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  1. 115hp 1994 yamaha mods to 130hp challenges (3 replies)
  2. OMC Tech Evinrude V8 flywheel question (8 replies)
  3. Mercury Tech Trim Gauge setup (1 replies)
  4. Promax FI to carbs. (9 replies)
  5. OMC Tech Sneezy/backfire at idle doesn't like to idle (4 replies)
  6. Mercury Tech Bob's mods (3 replies)
  7. Johnson j50plssm overheat alarm and stall (10 replies)
  8. Mercury Tech 2.5L Fishing motor hot heads carburetor setup (15 replies)
  9. 300xs misfire? (4 replies)
  10. What water pump base is this? 2.5 2001 150 lower (1 replies)
  11. 2.5 exhaust plate plumbing question (2 replies)
  12. Mercury 1/2 v6 sst70 (1 replies)
  13. Mercury Tech Mobile Mercury Tech with digital diagnostic tester for 300X/3.0 EFI (0 replies)
  14. 01 300x- Livorsi temp gauge (6 replies)
  15. 1988 Mercury 200 Outboard Overheating at high RPMs (8 replies)
  16. 94 Mercury 225 enrichner (8 replies)
  17. water pump question (18 replies)
  18. 300xs Coils (2 replies)
  19. 2.5 timing settings off from other motors (21 replies)
  20. helicoiled head bolts (3 replies)
  21. 1996 Johnson 225 new stator and powerpack and hot light stays on (3 replies)
  22. 2001 on a 2006? (2 replies)
  23. Running out of fuel (6 replies)
  24. Water Diverter ? (22 replies)
  25. Wmv carbs & jetting (26 replies)
  26. Egt probes on yamaha v6? (0 replies)
  27. 1985 2L 150 wot timing (1 replies)
  28. Torquing 300xs powerhead bolts (4 replies)
  29. Optimax compatibility (1 replies)
  30. broken propshaft !!?? (9 replies)
  31. carb ? (5 replies)
  32. 280 Surging (2 replies)
  33. Mercury Tech Looking for the firing order 1975 Merc 1500 xs (3 replies)
  34. Rev limiter carb motor? (4 replies)
  35. Battery that will work on a 300xs that isn't ridiculously heavy (21 replies)
  36. Help with con. rod (12 replies)
  37. 1.87 sportmaster gears (1 replies)
  38. What to do (2 replies)
  39. 2.4 mercury won't fire injectors (6 replies)
  40. Mercury Tech 2.5l f1 rod bolt number? (1 replies)
  41. Yamaha Tech 1998 prov200 (1 replies)
  42. electric fuel pump opinions (9 replies)
  43. Stator questions, 9 amp vs 40 (13 replies)
  44. Merc 15in 260 clamp/swivel refurb??? (6 replies)
  45. Fishing prop shaft bearing carrier (11 replies)
  46. OMC Tech REED Question 1995 Intruder 150 (7 replies)
  47. Mercury Tech A 1972 Tower of Power 1150 basket case project (89 replies)
  48. Mercury Tech 2002 mercury125 ELPTO cooling question (0 replies)
  49. What is this hole or pin? Top edge of sleeve at gasket surface- 2.5 150 2001 (31 replies)
  50. Mercury Tech 90 merc 4 stroke 2015 water pressure (0 replies)
  51. Misfire? (6 replies)
  52. Mercury outboard grease points.......... (0 replies)
  53. Rumble sound coming from the front of the i/o shaft (5 replies)
  54. Mercury Tech Steel bore 2.5 rings (1 replies)
  55. Mercury Tech Missing parts on 86 xr2? (1 replies)
  56. Gauge Replacement and Purchasing (9 replies)
  57. Livorsi RPM recall not working (0 replies)
  58. Mercury Tech 1986 150hp v6 xr2 alarm issues (30 replies)
  59. Mercury 2.5 exhaust tuners (5 replies)
  60. mercury 280 parts to stock up on (0 replies)
  61. Mercury Tech Portable Tach Question (8 replies)
  62. Mercury 280 not spinning up (4 replies)
  63. In control cables (2 replies)
  64. Mercury power pack (3 replies)
  65. Mercury Tech 300xs running rough low rpm's (3 replies)
  66. Engine Height Experts Please Check In (6 replies)
  67. OX66 Powerhead swap, 225Vmax to a 250 Saltwater Series (0 replies)
  68. Mercury Tech Para-Lift issue (0 replies)
  69. 300x problem. (5 replies)
  70. 2.4 200 air box question. (3 replies)
  71. Hottest cylinder on Johnson V8 (2 replies)
  72. Sportmaster housing repair needed. Who to contact? (35 replies)
  73. Mercury Tech Will 200 drive shaft fit sportmaster (11 replies)
  74. Weight of a Carbed 3.0L V6 merc. how bad ?? (2 replies)
  75. Mercury Tech 250xs trim questions (0 replies)
  76. Yamaha 60 2-stroke reeds and? (5 replies)
  77. Yamaha Tech OX 66 200 to 250 hp upgrade (2 replies)
  78. 300xs on standard 3.0 liter opti mid (3 replies)
  79. Morse steering removal (0 replies)
  80. 14 x 26 Ballistic on OMC Fast Strike 150????? (2 replies)
  81. Machinging 2.5 Mercury Heads (5 replies)
  82. Sportmaster on an OMC Shift linkage Pics... (8 replies)
  83. Mercury Tech Freshly Rebuilt 2.5 150 alarm please help (8 replies)
  84. How can I get more HP (3 replies)
  85. Help! Rookie question (18 replies)
  86. More hp (5 replies)
  87. More hp (0 replies)
  88. More hp (0 replies)
  89. Were standard 2.5 gearcases available on the Mercury 225 Promax series of motors? (15 replies)
  90. Compression difference between right and left banks on 225 Promax (10 replies)
  91. wmh back draft vent what does it do ? (8 replies)
  92. fuel usage question (5 replies)
  93. 200 EFI oil injection gear stripped = block off or tear down. (8 replies)
  94. Gss tank(s) Thru-hull fittings leaking. Cougar 21 MTR (6 replies)
  95. Bleed hoses back to tank ? (3 replies)
  96. heads compression (8 replies)
  97. Mercury Tech Post-carb-rebuild disappointment (Merc 30 HP 4 stroke) (0 replies)
  98. merc question: 280, miss and tach erratic reading (1 replies)
  99. timing advance box (0 replies)
  100. Mercury 200 efi no fuel to the cyliders (9 replies)
  101. Mercury 200 efi no fuel to the cyliders (16 replies)
  102. '96 Merc 200 EFI Screwy Tach (0 replies)
  103. 2 X 250 merc EFI 1999 - pushing 31' Fontain mid 50s - does that sound right? (6 replies)
  104. Mercury Tech Powerhead gasket kits? (3 replies)
  105. Mercury Tech blackhawk outdrive (4 replies)
  106. Mercury Tech Mercury problem (4 replies)
  107. OMC Tech What carbs are these? (2 replies)
  108. 250 or 300XS measurement request (8 replies)
  109. 2.4 efi lost 1500 rpm (2 replies)
  110. Mercury Tech Merc gear case backlash indicator (6 replies)
  111. 3.0L 225 Carb - Stumped.... (7 replies)
  112. 225 opti-max (4 replies)
  113. 1979 Evinrude 150 tilt and trim issues (5 replies)
  114. ** Posting and Embedding Videos ** (0 replies)
  115. 92 evinrude help (4 replies)
  116. Prop Vibration Issue (4 replies)
  117. OMC Tech Need some guidance on a 75 Johnson (1 replies)
  118. OMC Tech air bleed johnson v8 300gt info please help !!!! (6 replies)
  119. 300xs water pressure issue (5 replies)
  120. 300xs water pressure issue (0 replies)
  121. OMC Tech rejetting GT150 (1 replies)
  122. bridgeport compression (1 replies)
  123. 16 Foot Allison (2 replies)
  124. 1983 Mercury 115 6 cylinder 2-stroke fuel pressure (6 replies)
  125. Mercury Tech Put a Sportsmaster on a Hose with a Muff! (11 replies)
  126. Will an s tip ngk work for inplace of n tip? (1 replies)
  127. Holley Red (3 replies)
  128. Mercury 260hp EGT readings (1 replies)
  129. 2.4 200 efi head cc? (0 replies)
  130. Mercury Tech 2.5 EFI Trigger Issue (1 replies)
  131. Mercury Tech Wiring 16amp System With Late 5 Wire Rec/Reg (21 replies)
  132. Sportmaster driveshaft options (6 replies)
  133. OMC Tech Pulled my plugs and.... (15 replies)
  134. Help identify Merc block by serial number (11 replies)
  135. T stat hoses (8 replies)
  136. 2.5 lt - been real hot- Block ruined? (5 replies)
  137. Drag or 280 (15 replies)
  138. In line idle stablizer- Keep it or take it off? (1 replies)
  139. 2.4 carb linkage... (8 replies)
  140. 3 liter TorqMaster (0 replies)
  141. 300 promax question (12 replies)
  142. OMC Tech V8 alarm full story help!!! (13 replies)
  143. Melted stator om 1996 Johnson 225 is timing check needed? (2 replies)
  144. ECU Repair (3 replies)
  145. Oldschool Suzuki Techs , 1999 Suzuki Dt 225 2 stroke ,,, (1 replies)
  146. Plug Wire Recommendations (2 replies)
  147. 300xs mid section "Broke" (15 replies)
  148. 95 mercury 3 litre burning propshaft seal (17 replies)
  149. 1991 2.5 merc carb (3 replies)
  150. injector cleaner (4 replies)
  151. Lost a blade on my 3 blade Mercury Lightning ET and ...... (24 replies)
  152. 260 can't kill it (12 replies)
  153. Mercury top vs. bottom guided piston question (9 replies)
  154. To much oil in fuel- VRO (15 replies)
  155. OMC Tech Looper primary compression (57 replies)
  156. Exhaust port match to adaptor plate (3 replies)
  157. How do I eliminate Rev Limiter on 1997 Evinrude 115? (3 replies)
  158. Jack plate mechanical trim indicator cable info needed (0 replies)
  159. Optimax Question please help.... (7 replies)
  160. Stripped jet stuck in carb, now what? (8 replies)
  161. Evinrude mid section help??? (0 replies)
  162. I need help on these 1999 dt 225 efis (8 replies)
  163. Optimax break in mode - how long does the oil pump run? (3 replies)
  164. bridgeport laying down (1 replies)
  165. 1989 175hp mercury missing (12 replies)
  166. 2.5 200 needs a little more hp, what can I do? (18 replies)
  167. Mercury Tech Mercury 1988 XR4 Spark Plug Wires (0 replies)
  168. Question About Set-up With Dual Pro-Poles on a Bullet (4 replies)
  169. 1981 2.4 225 mercury question (4 replies)
  170. 1991 mercury 2.5l efi running issue (4 replies)
  171. Mercury Tech Mercury 300XS multiple lower unit failures (8 replies)
  172. Can someone please tell me if this is a 20 or 25 inch shaft???? (3 replies)
  173. Johnson Gear Ratio (Options) (1 replies)
  174. Merc blue 500efi and bravo one (1 replies)
  175. Adjustable fuel pressure for a 300X? (27 replies)
  176. Smartcraft Gauges (NMEA 0183) Antenna Wiring Question (2 replies)
  177. Is this sleeve seperating from block? see pics in link (7 replies)
  178. Water Temperature HOT!! HELP!!! (0 replies)
  179. Water (8 replies)
  180. Porous 2.5 block??? (2 replies)
  181. Late 2 litre engines (3 replies)
  182. Merc 2.5L 260 (43 replies)
  183. Poppet Valve (2 replies)
  184. WMV Carb Jetting specs for 2003 200 (2 replies)
  185. Merc 3.0L V6 dual water pick lower unit. (6 replies)
  186. Is my mercury an oddball? (2 replies)
  187. 2.5 280 help (2 replies)
  188. Mercury Tech mercury marine dva meter (0 replies)
  189. Vacuum line on ecu (3 replies)
  190. OMC Tech Looper starter issues (and compression q) (3 replies)
  191. Mercury Tech Loud noise, stopped running, locked up... (14 replies)
  192. Prop specs? (0 replies)
  193. 3.0l 250 xb. performance (0 replies)
  194. Johnson 200 xp model year (4 replies)
  195. Mercury 115hp inline six port map/ power port dimensions (33 replies)
  196. Johnson 200 Venom performance issues. (5 replies)
  197. deck height difference sst60 v stock block (0 replies)
  198. Merc 2.5L 200hp cooling problem? (6 replies)
  199. Mercury Tech 15" or 20" mid question (2 replies)
  200. 300xs No Start (3 replies)
  201. Mercury 2.5 280 NGK Plug Update (0 replies)
  202. V8 lower unit broke shaft (13 replies)
  203. Tach question (1 replies)
  204. Someone got a picture of the water Diverters in a 2.5 Drag Block? (1 replies)
  205. OMC Tech rebuilt looper problems (11 replies)
  206. Help ID This Twin Steering (5 replies)
  207. 1997 Mercury mariner 2.5 200hp V6 problem (35 replies)
  208. Quick fix for lower screens (8 replies)
  209. Merc fuel pump 2.5 cube - plastic disc or rubber disc to the inside (0 replies)
  210. Oem poppit block-off cover (1 replies)
  211. Mercury Tech 94' 150 XR6 Hot/Very Warm @ Idle (5 replies)
  212. Merc 2.4 200 problems (4 replies)
  213. Oil Injection Removal Question........ (0 replies)
  214. Mercury Tech suggestions on getting a 2.4 carb motor to turn up? please (6 replies)
  215. Help - merc optimax 150 compressor - how to remove end cap? (9 replies)
  216. Head gasket thickness (10 replies)
  217. OMC Tech C vs D jets (11 replies)
  218. Merc shift bracket engine end promax (1 replies)
  219. OMC Tech Lightning Gearcase L1 vs L2 (5 replies)
  220. OMC Tech Omc 60* carb running rough (1 replies)
  221. 2005 225 optimax (5 replies)
  222. OMC Tech perfmarine1 (1 replies)
  223. Opinions on a broken L/U bolt... (19 replies)
  224. 1991 mercury 2.5l efi (72 replies)
  225. Mercury Tech 2.5 / 280 Air Temperature Sensor wire question? (3 replies)
  226. broken propshaft sports master (10 replies)
  227. Changing lower unit on Merc 60 command thrust (17 replies)
  228. Prop Shaft Bearing Surface rebuilding (13 replies)
  229. can't decide (0 replies)
  230. Mercury Tech Need gears installed in CLE (3 replies)
  231. Honing Evin cylinders, (2 replies)
  232. Mercury Tech Exhaust temperature (0 replies)
  233. 2.5 200 merc. Staying in guardian (19 replies)
  234. 87 Mercury Black Max 200hp (6 replies)
  235. Mercury Tech 2.4 fuel rail (1 replies)
  236. 1990 Ranger 393V bass boat with 89 Johnson gt 200 surges and has no throttle response (5 replies)
  237. 1989 140 hp evinrude wont reach wot (9 replies)
  238. 2006 150HP Optimax Oil Injection Question (3 replies)
  239. mercury 225 down on power (2 replies)
  240. need more wot rpm (2 replies)
  241. Suzuki DT150 Help Please (0 replies)
  242. thread on OMC control cable (0 replies)
  243. what do i got going on here? (22 replies)
  244. Mercury Tech 2.4 one peice adapter (14 replies)
  245. Primary Pickup Screw Initial Setting (1 replies)
  246. How to wire regulator for 16amp (2 replies)
  247. OMC Tech pulsing from carb (6 replies)
  248. Mercury Tech 2001 225 Efi (0 replies)
  249. OMC Tech V8 LU on a V6? (3 replies)
  250. OMC Tech Hey Bulldogdaddy! (0 replies)