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  1. Carb sticking at about 1/2 throttle
  2. OS 120 AX
  3. os 120fs header fit??
  4. will it fit A JATO
  5. VZB Vspec 21
  6. DTX .18
  7. OS 120 Am After Market Pitss
  8. SZ91H-PS head shim question
  9. OS Wankel Overheating
  10. OS 30vg and 30%
  11. OS .46fxi seems tight after setting
  12. OS .18 question
  13. OS 1.08 FSR 1.08
  14. 60L vs 60B
  15. os 35 question
  16. OS VR DF 91 with tuned pipe and prop option
  17. OS fs 40 four stroke
  18. dtx .18
  19. Traxxas "ez start" spinning on my os 18
  20. .46 and .55AX Help
  21. OS120AX
  22. fs 70 surpass
  23. BGX Start problem upside-dow
  24. Need new crankshaft for 160FX - taken care of
  25. OS Engines .21 VG
  26. OS .91FX
  27. OS46V Rear Exhaust
  28. OS FX 91 sputters on high end
  29. FS120 III Exhaust
  30. OS 300 Twin
  31. problem: 4 stroke mounting
  32. Heat cycle break-in???
  33. Quits at idle after removing glow charger - OS 70 Surpass II
  34. Running In an OS37SZ-H
  35. OS VSpec Pipe designations
  36. 30% Heli fuel in OS 46FX?
  37. OS 91 DF ?? what fuel????
  38. OS .55AX needle valve.
  39. FS 120 III Surpass - False firewall
  40. FS = OS is Tamiya FS an OS
  41. OS 91 Pumped problems
  42. .18 TZ question I'm a little confused...
  43. excesive fuel
  44. Idle bar plug
  45. new OS Wankel
  46. Getting an OS10FP head
  47. FS-120 Surpass III Engine w/Pump - tank location and plumbing
  48. Excessive fuel from crankcase vent
  49. OS Timing FS 61 Surpass
  50. Need Help... Stressed out...
  51. MOVED: Fuji43EI RF Interference
  52. Piston color
  53. 120AX & 160FX Noise Levels?
  54. MOVED: O.S. 91 Surpass prop and Sig Hog Bipe
  55. ENGINE TROUBLES
  56. OS FS 120 in a Giant Big Stik?
  57. 1.60 twin pressure taps help??
  58. O.S. 18 TZ-TX problems
  59. Needle valve for O.S. FS-120S-E Surpass
  60. O.S. 1.20 AX muffler
  61. need advice for 1.60 gemini twin exhaust ext
  62. OS FP .40
  63. OS .50 SX Break-in
  64. Header and Tuned Pipe
  65. Sticky carb slide on OS .21 VG on Losi 8 buggy
  66. Play on rebuilt vspec
  67. OS 20 piston and cylinder
  68. OS 200 FS & GP Giant Aeromaster
  69. stuck engines
  70. Need Pullstart or Roto Start... help ?
  71. o.s .18tm rebuild help
  72. os 46fxi
  73. OS 30 VG pull to roto start.
  74. Need advice on backplate pressure tap for 160FX
  75. break-in props for 91&1.20 fs's?
  76. resetting mixture screw on OS 91 surpass
  77. o.s30vg max.. temp info please...
  78. OS 1.20
  79. new o.s .18tm
  80. FS-91 surpass (I) manual
  81. used .46 ax with tuned pipe
  82. O.S. 18. CVR-X carb leak?
  83. Will the .18TZ fit !?
  84. OS 91 power
  85. .46 FXi vs .46 FX?
  86. OS 91 with pump Regulator leaking
  87. 06 mc
  88. OS 1.08 inconsistant running ?
  89. OS Engine for HPI RS4 EVO3
  90. OS 61 FX Question
  91. Need to extend my Bisson muffler tubes
  92. Fitting and OS50SX
  93. OS 91 FS w/pump bogging down!
  94. FS-70 rebuild??
  95. o.s. o.b. break in
  96. FL70 Backfire problem HELP?? please???
  97. 25VF-DF on Viper Q-500
  98. OS Nipple Mounting
  99. marine 4-strokes?
  100. 180 header for the OS 18TZ -TX
  101. OS 120AX
  102. OS 55AX carb problem
  103. OS 52 and 70 surpass
  104. Fuel line size
  105. 91 surpass II lsn
  106. 18x6 prop for os 1.60??
  107. OS 91FX
  108. Can you Identify my OS120?
  109. 91 Surpass Bearings
  110. OS 91 4 stroke
  111. OS 160 Fx
  112. os. 18 tz won't start
  113. Tuned Pipe Confusion...Please Help~
  114. MOVED: 15LA
  115. OS 61FX
  116. Useful OS engine site
  117. What does the number on the muffler really mean?
  118. starter?
  119. OS91FX on tune pipe
  120. OS 46 AX won't turn over freely
  121. why dis-continue the cvr.12?
  122. 21vg, 30% nitro head shim
  123. OS 46 VXDF (or OS 46 VX-M) question
  124. OS BGX 3500
  125. Mid-range rattle ?
  126. OS 55 Ax Exhaust again
  127. OS 55 AX
  128. os .18 cvr crankcase stripping head bolts
  129. FS120-II with pump not consistent
  130. Header for 30 sized OS
  131. OS FS 70 Ultimate
  132. fs 40, seems to knock
  133. OS 18TM
  134. OS 91-FS Surpass 1 high speed needle overflow
  135. OS Instruction Manual Confusion
  136. osmg1992 crankcase pn#
  137. Broken Pressure Tap
  138. O.S. 160FX 3 bladed prop question.
  139. 1.60 FX in a Spitfire
  140. o.s. crankshaft
  141. OS 91 FX Question
  142. OS 61 SF peeling, fact or fiction
  143. Pull start for .12 CV-R
  144. MOVED: Aftermarket Piston, ring & cyl. liner 91Fx
  145. Help to ID OS motor
  146. OS61fx in a 46. size plane
  147. O.S. TZ-TX pull start help
  148. 3Blade Prop for OS BGX 3500
  149. Tuned exaust
  150. os .25 FX
  151. .40 LA Help.
  152. Extending the shaft of a FS120
  153. OS91FX mid range problem
  154. O. S. 1.60 FX FI
  155. OS .21 vpec question
  156. How to calculate thrust?
  157. OS FS 200 & 200FI
  158. help with parts for 91 fx
  159. 40 fs, info on ring/cylinder
  160. MOVED: Disassembly / reassembly O.S FS engine
  161. prop for 40 fs
  162. OS 61SF ABC-P
  163. 120AX
  164. OS 160FX prop
  165. 46 sf ring install
  166. O.S. FS-120 Bearings
  167. os 91 4 stroke
  168. OS 1.40 RX
  169. emp anf fuel
  170. temp anf fuel
  171. os fs 120 non surpass engine, circa 1983
  172. header / pipe for 18-cvr
  173. MOVED: GASOLINE MOTOR FOR TMAXX
  174. Hydra lock engine damage?
  175. Flexible Exhaust for OS Four Strokes
  176. Carb for 1.60FX
  177. 91 fx/ goldberg 10-300.. prop?
  178. What kind of OS .25 V engine do I have?
  179. 1.20 surpass Short Crank?
  180. OS FF240 Pegasus-Need cylinder head
  181. ODD PROBLEM 18TM
  182. Black oil residue, .46AX
  183. MOVED: Old OS 120 SF 4 Stroke parts
  184. Question about carb for 61 FX
  185. OS 120 AX cut
  186. OS vspec idling issue
  187. OS MAX 21 VZB (P) not v-spec
  188. Muffler for old PET OS 0.99?
  189. OS 15 replacement muffler
  190. .18 not getting good fuel
  191. OS61RF
  192. OS .40 FP
  193. 3-Bladed Prop for 1.60FX
  194. Running time
  195. os 18 tm
  196. MOVED: O.S. .91 FX with 14x6 ??
  197. removing bearings in 46FX?
  198. OS 18 CVRX
  199. OS AX 46
  200. Low-end needle valve factory settings for FX engines
  201. OS91 FX Inverted
  202. VZB Crankcase
  203. What OS Engine is this Exactly?
  204. OS engine for Inferno 777 WC
  205. FT-160 carb needed
  206. OS .91 II Surpass- 3-blade prop??
  207. OS .18 CVR Marine to pull-start?
  208. OWB slipping on CVR-X .15 Thoughts?
  209. OS .50 Hyper question
  210. OS 12TZ
  211. Vague instructs on prop tightening?
  212. vspec without carby inserts
  213. os 52 surpass
  214. Frustrated by lack of parts for O.S. FS-120 III
  215. OS parts that fit on Magnum engines
  216. OS91FX Problem
  217. Probs with OS 32 engine
  218. Unusual carb rotor slot wear
  219. Rear bearing stuck on crank on OS 61 FX
  220. OS FS Surpass 120 E
  221. .21 vspec problems
  222. OS .55AX 90Degree muffler adapter
  223. O.S .21 VG(P) questions
  224. 46 FX bearings ???
  225. os 18tm to bump start
  226. OS 120ax bearing replacement
  227. 120 4/C W/Pump quits when glow clip removed
  228. os 91 fs tends to die after 20-30sec idling
  229. OS 160 burning up plugs
  230. OS 91 FS
  231. 25FX problems
  232. Muffler OS50sx
  233. need 2 pushrods and covers for os90 fs
  234. Air Bubbles troubles ?
  235. OS 40 MAX LA
  236. Long or short plug OS 46 LA
  237. OS .18 CVR
  238. OS 91 Prop Size w/ large spinner
  239. Different versions of O.S. 61 Hanno
  240. OS 91 small head df
  241. OS FS-26S hard to start
  242. Muffler question OS FS-120 Surpass II pumped
  243. OS140RX
  244. Engine Cleaning
  245. 160 twin prop. size
  246. vspec problem
  247. OS RX-M Spare parts
  248. 30% Nitro- Do I Need A Head Shim?
  249. Help needed with pump on OS FS 120
  250. OS FS-200s