View Full Version : O.S. Engines Support



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  1. OS .50 heli ask: (after a galon )
  2. 50 Hyper Warranty Question
  3. Can not start .46 LA
  4. what is the best tuned pipe set?
  5. Twin Cyl. Temp. Difference
  6. Flow Direction? OS Check Valve
  7. Spare parts for OS 91VR-DF
  8. Very short glow plug life....
  9. OS Engines .21 VG
  10. OS 18TZ Head Temperature
  11. OS 70 Ultimate Owners Manual
  12. OS 18TZ T in RC 10 GT
  13. onboard glow plug ingniter
  14. OS .46 FX plating problem?
  15. 46 fx
  16. head shims on .18TM
  17. 46 AX carb issue
  18. Need exhaust part. max.21rf-b
  19. Glow plug question
  20. roller bearing (one-way bearing) problem
  21. what glow plug/fuel combo for v-spec
  22. 55AX and prop
  23. OS 50 sx flaming out
  24. .70 Surpass Prop and RPM
  25. GBX tuned muffler?
  26. os 18tz eb modified
  27. os 120 surpass hs-needle
  28. inconsistent RPMs
  29. O.S. 12TZ-T Rotary Carb?
  30. OS 50SX-H Nitro Question
  31. OS .55 Muffler Extension - Tower .46 Muff
  32. os 70 surpass vs os 61 fx fuel consumption
  33. la65 help
  34. OS 70 Surpass Removing conrod
  35. OS Max .40 fp
  36. Ft300 timing
  37. O.S. 1.20FS Engine Question
  38. GP kit spinners bad for our OS engines?
  39. OS 46 AX mid range stumble
  40. v-spec
  41. OS 46 SF abc - P
  42. os 91 fs surpass pumped
  43. Magnum #2 in OS 160 FX
  44. OS .21 VG ShimmingThank
  45. Leaky Carb in OS 18 TZ?
  46. .21 V-Spec Dust Cover ripped, dirt present. Best way to clean?
  47. OS .46SF pump carb
  48. OS 1.20 FS Surpass
  49. 91 FSR Carb Linkage
  50. OS .91 surpass II w/Pumps leaks at regulator
  51. Need a prop for OS 25FX
  52. Rear bearing wont stay in place
  53. Os Fsa-56
  54. 91 non pumped 4 stroke
  55. os 91 fs surpass pumped
  56. Os 18tm
  57. 91 fs power output
  58. OS FS-91 SII-P
  59. OS .55AX problem
  60. New O.S. Surpass III Pumped questions.
  61. OS 91FX High Speed Needle Valve
  62. O.S. 1.20AX Dead stick problems
  63. New to RC - Need help with FXi 46 Mixture Control Valve
  64. OS91FX Trouble shutting down
  65. Can I Install a Pull-Start on an O.S. .18-CV-R???
  66. Muffler Compatibility - 25FP vs 25LA
  67. OS46VXDF
  68. I saw the OS .75 AX ringed engine
  69. OS Surpass II with a Pump
  70. Connecting rod
  71. model weight for 91FX
  72. FP40 feels strange when crank turned
  73. MOVED: New OS FSa-56 4 stroke
  74. OS 300 Twin
  75. Are O.S. Engine parts made in China?
  76. 91 surpass needle settings needed
  77. Os fs 40cx car
  78. os 120 ax prop and fuel recommendations
  79. dtx 18 and os 15 cv
  80. OS55 prop reccomendations
  81. O.S. 70 Surpass valve adjustment??
  82. How about a Factory Support Forum for GMS engines?
  83. OS 46 AX...Runs with needle valve closed !
  84. OS 50 Hyper Help?????
  85. os fs 52s
  86. New OS 61fx and MACs Tuned pipe
  87. .21 Vspec break in.. No, first time starting...?
  88. what glow plug on .18 ostm?? is os# 8 ok?
  89. Tuned Pipe for the O.S. 18TZ
  90. OS FS 70 ll surpass...black guey stuff
  91. .15 cv-r
  92. os 120 surpass aluminum motor mount
  93. OS FS 48 Surpass
  94. Idle trouble on my OS 12TR w/10J carb.
  95. OS .60 fgr questions
  96. OS 120 Surpass III
  97. OS FS 70 Surpass 11
  98. OS 30VG Compression ?
  99. Header and Pipe Combo
  100. OS 30 run in
  101. O.S. 18TZ-TX versus O.S. .18 CVR-M
  102. COOLPOWER SUPER T FUEL
  103. RECOMMENDED TEMPERATURES OS46 AX
  104. os 12 cv-r settings
  105. What's the best fuel for my OS 160FX?
  106. OS91FX mixture setting
  107. .52 muffler woes
  108. muffler swap
  109. Was told to repost this here in case someone can help. OS AX .46
  110. Hobby Services
  111. os 91 fs pumped is muffler needed ?
  112. Carb sticking at about 1/2 throttle
  113. OS 120 AX
  114. os 120fs header fit??
  115. will it fit A JATO
  116. VZB Vspec 21
  117. DTX .18
  118. OS 120 Am After Market Pitss
  119. SZ91H-PS head shim question
  120. OS Wankel Overheating
  121. OS 30vg and 30%
  122. OS .46fxi seems tight after setting
  123. OS .18 question
  124. OS 1.08 FSR 1.08
  125. 60L vs 60B
  126. os 35 question
  127. OS VR DF 91 with tuned pipe and prop option
  128. OS fs 40 four stroke
  129. dtx .18
  130. Traxxas "ez start" spinning on my os 18
  131. .46 and .55AX Help
  132. OS120AX
  133. fs 70 surpass
  134. BGX Start problem upside-dow
  135. Need new crankshaft for 160FX - taken care of
  136. OS Engines .21 VG
  137. OS .91FX
  138. OS46V Rear Exhaust
  139. OS FX 91 sputters on high end
  140. FS120 III Exhaust
  141. OS 300 Twin
  142. problem: 4 stroke mounting
  143. Heat cycle break-in???
  144. Quits at idle after removing glow charger - OS 70 Surpass II
  145. Running In an OS37SZ-H
  146. OS VSpec Pipe designations
  147. 30% Heli fuel in OS 46FX?
  148. OS 91 DF ?? what fuel????
  149. OS .55AX needle valve.
  150. FS 120 III Surpass - False firewall
  151. FS = OS is Tamiya FS an OS
  152. OS 91 Pumped problems
  153. .18 TZ question I'm a little confused...
  154. excesive fuel
  155. Idle bar plug
  156. new OS Wankel
  157. Getting an OS10FP head
  158. FS-120 Surpass III Engine w/Pump - tank location and plumbing
  159. Excessive fuel from crankcase vent
  160. OS Timing FS 61 Surpass
  161. Need Help... Stressed out...
  162. MOVED: Fuji43EI RF Interference
  163. Piston color
  164. 120AX & 160FX Noise Levels?
  165. MOVED: O.S. 91 Surpass prop and Sig Hog Bipe
  166. ENGINE TROUBLES
  167. OS FS 120 in a Giant Big Stik?
  168. 1.60 twin pressure taps help??
  169. O.S. 18 TZ-TX problems
  170. Needle valve for O.S. FS-120S-E Surpass
  171. O.S. 1.20 AX muffler
  172. need advice for 1.60 gemini twin exhaust ext
  173. OS FP .40
  174. OS .50 SX Break-in
  175. Header and Tuned Pipe
  176. Sticky carb slide on OS .21 VG on Losi 8 buggy
  177. Play on rebuilt vspec
  178. OS 20 piston and cylinder
  179. OS 200 FS & GP Giant Aeromaster
  180. stuck engines
  181. Need Pullstart or Roto Start... help ?
  182. o.s .18tm rebuild help
  183. os 46fxi
  184. OS 30 VG pull to roto start.
  185. Need advice on backplate pressure tap for 160FX
  186. break-in props for 91&1.20 fs's?
  187. resetting mixture screw on OS 91 surpass
  188. o.s30vg max.. temp info please...
  189. OS 1.20
  190. new o.s .18tm
  191. FS-91 surpass (I) manual
  192. used .46 ax with tuned pipe
  193. O.S. 18. CVR-X carb leak?
  194. Will the .18TZ fit !?
  195. OS 91 power
  196. .46 FXi vs .46 FX?
  197. OS 91 with pump Regulator leaking
  198. 06 mc
  199. OS 1.08 inconsistant running ?
  200. OS Engine for HPI RS4 EVO3
  201. OS 61 FX Question
  202. Need to extend my Bisson muffler tubes
  203. Fitting and OS50SX
  204. OS 91 FS w/pump bogging down!
  205. FS-70 rebuild??
  206. o.s. o.b. break in
  207. FL70 Backfire problem HELP?? please???
  208. 25VF-DF on Viper Q-500
  209. OS Nipple Mounting
  210. marine 4-strokes?
  211. 180 header for the OS 18TZ -TX
  212. OS 120AX
  213. OS 55AX carb problem
  214. OS 52 and 70 surpass
  215. Fuel line size
  216. 91 surpass II lsn
  217. 18x6 prop for os 1.60??
  218. OS 91FX
  219. Can you Identify my OS120?
  220. 91 Surpass Bearings
  221. OS 91 4 stroke
  222. OS 160 Fx
  223. os. 18 tz won't start
  224. Tuned Pipe Confusion...Please Help~
  225. MOVED: 15LA
  226. OS 61FX
  227. Useful OS engine site
  228. What does the number on the muffler really mean?
  229. starter?
  230. OS91FX on tune pipe
  231. OS 46 AX won't turn over freely
  232. why dis-continue the cvr.12?
  233. 21vg, 30% nitro head shim
  234. OS 46 VXDF (or OS 46 VX-M) question
  235. OS BGX 3500
  236. Mid-range rattle ?
  237. OS 55 Ax Exhaust again
  238. OS 55 AX
  239. os .18 cvr crankcase stripping head bolts
  240. FS120-II with pump not consistent
  241. Header for 30 sized OS
  242. OS FS 70 Ultimate
  243. fs 40, seems to knock
  244. OS 18TM
  245. OS 91-FS Surpass 1 high speed needle overflow
  246. OS Instruction Manual Confusion
  247. osmg1992 crankcase pn#
  248. Broken Pressure Tap
  249. O.S. 160FX 3 bladed prop question.
  250. 1.60 FX in a Spitfire

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