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  1. 2nd time here we go again clanking ticking noise after engine shut down
  2. Blue Print Motors
  3. CMI Gen X Vs. Hardin's Hurricane Lites
  4. Parts vendor? After first season, where do you shop?
  5. Engine surges when trimming drive
  6. 502 mag plug wires
  7. 4Corner idle Screws
  8. Exhaust Cutout Question
  9. Rooke Question; Hardin Bravo Sea Pump
  10. Favorite RTR Heads for SBC??
  11. Positive crankcase ventilation system
  12. Harmonic Balancer Timing Mark Moved
  13. Holley Carb Spring Loaded Needle and Seat
  14. Low Oil Temp
  15. Low water pickup flush kit
  16. Gen 3 cool fuel module (Mercruiser)
  17. Hustler 39 with outboards handling?
  18. Mercruiser 5.7 efi stalled, won't start
  19. 496ho Constant alarm until I turn it off
  20. Mercruiser 7.4 serial numbers?
  21. 700 SCI Problems
  22. Mercrusers 525's ?
  23. 4" tip internal flaps
  24. Mercury 525 EFI 502 CID
  25. Cam degree calculation questions
  26. 250 Marine blower pulleys
  27. Merctrans 2
  28. Tach shorting to ground?
  29. Bravo one with imco uppers clutch
  30. 1.8 vs 1.7 rockers
  31. Bad day for the Volvo Penta
  32. Velvet Drive Question
  33. Engine stalls stalls when put Into gear!
  34. Setting base timing on Daytona sensors boxes?
  35. mercruiser distributor cap
  36. Mercury 400R - experience & life expectancy?
  37. 454 mag backfiring won’t rev up.
  38. Merctrans 2 no forward or reverse
  39. Has anyone ever measured the water temp coming out of an intercooler?
  40. Broken starter blot/block Merc V6
  41. Fuel Pouring out of vacuum line(intake/fuel regulator)
  42. Corsa muffled tips
  43. HP 500 Low oil pressure, low water pressure, low engine temperature
  44. thunderbolt IV timing
  45. Donzi 377 scorpion timing/idle issue
  46. Ethanol Free Gas - any cons?
  47. Question about transducer install
  48. Bad oil pressure sensor on 496HO
  49. What's the fuel pressure supposed to be on a 2007 8.1 MAG?
  50. Need advice...Again. 1990 Merc 454
  51. 500 EFI ECU malfunction?
  52. Prime new mechanical fuel pump
  53. 1999 Mercruiser 7.4 gen 6 MPI gaskets
  54. Techmate Pro IAC test question
  55. Leaking exhaust on 496HOs 2005 370SS
  56. No spark with new everything Mercruiser 3.0
  57. 7.4MPI does not turn over
  58. 496 MAG intermittent shut offs problem
  59. Fel Pro Intake Gaskets - 17342 vs 1211
  60. Anyone adapt Holley EFI with the stock Magnum MPI induction system
  61. What is this Mercruiser 3.0 Wiring from coil to dist
  62. 90 fever 29 looking for washers
  63. 502 Backfires at WOT
  64. 47 Wellcraft Excalibur finally in the water, a thank you to those who helped!
  65. 496HO Grey Tach Wire
  66. Help boat got overheated , doesn’t run right ..
  67. Quadrajet carb collectors, rebuilders
  68. Upgrade to mechanical fuel pumps
  69. Demon 850 Baseline Jetting
  70. Gil sea strainer lids??
  71. Gasket seat spark plug recomendation.
  72. 502 water in oil?
  73. 900-843944 Mercury Aluminum Heads
  74. Gill Manifolds and Seaward Risers
  75. Gear Oil Leak???
  76. New motors and drives
  77. Tough decision, NEED HELP!!
  78. Serial Number help Mercruiser 5.0 or 5.7 engine?
  79. GEN VI BBC Cam Bearing Installation, Bearing 5
  80. 496MAG HO seems down on power for planing.
  81. Looking to build my 502 Mag but new to boat engines
  82. Innovate LM-2
  83. need help with cooling and correct riser gasket
  84. Cam swap
  85. Sticky?? Cam overlap degrees for marine cam selection
  86. 1999 hp 500 carb jetting
  87. Mercury 525 EFI Idle Stall Question
  88. Wideband location
  89. Slow Acceleration Mercruiser 4.3 tbi
  90. Affraid of reversion, exhaust HELP?
  91. 92' Mercruiser 7.4L Won't Idle
  92. Procharger/Vortech belts
  93. OMC 5.7 timing
  94. Specs / replacement for stock 6.2 mpi cam?
  95. 500 EFI Not Charging
  96. Catastrophic Engine failure. 454 gen 6
  97. 525 efi boat purchase. What to check on engines?
  98. Lean condition on odd Cylinders - Mercruiser HP420
  99. Merc 502 Timing Issue - any help.
  100. Breaking belts
  101. 2.5 EFI's 280hp
  102. Baja H2X or Eliminator 234v
  103. closed cooling?
  104. Low oil pressure after boat was not started for two years
  105. O2 Sensor Location
  106. 588 refresh
  107. MPI EST Distributor Timing
  108. Offshore Mount
  109. What Gen 496?
  110. Back Fire through intake
  111. gen 6 502 mpi aluminum water pumps
  112. Distributor gear for Bbc gen6?
  113. Distributor gear for Bbc gen6?
  114. Fuel Injection Help
  115. HP 500 faint engine alarm and dim warning light situation on Hustler 388
  116. Need some prop advice please...
  117. Oil pumps… draining and filling oil, priming?
  118. Merc 383 6.2 cam needed for stock ECU
  119. 7.4 mercruiser twin, one will not rev over 1000
  120. Fuel flow
  121. Target boost psi and timing numbers
  122. 525 EFI Fuel Filter Question
  123. Mercruiser 350 Mag MPI - Smaller Sea Water Pump Pulley
  124. 5 year old batteries or 29 year old alternator.
  125. ISO 525efi Fuel Filter Body
  126. External Hydraulic Steering Hoses
  127. Mercruiser 350 Mag MPI 153 Teeth Flywheel Swap
  128. Gen 4 oil bypass
  129. New to Lake Erie
  130. Intermittent trim pump/switch issue
  131. Update on Marlin 26 restore , exhaust question
  132. 496 mag exhaust manifold over temp
  133. Fault 19 over speed
  134. 2002 496 MAG port engine lags at WOT
  135. Alternator issues
  136. Help With Desired Idle Speed MEFI 1
  137. Both engines turn over , no fuel pumps .. been sitting a few months
  138. Clevite bearings upper and lower rod bearing?
  139. Merc blue 377 piston questions
  140. 525efi shutting down intermittently
  141. Dual carb supercharger to EFI conversion
  142. Calling the boat carb masters, lots of fuel still lean.
  143. LOTO Boat Mechanic
  144. 350 mags causing issues
  145. Bravo 1 bellows retaining ring problems
  146. Tall deck exhaust issues
  147. 496 HO w/ DTS momentarily engine power loss and 1 beep
  148. mercruiser distrubitor question
  149. Part Question
  150. Valve springs and lifters in and engine that sat for 6 years
  151. How much HP will Maximus prop handle?
  152. Got screwed on a boat ..Need help
  153. Fuel pump selection
  154. Rinda - Diacom pulling engine hours
  155. Scoops for Cigarette 38'
  156. Lost rpm
  157. Pair of 2007 525efi flop at same time
  158. Pair of 2007 525efi flop at same time
  159. IMCO Gimbal Torque Specs
  160. Detachable eng hatch pin
  161. 525SC fuel pressure
  162. 496 HO temp questions
  163. Fuel pickup
  164. Engine hatch actuator (acculift)
  165. 525 cam and crank sensor location
  166. 7.4 l injector question
  167. block paint
  168. 588 block pressure
  169. Oil filter Question - Since I have not seen one in a while
  170. 502 EFI to HP 500 carb constant alarm need wiring help
  171. AFR/Wide band Gauge. Analog or Digital preference?
  172. 350 MAG MPI stumbling. Need some help
  173. What kind of raw water pump is this?
  174. Fuel line and fittings
  175. Its or imco
  176. Thermostat housing video / trying to add freshwater cooling
  177. Blower rebuild
  178. 502 MPI Loud Whistle At Idle
  179. 1997 502 Mag MPI
  180. Hydraulic Steering System
  181. New rebuild 454 Gen VI L29 running hot
  182. 525 EFI Cam Position Sensor
  183. How's this engine look ?
  184. 42 Fountain water pick up locations
  185. 2005 Indmar 8.1L TAC Fault
  186. Firing Order for merc 8.1 HO
  187. What goes here? Iron duke 4cyl merc
  188. Merc 8.1l 3200rpm max?
  189. 8.1 Scanner / how to disable fuel pump
  190. Mercruiser 496 crank no start
  191. Mercury 500 EFI closed cooling
  192. Spider crap
  193. 496 mag ho oil pressure
  194. Starboard engine won’t fire
  195. Overheating alarm - Mercruiser 7.4 MPI
  196. 1995 Formula with 502 and VST
  197. 2 engines = 2 different problems
  198. 496 Mag HO RPM issue
  199. 500 EFI High Idle?
  200. Super tacky light blue grease? What is it
  201. 496 HO Ignition Coil Style
  202. 502 surging and loading up?
  203. Holley 4 barrel gaskets
  204. 1200 SCI shutting down
  205. 1990 Mercruiser 454 magnum overheating, stumped!
  206. Drain procedure 496 MAG
  207. Trim Indicator Issue
  208. Another closed cooling question.
  209. Fuel line size
  210. Water press gauge tubing
  211. Bad Boy mowers
  212. Putting my transducer puck back in
  213. 502 mpi hard start cold
  214. fuel hose?
  215. 540ci condensation and oil temps
  216. Bravo 1x top cap
  217. 2000 377 Scorpion questions! ASAP
  218. Tall Deck Rear Starter
  219. Hydraulic Steering Fluid
  220. Hard starting
  221. HP500 (Carb) oil pressure
  222. WTB clamp for Arneson Trim cable!!
  223. Sea water pump - Air Actuator Hose
  224. Hydraulic steering losing psi over 4K RPM??
  225. 454 rebuild problem. 6 psi oil pressure.
  226. ATECO Engines in IL...
  227. Cable identification
  228. 525 EFI Engine Harness Side Smartcraft Connector Short
  229. dropping K-plane
  230. Bravo-merc 525 water pressure issue
  231. need help w/ my 502 build
  232. Crossing the streams
  233. Positive idle stop-throttle linkage
  234. Need help with Vapor Lock issue
  235. New Mercury Blue Motors
  236. Deck hatch key
  237. Rear engine mount difference
  238. WPM Racing hydraulic steering parts
  239. 600/700 SCI intake heat shield
  240. 502 camshafts
  241. 380 trim tab hydro line leak
  242. Sea water inlet hose fitting, what is it?
  243. Does anyone on here have a Baja 280 Sport Fish?
  244. Blower setup Ignition timing
  245. SBF HB bolt seized and can’t remove
  246. engine mount angle
  247. Fuel Pump
  248. Fuel pickup tube
  249. Mercruiser fault code - Help
  250. 496 power steering pump