OS VSpec Pipe designations
  177. 30% Heli fuel in OS 46FX?
  178. OS 91 DF ?? what fuel????
  179. OS .55AX needle valve.
  180. FS 120 III Surpass - False firewall
  181. FS = OS is Tamiya FS an OS
  182. OS 91 Pumped problems
  183. .18 TZ question I'm a little confused...
  184. excesive fuel
  185. Idle bar plug
  186. new OS Wankel
  187. Getting an OS10FP head
  188. FS-120 Surpass III Engine w/Pump - tank location and plumbing
  189. Excessive fuel from crankcase vent
  190. OS Timing FS 61 Surpass
  191. Need Help... Stressed out...
  192. MOVED: Fuji43EI RF Interference
  193. Piston color
  194. 120AX & 160FX Noise Levels?
  195. MOVED: O.S. 91 Surpass prop and Sig Hog Bipe
  196. ENGINE TROUBLES
  197. OS FS 120 in a Giant Big Stik?
  198. 1.60 twin pressure taps help??
  199. O.S. 18 TZ-TX problems
  200. Needle valve for O.S. FS-120S-E Surpass
  201. O.S. 1.20 AX muffler
  202. need advice for 1.60 gemini twin exhaust ext
  203. OS FP .40
  204. OS .50 SX Break-in
  205. Header and Tuned Pipe
  206. Sticky carb slide on OS .21 VG on Losi 8 buggy
  207. Play on rebuilt vspec
  208. OS 20 piston and cylinder
  209. OS 200 FS & GP Giant Aeromaster
  210. stuck engines
  211. Need Pullstart or Roto Start... help ?
  212. o.s .18tm rebuild help
  213. os 46fxi
  214. OS 30 VG pull to roto start.
  215. Need advice on backplate pressure tap for 160FX
  216. break-in props for 91&1.20 fs's?
  217. resetting mixture screw on OS 91 surpass
  218. o.s30vg max.. temp info please...
  219. OS 1.20
  220. new o.s .18tm
  221. FS-91 surpass (I) manual
  222. used .46 ax with tuned pipe
  223. O.S. 18. CVR-X carb leak?
  224. Will the .18TZ fit !?
  225. OS 91 power
  226. .46 FXi vs .46 FX?
  227. OS 91 with pump Regulator leaking
  228. 06 mc
  229. OS 1.08 inconsistant running ?
  230. OS Engine for HPI RS4 EVO3
  231. OS 61 FX Question
  232. Need to extend my Bisson muffler tubes
  233. Fitting and OS50SX
  234. OS 91 FS w/pump bogging down!
  235. FS-70 rebuild??
  236. o.s. o.b. break in
  237. FL70 Backfire problem HELP?? please???
  238. 25VF-DF on Viper Q-500
  239. OS Nipple Mounting
  240. marine 4-strokes?
  241. 180 header for the OS 18TZ -TX
  242. OS 120AX
  243. OS 55AX carb problem
  244. OS 52 and 70 surpass
  245. Fuel line size
  246. 91 surpass II lsn
  247. 18x6 prop for os 1.60??
  248. OS 91FX
  249. Can you Identify my OS120?
  250. 91 Surpass Bearings

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