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  1. Dual EGT Project (66 replies)
  2. Simon Heads (4 replies)
  3. what to expect from 2.7 heads and 225 carbs? (2 replies)
  4. Mercury Tech Early christmas present (7 replies)
  5. Danger will robinson #4 (5 replies)
  6. ethanol, Florida, and Yamaha (241 replies)
  7. OMC 2:1 gear options (1 replies)
  8. Mercury Tech 5250 rod question (3 replies)
  9. Lightest weight outboard engine (3 replies)
  10. 300 ProMax porting question (1 replies)
  11. Where do I get a test wheel for a 200 Yamaha? (2 replies)
  12. hydraulic vs dual opposing cable steering (29 replies)
  13. Mercury Tech SST120 head spec question.... (8 replies)
  14. Broken Cable, or another lower unit problem? (7 replies)
  15. seastar steering ????? (5 replies)
  16. Mercury Tech Three ram trim tilt leak........... (5 replies)
  17. Does anyone know of a Chicago are shop with a propshaft dyno? (3 replies)
  18. Mercury Tech Driveshaft (Single Upper Bearing) fit to Sporty Question...Please read/Advise (3 replies)
  19. ignition tester... maybe? (6 replies)
  20. Interchanging propshafts (2 replies)
  21. Honda 4 Stroke 75 hp verses 90 hp 2002 ? (2 replies)
  22. Mercury Tech 225 Mercury ProMax (6 replies)
  23. Interchanging propshafts (1 replies)
  24. How many of you use automotive starting batteries? (26 replies)
  25. 20" offshore mid (1 replies)
  26. Yamaha 40/50 (3 replies)
  27. '95 Johnson 225 or '96 Yamaha 250? (7 replies)
  28. What does this serial number mean? E140TXC09G10363387 (5 replies)
  29. wiring harness adapter (0 replies)
  30. New to the hydrostream world!!!! (11 replies)
  31. Mercury Tech 3.0L S/Master Water Pump Top Seal (1 replies)
  32. Clymer vs. Seloc manuals? (42 replies)
  33. Hydraulic steering question (7 replies)
  34. OMC Tech Recirc system (2 replies)
  35. Mods to 2.5 150EFI to increase Performance (6 replies)
  36. OMC Tech Evinrude XP 200 ('88) honest opinions... (13 replies)
  37. Merc rev limiters (1 replies)
  38. Lenco tabs to system view (1 replies)
  39. MAD EFI vs. Brcato SVS. (13 replies)
  40. Mercury Tech BRP XD100 oil on a 260 (7 replies)
  41. 2002 Mercury Low Speed Stutter (0 replies)
  42. Yamaha Tech Long Rods (6 replies)
  43. scott4765 fixing block an rebuilding (9 replies)
  44. Yamaha Tech 50hp Yamaha hop-up advise (13 replies)
  45. Update on 140 Looper jets (0 replies)
  46. Mercury 240 2.5L problem... Need some fresh ideas! (10 replies)
  47. Mercury Tech What's The Difference: 300PM vs 300x (1 replies)
  48. 2.4 Bridgeport rod slots HELP (5 replies)
  49. Mercury Tech shift and throttle cable bracket (3 replies)
  50. OMC Tech Water Pressure and Temp Gauges On Looper? (2 replies)
  51. Air/Fuel Ratio Gauge (5 replies)
  52. 99 75hp mercury (2 replies)
  53. Danger will robinson #3 (7 replies)
  54. OMC Tech Pyrometer (11 replies)
  55. Mercury Tech Carbs on a 280? (13 replies)
  56. Mercury Tech Rebuild/freshen up kits? (3 replies)
  57. pc 7 For inside a motor ? (4 replies)
  58. XR6 or XR4 (6 replies)
  59. crossflow heads (0 replies)
  60. Mercury Tech 2001 30Hp Won`t stay running (6 replies)
  61. OMC Tech Electric Fuel Primer Plumbing?? (16 replies)
  62. OMC Tech Lookinf for mazco re 3 propeller (2 replies)
  63. Mercury Tech Could you use the same locking washers on a small shaft like you do for a fat shaft? (0 replies)
  64. Honing mercosil (6 replies)
  65. Mercury Tech Help with 150XR6 (28 replies)
  66. OMC carbs on a Mercury (12 replies)
  67. Mercury Tech merc bridgeport - 2 questions?? (9 replies)
  68. Merc 3L intake parts, what are they worth to me, or the market? (2 replies)
  69. Madefi Tuner for 3L - how does it compare? (2 replies)
  70. Mercury Tech Fat Shaft (9 replies)
  71. drag cut or yamaha drag (13 replies)
  72. Oil reservoir removed (2 replies)
  73. Livorsi Tach and Temp gauge problems (11 replies)
  74. Weigh The Anchor????? (8 replies)
  75. 260 will not start (17 replies)
  76. Neutral safety switch or not? (15 replies)
  77. Mercury Tech 1988 merc 150 v6 (5 replies)
  78. Mercury Tech Fire coming out the exhaust (19 replies)
  79. OMC Tech 1985 300 V8--Ignition Cuts Out -- Frustration is Rising (8 replies)
  80. 2005 mercury 115 4-stroke (1 replies)
  81. Trim gauge question. Is there a difference in OMC and Merc gauges? (2 replies)
  82. Mercury Tech how to remove rev limiter on 04 150 carb motor (5 replies)
  83. 20'' OX66 Yami?? (4 replies)
  84. 2007 250 ProXS - electrical diagram (0 replies)
  85. Mercury Tech Mercury switch box (2 replies)
  86. Mercury Tech promax compression (1 replies)
  87. pyro hook up (2 replies)
  88. 2001 vr6 200hp (8 replies)
  89. Curious about 2.4 MOD VP motor (11 replies)
  90. 50hp same as 40hp? PLEASE GIVE ME SOME INPUT :) (14 replies)
  91. Mercury Tech steel or nickasil (21 replies)
  92. Mercury Tech Stator ohms question (0 replies)
  93. Mercury Tech what year is this bp block please (7 replies)
  94. 86 Suzuki dt 55 electronics (3 replies)
  95. Sportmaster - 250HO E-Tec (20 replies)
  96. switching from omc to merc, what do I need... (22 replies)
  97. merc key harness 14885a20, 8pin or not? (4 replies)
  98. Mercury Tech 24V Trim (7 replies)
  99. 1991 sst-140 cylinderhead question (4 replies)
  100. thank you 4 the 1999 225efi help (0 replies)
  101. 150hp 2.5 Carb to a 175 2.5 Carb (11 replies)
  102. Mercury Tech Why does my drive shaft look like crap? (8 replies)
  103. KR-15 flywheel - correct colour for flex plate? (10 replies)
  104. To Promax or not to Promax (11 replies)
  105. rering a 260 (1 replies)
  106. merc tech crack in cyclinder #6 best fix (5 replies)
  107. Trim help (3 replies)
  108. Lower unit oil? 2 stoke oil? (15 replies)
  109. Is there diff versions of Merc EFI systems (3 replies)
  110. Crossover to digital box from A15 Analog on Mod U - what chip? (0 replies)
  111. cc on2.4 heads (6 replies)
  112. 2003 Mercury 200 EFI knocking badly (16 replies)
  113. Offshore trim ram repair-porosity leak (5 replies)
  114. OMC Tech V8 drveshaft stuck to powerhead (7 replies)
  115. 200 xri will not crank (5 replies)
  116. Mercury 2.5L 200hp EFI 2002 VST cleaning (4 replies)
  117. Mercury Tech 280 Merc head #s? (0 replies)
  118. Pulled my motor (0 replies)
  119. Mercury Tech Anything for the little guys??? (8 replies)
  120. Mercury Powertrim interchangeablity (v-6 to Inline six) (4 replies)
  121. Water leak at top of head (13 replies)
  122. Mercury Tech Will Alpha gears work in an outboard gear case? (13 replies)
  123. Lower unit compatibility problem. (9 replies)
  124. OMC Tech V8 Loose Flywheel Magnets (1 replies)
  125. Trim problems ??? (20 replies)
  126. Merc 150 Trim (1 replies)
  127. OMC Tech baja200merk, (3 replies)
  128. Mercury Tech 2.5 260 (2 replies)
  129. Whats the best thing or way to clean a block (24 replies)
  130. Bow Eye Came Out of Euro (10 replies)
  131. OMC Tech 200/225 (6 replies)
  132. OMC Tech How to cut hole in mid to cut drive shaft?? (3 replies)
  133. Simon motorsports alternator kit (3 replies)
  134. 225x ecu help! (5 replies)
  135. 1999 225 efi help (7 replies)
  136. Mercury Tech 3.0 Fleetmaster upgrades? (0 replies)
  137. 84 v-king, seeking advice... (13 replies)
  138. Newby oil injection question (3 replies)
  139. heads (4 replies)
  140. 15 hp yamaha (0 replies)
  141. Double Firing (0 replies)
  142. Mercury Tech 92 Bridgeport lost power, idels, but won't plane (13 replies)
  143. Outboard questions! Compression? (11 replies)
  144. 300 x fuel pressure (1 replies)
  145. Please help make my decision. (9 replies)
  146. Tunnel Extensions???? (29 replies)
  147. Cowling Mod 1995 200 XRI Foam (5 replies)
  148. Mercury motor rebuilders (21 replies)
  149. Mercury Tech Fat shaft to small shaft (2 replies)
  150. 200 Johnson assembly ???? (3 replies)
  151. Mercury Tech Merc top pinned ring questions?? (2 replies)
  152. Optimax to carb swap (2 replies)
  153. water temperature gauge (7 replies)
  154. Erratic digital tach readiings (1 replies)
  155. trim control or jack height control which is more important to you? (10 replies)
  156. Spark Plug question/ Reading Plugs (7 replies)
  157. Mercury Tech 280 regulator (2 replies)
  158. 300x sneezing at idle (6 replies)
  159. Best 280 fuel delivery set-up.. PLLLEEEASSSEE Help (11 replies)
  160. mariner60 jetting inquiry (2 replies)
  161. evinrude 300hp Help please (1 replies)
  162. early Xflow gearcase ratios (15 replies)
  163. How get 150 more power? (1 replies)
  164. 200XS Temp Problem!! (5 replies)
  165. Mercury Tech 2.5L merc (2 replies)
  166. european yamaha 300 (5 replies)
  167. Burned 2.6 (8 replies)
  168. OMC Tech Exhaust Relief - Any benefit on a GT 150 with through hub prop? (3 replies)
  169. Compliment with a Caveat (4 replies)
  170. 225 promax stock rod slots? (11 replies)
  171. Merc Parts needed (1 replies)
  172. 2.4 rebuild ?? (12 replies)
  173. Mercury Tech 2.5 water system mod question (1 replies)
  174. OMC Tech Stator problems (?) - 1990 Johnson 200 (4 replies)
  175. Mercury Tech HELP PLEASE: lower unit with low water pickup (LWP) (3 replies)
  176. V8 Gearbox's (2 replies)
  177. Which ddt harness for a 260? (3 replies)
  178. mercury tech prop-shaft seals (2 replies)
  179. carb sync procedure for merc sst-140 race engine (4 replies)
  180. MERCURY 150 XRI MODS? advice (4 replies)
  181. Advice on removing the oil injection on a mercury 150 xri (3 replies)
  182. Blow out ring... Leave em or grind em????? (5 replies)
  183. Want A little More Out of my stock 200.. (10 replies)
  184. OMC Tech Wiring Help - OMC race tach - Johnson RS V6 (1 replies)
  185. OMC Tech Midwest rebuilder OMC (17 replies)
  186. cc on heads (4 replies)
  187. Mercury Tech Quick elect question................. (9 replies)
  188. Haveing a problem with my outboard (4 replies)
  189. Wiring Diagram - 1997 225 ProMax (1 replies)
  190. Bolt torques for 1997 225 ProMax (17 replies)
  191. Any advantage to using Wiseco pistons instead of stock? (7 replies)
  192. Mercury Tech What should I know when putting early 2.5 crankshaft in prebridgeport 2.4 block ? (5 replies)
  193. 3 liter carb merc mods (10 replies)
  194. New rings in a pump gas motor, now has 170 PSI ?? (32 replies)
  195. Wiring Diagram 245 1995 Pls. (3 replies)
  196. Rev Limiter (5 replies)
  197. 2002 300X / reeds (5 replies)
  198. Mercury Tech Engine Alarm, flashing oil, and bell (27 replies)
  199. Bridgeport pistons in a standard 2.4 block ? (11 replies)
  200. Johnson tilt tube removal..... (2 replies)
  201. OMC Tech What year XP cowl is this? (1 replies)
  202. Plug wire ? (5 replies)
  203. OMC Tech Blown Pistos / Centrally loacated rebuilder (6 replies)
  204. low compression (7 replies)
  205. 150 suszuki!!! questions (2 replies)
  206. Mercury Tech Need help no Top end charge 97 Mech 2.5 (1 replies)
  207. Mercury 280 spark plug? (4 replies)
  208. Yamaha Tech yamaha 85hp and 90hp in same model year, differences? (6 replies)
  209. Anything I should consider while having powerhead off (6 replies)
  210. XR4 WH-41 Idle Jet Problem (1 replies)
  211. Gearcase Blow out question (18 replies)
  212. Mercury Tech Need help withbLivorsi analog tach and recall box (6 replies)
  213. OMC Tech 140 rude Excessive exhaust back pressure (8 replies)
  214. OMC Tech 150 Crossflow VS 150GT Crossflow (4 replies)
  215. Mercury Tech Idling at 1800 (3 replies)
  216. Where to buy a diamond hone (3 replies)
  217. part # help (3 replies)
  218. Carbon removal (pistons) (30 replies)
  219. Tune up Tohatsu 25Hp (10 replies)
  220. Mercury Tech How do I identify Mercury V6 blocks? (3 replies)
  221. Merc Trigger Boxes (2 replies)
  222. 1991 sst-140 race mercury engine (2 replies)
  223. Carb to EFI (10 replies)
  224. 97 250 merc efi saltwater, where to start..... (32 replies)
  225. Mercury Tech 98 250 Merc electrical probem (11 replies)
  226. 3.0 Cowling Bottom Plate - Cross Reference (1 replies)
  227. Mercury Tech Stator ohms (0 replies)
  228. winterizing 260 (2 replies)
  229. OMC Tech Head studs (4 replies)
  230. Mercury Tech 2.5 hp?? (3 replies)
  231. Mercury Tech What bearing carrier is considered to be heavy duty for Merc gearcase? (14 replies)
  232. Mercury Tech Help identify this ignition part (4 replies)
  233. Mercury 2.4L Idling Issues (64 replies)
  234. trimax surface drives (5 replies)
  235. Mercury serial number info. (10 replies)
  236. Smoking tell tales on260. (1 replies)
  237. Mercury Tech 1980 Mercury 200 Front half change to an 86 front half 2.4 L (33 replies)
  238. Leak Down Test HOT or COLD (6 replies)
  239. 1990 gt 200 power (9 replies)
  240. Yamaha 225 (76*) 3.1liter ox66 trim problems (2 replies)
  241. OMC exhaust mod info...... (24 replies)
  242. OMC V8 with 20in Offshore Leg. (2 replies)
  243. Mercury Tech Stator replacement (2 replies)
  244. Merc 3.0 225 '94.5 has no mid range & bogs. Merc techs are stumped. Please Help! (19 replies)
  245. OMC Tech 235 Crossflow still has intermittent fuel pressure problems at WOT - ideas/opinions?? (13 replies)
  246. Danger will robinson #2 (15 replies)
  247. Mercury Tech CLE gear ratios (2 replies)
  248. Mercury Tech mercury ecu part #s cross reference chart (6 replies)
  249. OMC lower has extra prop movement in reverse? (4 replies)
  250. 1977 hydrostream/ beeping sound (7 replies)