View Full Version : General Q & A




  1. bravo 1 hesitation into gear??
  2. looking for tommymonza!
  3. 454 Magnum Spark Plugs? Top choice??
  4. 502 pumps out oil?
  5. Header repair
  6. no compression?
  7. Cracked plugs?? Why do they crack? Best plug for 454 Magnum??
  8. Remanufactured Merc 383 Stroker
  9. Formula 302 windshields, need suggestions!!
  10. 496 HO need help
  11. ITS Trim sender to a old analog gauge
  12. 525 EFI problem
  13. gen6 502 camshaft problems
  14. New bobtail Volvo
  15. 2005 Volvo Penta XDP carbon fiber outdrive removal
  16. Tachs dead?
  17. Raw Water Pump
  18. Ilmor 7-10 temp ?
  19. Will these heads work??
  20. 496 mag flywheel and crank seals
  21. Bleeding air out of steering system.
  22. Need help figuring out water diagram w new headers
  23. 1997 HP 500 octane reqt
  24. 496 Sea Pump Water Pressure
  25. NOS Blackhawk value
  26. In a bind with Trailer Trim
  27. operating @ wot????
  28. 7.4 MPI very sluggish
  29. Newbies questions
  30. 496 HO Electrical problems
  31. what oil to run in motor
  32. When heim joints go bad...????
  33. 320 efi
  34. 78 excalibur 454
  35. 31ft predator cat!! good deal?
  36. need assistance on a part for trim tab indicator please
  37. Number Of Hours Required?
  38. New Borla mufflers??
  39. Looking for a flame arrestor 454 or 502 MPI
  40. bravo cooling hose at gimbal
  41. warm motor boggs down...............
  42. engine hatch actuator help!!!!!
  43. 31ft predator cat. whats it worth?
  44. Stereo install
  45. what else to replace???
  46. 500 EFI Headers
  47. twin 300xs with different fuel burn?!?
  48. Does anyone make a pressure relief valve besides Mercruiser?
  49. 290 volvo hydralic steering add on kits
  50. 502 Mpi- Raise Idle ?
  51. Trim Tab Question..
  52. Exhaust Help
  53. 502 Mpi - Raise Idle ??
  54. One Motor Revs Higher When Trying to Plane
  55. 496 HO hours
  56. What Year was the last year for the 575?
  57. shift lever question
  58. stuck in gear
  59. Need a new cam
  60. motor cutting off
  61. Fuel Guage Pulse!
  62. 496 HO popping at 4000 rpms
  63. Weird Over-rev Issue
  64. 95 502 mpi cold start problem
  65. Wellcraft Nova
  66. 496 mag antifreeze leak
  67. Newbie questions - performance
  68. Carbs spitting while throttling up
  69. Coil Wiring? Thunder Bolt IV
  70. The most beatin into the ground question -- 500EFI Valve Springs
  71. 525SC tuning for 6K feet
  72. Alternate Alternator?
  73. 320 efi heads
  74. engine rebuilder
  75. Thunderbolt gear
  76. 330 454, heads shot, whats options?
  77. transom exhaust cut out Q
  78. Eliminator Daytona 24 handling
  79. Speedo quit working
  80. Hatch Lift Relay
  81. Fuel Pump Problems
  82. Oil Temp Sender Location
  83. Need to set valves and timing
  84. 502 MPI Tach Issue
  85. Engine will not start 525 sc
  86. 496mag repair
  87. need tach help
  88. Scratch Built - wiring Thunderbolt ignitions
  89. Ideas for a boat cover on a non conventional boat shape.
  90. Bolster Supports
  91. throttle plates, intake manifold are coated with a brown /tar/molassis
  92. Swim Ladders
  93. Backfire In Rough Water
  94. Headgasket thickness, how much is too thick?
  95. cavataion plate to bottom of boat distance?
  96. Cant get RPM out of a 454, 330hp
  97. CPProp Mode Switch High
  98. dart iron eagle heads vs merc heads
  99. Pro Charger Carb
  100. Which Marine AC to get?
  101. Testing fuel pressure on 6.2 MPI
  102. Nose Cones
  103. starboard 496 sluggish
  104. Bimini for 32 Foutain
  105. 502 mpi rebuild (used search/beat to death also)have some ???? lso) o
  106. SBC with a Wieand 142 blower ?
  107. Sound like vapor lock / water in tank / fuel pump?? - 6.2 MPI - Help...
  108. Oil pressure dropped!!!
  109. Best Floating Boat Lift
  110. GPS problem
  111. Strange Smartcraft issue
  112. thermostat change-out help needed!!
  113. Biggest cam/ Stainless Marine Std risers
  114. low water pressure fail
  115. Who has the best deals on flame arrestors??
  116. CMI hedder
  117. Cam information
  118. Bravo drive lube leak?
  119. 496HO....what oil
  120. 2009 Baja Outlaw versus 2010 Checkmate 375zt
  121. Bad relay base??
  122. Vibration While Trimming Down
  123. Can I use clamp on mufflers on my dry exhaust?
  124. Headers and reversion
  125. Stereo
  126. 496ho Water Drain Actuator
  127. Need help finding a new boat...
  128. ecm tuning
  129. Throttle handles
  130. Best place for impeller kit?
  131. Rinker Captiva 262 SS performance ???
  132. rusted plugs
  133. 502mpi questions
  134. trim guage problems
  135. 496 water impellar
  136. how much of a pressure should there be when inserting a gimbel alignment tool
  137. 496 is DEAD!!
  138. 454 Mag
  139. vortech supercharged 502 timing ?
  140. 500 efi intake porting
  141. thermostat help needed!!!
  142. Swivel shaft Specs
  143. Vacuum Pump
  144. Hours till oil change?
  145. Donzi Questions
  146. Carb issues
  147. Major Motor Problems
  148. 496 MAG died, crank sensor?
  149. rochester carb on a performer intake Q
  150. Help...Removing an aftermarket nose cone from a Bravo
  151. change from thru hull to drive water pick-up, speed ?
  152. rejet carb after emi thunder install?
  153. Coupler-does anyone besides Merc make these?
  154. GPS antenna battery
  155. max hp Mark IV bowtie block
  156. Stainless Marine Riser Help
  157. Cant get u-joint cups to go in!!
  158. Alternative Speedo Input??
  159. Patriot Alu heads on SBC
  160. Volvo Duoprop to Bravo 3 Question
  161. What all would take out a coupler?
  162. GPS battery
  163. Interior cleaning
  164. Trim tab selection
  165. *****Intake manifold question*********
  166. Sea Water Pump rebuild question
  167. 454 oval or rec port heads
  168. Trs Gimbals
  169. Ignition timing retards
  170. 454 heads
  171. install amp in engine bay compartment???
  172. 496 HO water leakage mystery
  173. Newbie need prop size help!
  174. How far out would you trim a 32 fever
  175. Wht is this??
  176. rings did not seat
  177. Adjusting Throttles ??
  178. Props
  179. New boat, flush questions
  180. Fuel Pump/Fuel Problem
  181. Envision 3200 XS questions
  182. water in Valve cover and Cylinder #1
  183. Need help with an alpha I gen II drive
  184. motor stays running with key off
  185. 454 Build up
  186. milk and reversion
  187. power steering
  188. Popping out the exhaust
  189. fuel pump(s) for 1000/1200hp...help.
  190. Tach Wiring Question
  191. Gauges help needed
  192. oil temp sending unit on Fountain
  193. motor running rough threw code cam sensor fail
  194. What Color is your Drive Oil
  195. Radio issue...
  196. Dextron III in a Velvet Drive...?
  197. 350 Mag Services Manual
  198. New 489 Blown Head Gasket After 2 hrs run time
  199. Blown Head Gasket After 2 hrs run time
  200. how much to build a 496 stroker?
  201. Fuel Regulator Placement??
  202. Any Landscapers around, got a trimmer related question?
  203. 496 MAG HO heating problem
  204. Fuse for accesory power outlet plug
  205. push button shift on Merc trans
  206. how do i post pics
  207. Temperature problem with 454mpi
  208. Can You Convert A 1994 502 Magnum To Carb?
  209. Problem 496 MAG HO with whipple
  210. computer/ecu no good? 502 mag. help please!!
  211. Erratic oil pressure above 4300RPM
  212. stuck engine hatch on 32 fountain fever
  213. New bilge pump not working
  214. Outboard stalls after hot restart
  215. Drive Oil Analysis Lab
  216. GPS question
  217. Ballast Tank Question
  218. Fire Extinguisher ?
  219. 1994 502 Magnum Runing On 4 Cylinders
  220. holley electric fuel pumps
  221. Which HP500 intake gaskets
  222. bad vibration when turning or with the drive tucked in all the way?
  223. Livorsi Speedo quit
  224. Trim tab Indicator
  225. purchacing dry exhaust
  226. New engine tuning
  227. trim limit help please
  228. quicksilver shifter ?
  229. Merc 502... Can I just use a truck starter or is it not the same?
  230. Lake Cumberland
  231. Water pressure guage on closed cooling 525
  232. Gaffrig tach calibration
  233. anode question
  234. Bunk Carpet
  235. Gel coat supplier
  236. Thunderbolt ignition tach wire.
  237. Mufflers for Dry Exhaust
  238. Fuel Pressure Problems
  239. What should fuel pressure be?
  240. Is there an adapter to put 5" hose on a 4" tailpipe?
  241. Timing on a supercharged small block
  242. Bennett trim tab help please
  243. Wema fuel level sender trouble
  244. valve lash
  245. Problem with my 454 Please Help
  246. 91 Octane or 93 Octane w/ Ethanol?
  247. drive swap info
  248. 496ho high idle? please help
  249. Question???
  250. Running lights/Blower causing boat to run like crap
  251. Anyone have troubles with Morel hydraulics?
  252. 575sci with intercooler and 871 upgrade
  253. JL 770 question
  254. pwr strng pump
  255. Motor Surging
  256. Low Compression #4 and #6
  257. Average build time for engine?
  258. Rebuild 502 or repower with 525
  259. MSD Distibutor HELP!!!
  260. More from a 350 mag
  261. Painting my Imco Extension Boxes.....
  262. Old dried up fuel tanks
  263. engine RPM with 25 mirage plus
  264. Need a part description & where to find?
  265. Timing help
  266. gen 6 502's what are they worth/trade
  267. can't get over 3000 rpms on starboard motor
  268. Fuel additive...yay or nay???
  269. timming jumping all over
  270. zero effort shifter cable installation
  271. engine help
  272. 6.2 bearing failures
  273. 454 mpi ps pump
  274. 496 alam every minute
  275. question about drives and lower units
  276. One engine down on RPM at wot
  277. Mercruiser Slow Acceleration Only
  278. Battery Draining
  279. what oilpan for 383 stroker, stock is hitting !!
  280. how much hp 454
  281. Mercury 600sc stalls when shifting imco sc drive
  282. Power Steering turns left, but very hard to turn right??
  283. Best Method for Charging Batteries?
  284. Water Pressure Guage Doesn't Work?
  285. Fuel fill line
  286. Boat pulling to left
  287. xr cavatation plates
  288. 525 vs 496- How many Hours until rebuild?
  289. Fuel Problems. what am i looking at?
  290. Cut filter, have questions
  291. Livorsi Speedo, Garmin antenna
  292. Loss of power/engine coughs then dies
  293. New 525 efi overheating
  294. need muffler
  295. anyone know where to get brass freeze plugs for a 502 ?
  296. engine parts
  297. 598 thoughts please
  298. alternator wiring help
  299. 525 EFI plug fouling
  300. Where to START! Breaker keeps flipping OFF
  301. rooster tail
  302. Timing Issues
  303. trims wont work seperatly
  304. Thanks again RAYLAR
  305. white sludge / film underside valve covers
  306. Holly Carbs New Models
  307. Looking for 2000 Wellcraft Excalibur Windshield
  308. Have you ever had to adjust the camber on your trailer axles?
  309. Pcv sizes
  310. Help! Sneezing and popping coming on to plane.
  311. scanner and workshop manuals
  312. Ignition timing
  313. oil cooler pluming
  314. cut back risers?
  315. Need ideas on how to mount wind deflectors
  316. Trim Tabs drawing power when idle
  317. Timing a Thunderbolt ignition question.
  318. Gps
  319. Mercury systemview trim indicator function
  320. How many hours is a lot on a merc 454?
  321. Tune-up on 7.4 MAG
  322. Running Hot-Help, I need to fix this tomorrow morning!
  323. Gaffrig GPS speedo intermittantly working
  324. p/s pump fitting??
  325. 502zz cam w/ 496 manifolds
  326. 454 Mag Timing
  327. Cam question for water reversion
  328. DPX problem.
  329. How to I.D. Ignition?
  330. TB IV and msd blue box
  331. how much are these motors worth??
  332. water reversion ?
  333. Help With Gauges - Tach Works Randomly
  334. Why so many bb's vs. sb with procharger??
  335. Frozen 500efi... Now i guess i get to build a new one;-)
  336. 25 sunsation impeller change ??
  337. Charging issues
  338. How is water getting in the cylinders of my 496Mag?!?!
  339. Hydraulic hatch cover wont lift *formula boat
  340. gas gauge quit working
  341. Synthetic for an older motor?
  342. Best Oil for a Merlin long Block 540??
  343. Adding 2 stereo batteries
  344. 97 454 Mag stock oil pressure?
  345. alpha one whining
  346. powerglides with twin diesels?
  347. 575sci Intermittant RPM hesitation??
  348. Gauges ??
  349. Oil pressure gauge fluctuating above 3000rpm!!!!
  350. Broken Exhaust Valve Guide SBC
  351. Canfield stud girdles?
  352. 502mag and msd tach adapters:
  353. Stand off box, when do you use them, what size of boat?
  354. HP500 16535 Hydraulic Roller Lifters Cross Reference
  355. RPM issues
  356. oil sandwich adapter
  357. bat boost components
  358. 525SC Stock Jetting?
  359. HP500 Headers and bored over jetting change?
  360. Stock Chevy 454 Timing.
  361. replaced tbolt v with d.u.i. and cant get tach to work
  362. Reverse Rotation Engine
  363. Tb Iv - Help!!!
  364. Fuel Pump Mech. GPH ? which one
  365. 454 mag lean? need advice on what to do
  366. Boat position on the trailer and slings usage
  367. Prop Selection Help Needed
  368. Stock factory hydraulic steering arm leaking
  369. J.c. Marine,,,496 Impeller Kit
  370. prop
  371. I Need a Set of BBC AFR Heads for 598ci. Supercharge
  372. Another Holley Idle Thread - I'm at wit's end!
  373. oil temp sensor placement
  374. Missing alarm check - 496 HO
  375. Speedometer not working with IMCO
  376. 502 MPI hard start when cold
  377. 700sci IAC Fault Code
  378. Air Gap Intake Manifold
  379. How to tap 502mpi fuel rail?
  380. Can't get engine to warm up.
  381. Captain's choice wont stay open
  382. oil line size
  383. 502 -99 wich gasket?
  384. water in oil 454
  385. Constant tension hose clamps
  386. Outdrive Jacks and Stands
  387. msd problems
  388. Exhaust Diverters
  389. Oil T-stat selection and plumbing
  390. Valve guides for Mercury Racing 525 EFI
  391. X-Dimension Help
  392. 4.3 missing
  393. 496 Poppin through exhaust
  394. Blower motor
  395. 502 Ecm
  396. K K Tab Cables???
  397. Ran above 4000 rpm, overheated
  398. Scx Oil
  399. Arneson single cylinder steering
  400. What size/brand line on your box anchor?
  401. New Sarter Motor Or?
  402. batterys
  403. Any idea where these wires go
  404. Bennett Tabs?
  405. bimini top
  406. Special relay for engine hatch actuator???
  407. thermostat housing issues..
  408. Urgent!! Please Read!!
  409. 500 efi rough idle- surge
  410. fuel pressure problem ?
  411. Max HP for Stainless Marine Exhaust
  412. short block or complete???
  413. 525s vs 700
  414. Did I Undercarb my 489?
  415. Seating Capacity 87 Nova III?
  416. 525 Timing Adjustment
  417. B 1 drivr to a XR
  418. Carb/Fuel pump Help
  419. K&N VS. Gaffrig style
  420. Fuel Problem
  421. whats less room on a blower motorI am
  422. Trim Pump Dipstick??
  423. rubber flooring
  424. 502 mpi Fuel Pressure- need help
  425. Steering Helm replacement
  426. Black full cover How Hot?
  427. were to buy new cockpit cover
  428. hp 500 carb jet sizes??
  429. Steering control valve, Saginaw valve
  430. Busted Trim Tab plane
  431. 454 gen 6 H
  432. roller rockers and tall valve covers
  433. 420 Mega Blower B&M
  434. smartcraft
  435. 27 Series Deep Cycle for starting
  436. Baja 250 sport engine throttle cable question.
  437. Plug wires
  438. Converting from 502efi to 525EFI
  439. Can somebody tell me what part I need?
  440. heads? cam? small block stroker build
  441. Costs to rebuild Upper drive Bravo One X?
  442. Wire Size
  443. merc fuel cool system
  444. 525 Problems
  445. Shifter/throttle help
  446. 3X18 Oil Cooler Help
  447. 1987 Baja 240 Sport Hatch Lift
  448. k-plane mounting
  449. Priming Oil Pump
  450. Anyone heard of Xtreme Custom Boats??
  451. Any Jet Boat Techs Here?
  452. What in a Holley carb would cause a mid range miss?
  453. 525 sc Thermostat
  454. Livoris to Garmin
  455. Needed Vst Pump Asap
  456. where to be 140 Thermostat 7.4 mpi 1999
  457. Rebuilding A 525 Efi
  458. Carb size
  459. Fixed vapor lock 454mag mpi's with VST
  460. Mechanical Oil Pressure Gauge
  461. Mercury "O" ring sealant ?
  462. batterys
  463. Best Battery Setup??!!
  464. Fuel mileage 454?
  465. Gen VI 500hp
  466. Hawk 525sc oval port intake with rectangle heads
  467. 502 Mpi Problems Help!!!!!!!!
  468. HP nearly stalls when throttled back to idle
  469. Cmi Etops
  470. who makes a trans for torque 1375 hp
  471. props
  472. need help choosing prop for baja sport 250 with 450hp
  473. Feeler: Whats it worth? 1995 454MAG EFI 120hrs Complete
  474. steering wheel out of center
  475. Holly Marine fuel pumps.
  476. 7.4 Liter vs 6.2 Stroker Rebuild - Need Advice!
  477. Idle adjustment
  478. Baja 240 rpm question
  479. teach me about tunnel tabs...
  480. Help with Merc 5.0 cooling issue
  481. 496 HO Oil in coolant issue
  482. 496 HO Warning buzzer issue
  483. stepping The hull
  484. 825 mighty marine demon
  485. sea doo techs??
  486. K-planes
  487. 496 H.O. and Boost pump
  488. drive couplier
  489. mercruiser lower shift cable
  490. VHF Radio
  491. Exhaust Temp
  492. broken motor mount bolt
  493. engine builder or mechanic in ct
  494. temperature problems
  495. 502 MPI hard start, water temps, steam, riser temps ???
  496. hp 500 carb leaking at throttle shaft
  497. holey or bg demond
  498. holey carb gurus
  499. 525 EFI Service intervals -When and what is recommended
  500. How much water presure is to much ?