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  1. OA 120fs S3/pump vs 160 Twin's Power..
  2. OS 120 Surpass II Pump spitting fuel
  3. Recommended Air Filter OS 18 TM
  4. OS 160 trouble
  5. .12 TZ 5 port
  6. Original OS FS-120 short shaft
  7. os .12cv-r
  8. OS .049?
  9. Engine Mounts
  10. OS 50 Hyper
  11. 120 ax prop
  12. best pipe for os 18 cvrx (side) on a ntc3
  13. 120 ax
  14. FS 91 Surpass III pumped tank vent line
  15. OS SF .61
  16. 55ax and Bisson Pitts muffler problem
  17. Ideal rpm for OS 52 Surpass and OS 70 Surpass
  18. OS 55 AX mid range problem
  19. Lost my muffler threads
  20. #7L Carb parts
  21. new os 18 cvrx on ntc3 wont shift..pls help
  22. FS-120 Surpass II HS won't adjust
  23. OS 70 ultimate Help Needed!
  24. .21 VG
  25. os 200 fi
  26. V-Spec
  27. 160FX-FI brake in?
  28. OS 55AX carb
  29. OS FS-91 Surpass smoking at low rpm
  30. Need help !! os140RX engine just won run
  31. HELP !!!!!!!! OS 91SII 4 STROKE PROPLEM
  32. 40la
  33. OS 50 SX carburettor exchange
  34. two cover 120 timing
  35. OS 50 SX fuel bubbles
  36. OS .50 heli ask: (after a galon )
  37. 50 Hyper Warranty Question
  38. Can not start .46 LA
  39. what is the best tuned pipe set?
  40. Twin Cyl. Temp. Difference
  41. Flow Direction? OS Check Valve
  42. Spare parts for OS 91VR-DF
  43. Very short glow plug life....
  44. OS Engines .21 VG
  45. OS 18TZ Head Temperature
  46. OS 70 Ultimate Owners Manual
  47. OS 18TZ T in RC 10 GT
  48. onboard glow plug ingniter
  49. OS .46 FX plating problem?
  50. 46 fx
  51. head shims on .18TM
  52. 46 AX carb issue
  53. Need exhaust part. max.21rf-b
  54. Glow plug question
  55. roller bearing (one-way bearing) problem
  56. what glow plug/fuel combo for v-spec
  57. 55AX and prop
  58. OS 50 sx flaming out
  59. .70 Surpass Prop and RPM
  60. GBX tuned muffler?
  61. os 18tz eb modified
  62. os 120 surpass hs-needle
  63. inconsistent RPMs
  64. O.S. 12TZ-T Rotary Carb?
  65. OS 50SX-H Nitro Question
  66. OS .55 Muffler Extension - Tower .46 Muff
  67. os 70 surpass vs os 61 fx fuel consumption
  68. la65 help
  69. OS 70 Surpass Removing conrod
  70. OS Max .40 fp
  71. Ft300 timing
  72. O.S. 1.20FS Engine Question
  73. GP kit spinners bad for our OS engines?
  74. OS 46 AX mid range stumble
  75. v-spec
  76. OS 46 SF abc - P
  77. os 91 fs surpass pumped
  78. Magnum #2 in OS 160 FX
  79. OS .21 VG ShimmingThank
  80. Leaky Carb in OS 18 TZ?
  81. .21 V-Spec Dust Cover ripped, dirt present. Best way to clean?
  82. OS .46SF pump carb
  83. OS 1.20 FS Surpass
  84. 91 FSR Carb Linkage
  85. OS .91 surpass II w/Pumps leaks at regulator
  86. Need a prop for OS 25FX
  87. Rear bearing wont stay in place
  88. Os Fsa-56
  89. 91 non pumped 4 stroke
  90. os 91 fs surpass pumped
  91. Os 18tm
  92. 91 fs power output
  93. OS FS-91 SII-P
  94. OS .55AX problem
  95. New O.S. Surpass III Pumped questions.
  96. OS 91FX High Speed Needle Valve
  97. O.S. 1.20AX Dead stick problems
  98. New to RC - Need help with FXi 46 Mixture Control Valve
  99. OS91FX Trouble shutting down
  100. Can I Install a Pull-Start on an O.S. .18-CV-R???
  101. Muffler Compatibility - 25FP vs 25LA
  102. OS46VXDF
  103. I saw the OS .75 AX ringed engine
  104. OS Surpass II with a Pump
  105. Connecting rod
  106. model weight for 91FX
  107. FP40 feels strange when crank turned
  108. MOVED: New OS FSa-56 4 stroke
  109. OS 300 Twin
  110. Are O.S. Engine parts made in China?
  111. 91 surpass needle settings needed
  112. Os fs 40cx car
  113. os 120 ax prop and fuel recommendations
  114. dtx 18 and os 15 cv
  115. OS55 prop reccomendations
  116. O.S. 70 Surpass valve adjustment??
  117. How about a Factory Support Forum for GMS engines?
  118. OS 46 AX...Runs with needle valve closed !
  119. OS 50 Hyper Help?????
  120. os fs 52s
  121. New OS 61fx and MACs Tuned pipe
  122. .21 Vspec break in.. No, first time starting...?
  123. what glow plug on .18 ostm?? is os# 8 ok?
  124. Tuned Pipe for the O.S. 18TZ
  125. OS FS 70 ll surpass...black guey stuff
  126. .15 cv-r
  127. os 120 surpass aluminum motor mount
  128. OS FS 48 Surpass
  129. Idle trouble on my OS 12TR w/10J carb.
  130. OS .60 fgr questions
  131. OS 120 Surpass III
  132. OS FS 70 Surpass 11
  133. OS 30VG Compression ?
  134. Header and Pipe Combo
  135. OS 30 run in
  136. O.S. 18TZ-TX versus O.S. .18 CVR-M
  137. COOLPOWER SUPER T FUEL
  138. RECOMMENDED TEMPERATURES OS46 AX
  139. os 12 cv-r settings
  140. What's the best fuel for my OS 160FX?
  141. OS91FX mixture setting
  142. .52 muffler woes
  143. muffler swap
  144. Was told to repost this here in case someone can help. OS AX .46
  145. Hobby Services
  146. os 91 fs pumped is muffler needed ?
  147. Carb sticking at about 1/2 throttle
  148. OS 120 AX
  149. os 120fs header fit??
  150. will it fit A JATO
  151. VZB Vspec 21
  152. DTX .18
  153. OS 120 Am After Market Pitss
  154. SZ91H-PS head shim question
  155. OS Wankel Overheating
  156. OS 30vg and 30%
  157. OS .46fxi seems tight after setting
  158. OS .18 question
  159. OS 1.08 FSR 1.08
  160. 60L vs 60B
  161. os 35 question
  162. OS VR DF 91 with tuned pipe and prop option
  163. OS fs 40 four stroke
  164. dtx .18
  165. Traxxas "ez start" spinning on my os 18
  166. .46 and .55AX Help
  167. OS120AX
  168. fs 70 surpass
  169. BGX Start problem upside-dow
  170. Need new crankshaft for 160FX - taken care of
  171. OS Engines .21 VG
  172. OS .91FX
  173. OS46V Rear Exhaust
  174. OS FX 91 sputters on high end
  175. FS120 III Exhaust
  176. OS 300 Twin
  177. problem: 4 stroke mounting
  178. Heat cycle break-in???
  179. Quits at idle after removing glow charger - OS 70 Surpass II
  180. Running In an OS37SZ-H
  181. OS VSpec Pipe designations
  182. 30% Heli fuel in OS 46FX?
  183. OS 91 DF ?? what fuel????
  184. OS .55AX needle valve.
  185. FS 120 III Surpass - False firewall
  186. FS = OS is Tamiya FS an OS
  187. OS 91 Pumped problems
  188. .18 TZ question I'm a little confused...
  189. excesive fuel
  190. Idle bar plug
  191. new OS Wankel
  192. Getting an OS10FP head
  193. FS-120 Surpass III Engine w/Pump - tank location and plumbing
  194. Excessive fuel from crankcase vent
  195. OS Timing FS 61 Surpass
  196. Need Help... Stressed out...
  197. MOVED: Fuji43EI RF Interference
  198. Piston color
  199. 120AX & 160FX Noise Levels?
  200. MOVED: O.S. 91 Surpass prop and Sig Hog Bipe
  201. ENGINE TROUBLES
  202. OS FS 120 in a Giant Big Stik?
  203. 1.60 twin pressure taps help??
  204. O.S. 18 TZ-TX problems
  205. Needle valve for O.S. FS-120S-E Surpass
  206. O.S. 1.20 AX muffler
  207. need advice for 1.60 gemini twin exhaust ext
  208. OS FP .40
  209. OS .50 SX Break-in
  210. Header and Tuned Pipe
  211. Sticky carb slide on OS .21 VG on Losi 8 buggy
  212. Play on rebuilt vspec
  213. OS 20 piston and cylinder
  214. OS 200 FS & GP Giant Aeromaster
  215. stuck engines
  216. Need Pullstart or Roto Start... help ?
  217. o.s .18tm rebuild help
  218. os 46fxi
  219. OS 30 VG pull to roto start.
  220. Need advice on backplate pressure tap for 160FX
  221. break-in props for 91&1.20 fs's?
  222. resetting mixture screw on OS 91 surpass
  223. o.s30vg max.. temp info please...
  224. OS 1.20
  225. new o.s .18tm
  226. FS-91 surpass (I) manual
  227. used .46 ax with tuned pipe
  228. O.S. 18. CVR-X carb leak?
  229. Will the .18TZ fit !?
  230. OS 91 power
  231. .46 FXi vs .46 FX?
  232. OS 91 with pump Regulator leaking
  233. 06 mc
  234. OS 1.08 inconsistant running ?
  235. OS Engine for HPI RS4 EVO3
  236. OS 61 FX Question
  237. Need to extend my Bisson muffler tubes
  238. Fitting and OS50SX
  239. OS 91 FS w/pump bogging down!
  240. FS-70 rebuild??
  241. o.s. o.b. break in
  242. FL70 Backfire problem HELP?? please???
  243. 25VF-DF on Viper Q-500
  244. OS Nipple Mounting
  245. marine 4-strokes?
  246. 180 header for the OS 18TZ -TX
  247. OS 120AX
  248. OS 55AX carb problem
  249. OS 52 and 70 surpass
  250. Fuel line size

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