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  1. YS 91 AC-H
  2. Metal dust.
  3. 140 Sport: Can that setup be right?
  4. 1.40L RPMs?
  5. YS91FZ Question
  6. 91 ac props for pattern
  7. fuel question
  8. YS 63FZ on 15% CoolPower Heli?
  9. YS F-120 Valve Clearance
  10. YS63 pump settings
  11. what is ok to use as storage or after run oil?
  12. DZ 1.60 Quitting
  13. YS91 FZ transition and idle problems
  14. YS 63 Application prospects
  15. YS 140 Problems
  16. YS .61AR
  17. YS 120 SF props
  18. Fuel Consumption
  19. Checking Pressure
  20. YS 63FZ question
  21. YS Glow Plug substitute
  22. Is 18x6 to big for 120 FZ?
  23. YS 63 questions
  24. 110 quitting
  25. YS 45 Stripped Glow Plug Threads
  26. Trouble with my 1.10
  27. a few questions on the ys .61 long stroke
  28. Cool power 30%, 30L or Magna
  29. Well Dave... Murphy caught up to me!
  30. What is the thread size on YS 120 FZ?
  31. Early F-120, Power missing ?
  32. YS 120 SF
  33. Cooling
  34. YS 110 - RUN IN ??
  35. DZ Fuel Question
  36. FZ 91 proble
  37. 120 SF regulator
  38. YS 140L and glow plugs
  39. YS 110 Muffler Replacement
  40. Can my 91FZ be repaired?
  41. YS F-120 Needle Valve Assy
  42. Large fuel line for 110?
  43. Fuel mileage problem with YS 140DZ
  44. YS 110 or YS 140 Sport
  45. YS F-120 NC NIB
  46. mejzlik prop on 120?
  47. YS 140 Sport Won'T Idel
  48. 110 muffler
  49. Eureka !!!
  50. YS160DZ loads up in vert
  51. YS 110 for repair
  52. Fuel line and fittings
  53. DZ 140 quitting problem
  54. YS-110 settings problems
  55. YS 110, Size of cowl cutouts for cooling?
  56. Ys 110 Very hard to start
  57. My first fly w old YS 120 SF
  58. YS140 Sport starting
  59. Exaust Header
  60. YS FZ-63S Idle RPM 2500RPM or 2000RPM?
  61. 91AC Backplate Gasket
  62. YS63 Running Lean
  63. ys 110 fz availability
  64. YS 91ST sagging in idleup
  65. YS 61
  66. YS 110 Propeller nut
  67. 91 FZ needle settings
  68. YS63FZs Silencer Failure
  69. Adjusting the YS 91AC
  70. DZ pump problem ?
  71. regulator question...on the 1.10
  72. YS FZ 110 Fuel
  73. Best Pipe for YS140FZ
  74. YS120 props
  75. YS FZ-140S Idle
  76. YS160 New NRV
  77. Electric starter or by hand?
  78. Byron Heli 30% VS CoolPover Heli 30%
  79. 160DZ Question - Throttle response
  80. YS 80 SURGING
  81. Feeler gauge
  82. Please Help!! New YS 1.40 leaking
  83. 91 prop
  84. YS 120 Problem
  85. YS Diaphragm
  86. YS 140DZ Idle
  87. ys 110 midrange
  88. 140dz stops
  89. Ys 10fz prop?
  90. ys .61 st heli engine quits running
  91. YS 160 prop for 3d
  92. Valve spring set for ys 120f
  93. FZ110 setup questions
  94. YS 1.10 Muffler coming loose
  95. YS 1.40 sport VS 1.40 DZ
  96. How fast is fast idle on a YS 91AC
  97. FZ110 availabililty
  98. Supercharging
  99. YS.Futaba 53FZ Problems
  100. YS low speed needle valve position?
  101. YS63 - air bubbles in the fuel feed line
  102. Y.S. Fatuba 60 FS engine
  103. 140dz quick prop question
  104. I need a 91fz muffler
  105. YS 91AC problem
  106. 140dz compression problem
  107. YS 63 FZ idle - changes from full to empty tank
  108. thread size for 110
  109. 110 adjustments?
  110. Low Iddle adjustment
  111. Needle Valve Setting YS .91AC
  112. Ys 140dz need a little help
  113. YS 120 problems
  114. Ys 110 not available till August?
  115. YS 110 Regulator & Plunger
  116. Request: YS 45 rear exhaust dimensions / documentation
  117. Do I need a new needle valve?
  118. YS fuel system question
  119. Running the DZ....
  120. I need help in getting my YS-91 to run correctly.
  121. YS 110 - Transition Adjustment rich or lean
  122. ys regulator diaphram
  123. DZ140 crash
  124. .63 High Speed Needle Extension...
  125. YS .63 FZ- bottom end problems
  126. Ys110 Plug probs!
  127. symptom..and cure
  128. Problems with 140L
  129. Confused about fuel
  130. lots of dark oil from my YS110 YS110
  131. YS Mount rubber delamination
  132. size fuel tubing for 1.10?
  133. DZ Part Replacement Help
  134. settings and adjustment for a YS 53
  135. 120-SC
  136. Regarding sent in 91fz
  137. YS120-SF manual needed
  138. YS45 Noise
  139. YSYS F-120
  140. Spinner for YS 63FZ
  141. YS 110 low rpm
  142. comparing the 140DZ and 160DZ
  143. Needle Settings needed please
  144. Torque for tightening down bolts
  145. YS 110 loading up in air
  146. YS 91 AC, impossible to tune, always rich
  147. fuel coming through the carburator.
  148. fuel coming through the carburator
  149. fuel line woes
  150. ys 53 bubbles
  151. YS .63 surging 1/4 throttle
  152. 160DZ , first start problem
  153. ys 140 sport and ys 140-2
  154. YS 110FZ and Edge 540T
  155. 110 v.s. 140s real world fuel consumption
  156. HP rating for the .61 long rod 2 stroke ?
  157. 140L With Black Gaskets??
  158. Props for YS53
  159. prop size for break in on 1.10?
  160. 140L regulator
  161. Timing Question 6 vs 12...does it matter?
  162. YS 110 Engines shipping?
  163. carburator air filter ys 110
  164. YS110 new. From Italy. wich fuel-help
  165. Straight pipe for exhaust on YS .53FZ
  166. YS f-120 better than os 120 pump?
  167. 110 set-up changes 5000' to 1000' altitude
  168. ys 110 problem, huge problem
  169. YS 110 Mounting
  170. YS 110 surging problem
  171. YS 91 FZ 4-stroke Engine Vs YS F 91-AC 4-stroke
  172. Magnum 30% heli fuel and YS engines
  173. YS 45 Regulator - same care as 63?
  174. Ys 110 help
  175. Ys 63 FZ fuel regulator
  176. 160DZ with Venturi Restrictor?
  177. Will it be 110 heaven or.......?
  178. YS 140DZ
  179. Two 63S in a VQ P-38
  180. 91AC muffler
  181. Curtis Youngblood Performance 30 Heli Mix: OK for FZ and DZ?
  182. Seating the Ring on YS63fz
  183. YS 110 will not idle, maintains 8000 RPM
  184. sf 120 i think
  185. Mid range surge/YS 110 FZ
  186. CP heli 30% VS Byron YS 20%
  187. .91 Fuel burn
  188. YS63 Nose Up Dies?
  189. YS 63FZs Crash
  190. ys sf 120 parts
  191. YS63 loss of RPM
  192. YS 110 max RPM
  193. YS 110 no low throttle response
  194. YS venturis
  195. Which cycle to adjust tappet clearance ?
  196. Bad Fuel
  197. ys 120 sf
  198. ys 120
  199. YS 110 Dead Stick
  200. YS 140s intake valve?
  201. YS 61 rear exhaust set-up?
  202. YS63S question
  203. Where to send ys 1.10 for repairs?
  204. bent push rods for 110
  205. YS 120-FZ start up advice.
  206. Fuel economy comparison
  207. 120 sf
  208. power/torque curve for 140DZ
  209. YS 110 half muffler
  210. YS 120SF Help!!
  211. YS stock Muffler for YS 140 Sport?
  212. YS 120FZ
  213. engine mount for 1.10 and .63 ?
  214. YS110FZ, won't run
  215. ?? Tunedpipe for a YS .61 Long
  216. Cool Power red oil
  217. New YS63S break in?
  218. What fuel and plugs with YS63S?
  219. 160DZ HP rating
  220. Dave...you've got a customer for life..
  221. YS 160 Dingo
  222. YS 53
  223. YS 120SF Muffler Header Thread Size?
  224. YS 110FZ RPM?
  225. Question about RPM and a YS 2-stroke
  226. YS .61S Short Stroke
  227. 63FZ
  228. Thanks Dave!!
  229. Ys F-120 manual required and advice
  230. My YS 110's Idle Screw Is All The Way In
  231. Delivery Status
  232. YS 110 recently serviced, still won't idle
  233. YS experts need help
  234. YS 160 sport????
  235. YS 63?
  236. YS 110 leaning shortly after takeoff...
  237. YS 110 Low idle Problem
  238. YS .61 Heli for airplane?
  239. YS 120 SF
  240. ys 63
  241. ys110 or ys120??
  242. Crashed plane...what to do for YS63?
  243. YS 110 as a pusher
  244. Dave Shadel out from 2/23 to 3/2/05
  245. YS 140 Question
  246. All YS 4 strokes "supercharged"?
  247. YS 120's
  248. Y.S. 120 f fuel lines
  249. Ys 45 2-stoke.
  250. ys .60 2 stroke