View Full Version : General Q & A
- Engine builder references
- 1996 252 7.4l lx mpi sea water pump
- water passing through on hose engine off
- Balancing water flow
- Ethanol/Non Ethanol Fuel
- Color of drive oil bottle wires for the alarm
- Vibration
- Help with power trim
- Engine rpm low, help a rookie out please!
- Water in Bilge
- moldy 5200, how to clean
- no start on 1998 7.4 mpi
- engine alignment
- O₂ Readings: Naturally vs. Super Charged
- HELP - auto mechanic PLEASE
- 1987 26 scarab excel front air vent
- Beehive Valve Springs
- Gasoline expansion in fuel tank
- Ok, so how many of you guys are running automotive carbs, be truthful.
- 305 carburetor
- Puzzled by compression readings
- temp sending unit
- Need a tow from st clair race
- String has a little localized rot, what to do? Video inside.
- 454 Carb vs. 454 MPI
- Shifting a fuel injected motor
- 20 or 22 rake prop
- Changing pitch on Bravo?
- Question on rebuilding a 502
- 525 EFI Injector Removal Tips??
- Ran Lean
- Sea Pump Belt Sqeals
- Bravo 1 x
- Engine Alarms into Intercom
- Proper way to mount bolster seats through fiberglass floor?
- Prop sice for 29ft Scarab.
- 7.4 lx mpi stall no restart
- Any info on this boat? 1979 7 meter Martini
- Running Warm ??
- Input on Advantage boats
- Mercury 6.2 MX hard to start
- livorsi bezel fell off
- HP difference 454 vs 502 all else being same?
- 454 mag change to 502
- HP 500 EFI Motors for Sale???
- HP 500 EFI...Problems....HELP!
- daytona speed loss at altitude
- Needs some help 675SCI outlaw
- 454 bravo 1 overheating...really stumped! :-(
- Complete bravo package, good price ?
- upgrade????
- block differences
- 525 SC Motors what are they worth /
- Best spot for Fuel Vent
- Will adding Quick & Quiet to a muffled transom exhaust help with flow?
- Acceptable Oil Consumption
- Cyclone mufflers
- Boat stalls immediately after start
- stock gen 5 fuel pump mercruiser !!
- Prop help!
- 500 EFI anyone bypass/replace cool fuel?
- Cam question
- 502 mag mpi valve seats
- merc. tech help on 6.2 timing
- Hose Size
- V-6 to v-8 swap
- Alternative for Merc pressure relief valve?
- Changing from efi to carb and vice versa
- Mercury 525 Issue Engine Shutting Down
- 5 Blade Vs. 4 Blade Stern Lift..??? How Much We Talking??
- Engine just lost power 454 mag.
- port needs more throttle then Starboard on take off?
- HP 500EFI Loss of Power
- How much pressure with a pre-oiler and cordless drill? (Is my relief valve stuck?)
- Bravo 1 prop nut size?
- 454 Mag MPI runs rough
- 25 daytona speed?
- 6.2MPI exhaust manifold dripping
- 9 and 10 pin plugs
- 575SCI backfires, need help!
- 460 Ford in a baja?
- 500efi running poorly
- Pressure gauge help/drive help
- livorsi water temp gauge sending unit?
- Trim tab manual adjustment?
- Lifting engines from boat
- SBC oil leaks. Gasket recommendations?
- No Thermastat..?
- Possible electrical issue, help sorting?
- Imco shorty
- Bravo One Lower Unit Mod??
- Need Help: Alternator seized and leaving tomorrow (496)
- Bolsters
- Need engine coupler
- crankcase ventalation setup
- small block prop/carb testing
- oil droplets in exhaust
- No power anywhere, even with jumper cables
- Intake Manifolds, Question
- Fuel problem help
- Hydraulic assist bleeding
- 500 efi vapor locking???
- Formula 272 Driveline help
- 1996 mercruiser 7.4 mpi efi wont go past 2200 rpm
- Stock Merc exhaust
- Which spark plug for 496 Mag?
- 350 cu in merc efi's
- 1989 454 wot seems low...port runs higher than starboard
- 496 bbc afr heads new need help
- 1995 7.4 mpi efe mercuriser , bravo three
- 502 efi issues please help w/ suggestions?
- Engine rotation
- 30 amp shore power question
- 496HO wiring harness rubbing on computer bracket.
- anyone ever supercharged a 20.5 Cougar ? thinking about it
- Intermediate working tach
- American custom marine
- FORMULA 382 Fastech vs 330 or 370SS
- What's up with my 502 fueling?
- Prop Repair and tuning-Need recommendations
- main breaker popping
- Bow dropping at high speeds
- What shuts off the electric fuel pump?
- Easy 496 knock sensor question
- 454 bored and stroked to 508 cu in????
- 496 crank sensor
- 330 hp timing? 7.4 bravo 1
- Back in the Market!?!
- Replacing oil pressure relief valve
- 1990 BW rage 14 steering question
- 496HO issue - won't rev past 3,400 rpms
- blown up again (extension box)
- 4 INCH play in my steering
- What sea strainer for single 525 efi ?
- Does anyone have any info on the year by year changes on the Mercruiser 454?
- need help.just bought 03 carrera 59hrs 29 effect x cat
- Anti siphon valve in hose barb for fuel tank
- oil pressure
- Seawater pump/mechanical fuel pump cam problem
- 454 Mag. getting hot, HELP
- supercharger question
- 496 ho issue with leak and vacuum pump winterize
- Yellow stained bottem hull help?
- No More Reversion
- Fuel issues? Please help going crazy
- Hard Start Problem
- Anyone know what part number for a 509 head gasket?
- 1471 vs W305R SERIES
- Belt noise
- removing arp assembly lube from fibreglass??
- Starting a 7.4 mpi from long storage
- Who has Gotten Ripped Off by Kidapache??
- has anybody rebuilt their steering rams
- Not sure how?
- Uneven temps, at my wits end!
- #6 drives
- Water getting in my crank case... am I doomed???
- Way too slow (formula 41)
- Hidden HIN Location???
- Ah Ha moment,,,,
- rt930 torbo Artie
- Setting base timing
- Has it been done before?
- I need an oil temp sender and is this a good location?loactin
- Elevator Boat lifts?? 16k and 20K... are they any good???
- 2001 496 ho port manifold is hotter then starboard
- Gap specs?
- I need some help guys my motor is not cooperating
- 454 Mag Overheating - Help!
- Stock Exhaust Baffles
- Wix Racing Oil Filter Diff? *57003R vs 51222R*
- Mufflers
- Marine electronics preservation tactics
- 91 fountain fever diesel motor?
- HP500 Exhaust.
- 496 Oil Pressure Sending Unit
- new combo oil/p.s. cooler hose question
- surface drives are they worth it?
- Heads up drive indicators
- help with upgrade boat or not
- Faria fuel gauge or sending unit question
- Water in cylinders
- 454MAG MPI 5v reference?
- Fuel pump wont go on with key, have to flip on courtesy lights
- Kenwood Stereo and Remote Compatibility
- Water in oil
- Diesel for corrosion
- Milky oil, 7.4 Merc
- Occasional pop while running
- BORING! One hole?
- Prop change engine stalls
- Which boat to buy
- full hyd hoses failing
- Merc. 496 mag HO two beep alarm
- Does anyone have original Hawk 575hp specs?
- Merc Verado Oil Filters
- Crossover with restrictors
- Not enough oil for a rocker arm...
- 525EFI Intake Manifold Gasket
- Do Roller rocker arms lower oil temperature?
- MerCruiser Bravo1 new style?
- bbc 2 & 3 and 4 & 7 firing order swap?
- 500 efi distributor
- Baja 272 454 EFI RPM issues
- hour meter stoped working?
- 502 Mag Mpi (re)Build - Mild Cam Upgrade
- Raysoncraft 26' cat?
- Best Boat For Speed -Search of new Boat
- Spark Plug Gap for HP500?
- water line size
- Flex plate/flywheel
- head gasket/condensation or I'm gonna hang myself
- Starter or battery issues?
- Installing mech gauges on 575sci's at engine...
- cutting edge props..is anyone running them?
- Engine alarm constantly
- Bravo one to XR advice needed
- Timing covers
- Newly Rebuilt 502 EFI rpm race from 2000 to 3500
- bravo bellhousing problem
- Tilt helm on a older style non-tilt helm..
- Marine Aire Won't Prime
- Garmin fuel flow sensor vs SmartCraft/MercMonitor vs ???
- 540 build underway......help appreciated.
- electrical gremlin in my 96 502 scarab 26ft
- Tach stuck Loose connection ?
- superchargered 502 mag leaking oil into intake
- 2000 H2X with 7.4 mpi issues
- Installing Shore Pwr/Bat charger in Center Console
- 454 mag. breaking up at higher RPM
- Donzi Stereo Advice
- 496 Fuel Pressure Regulator
- EFI tuning question
- Help w/454 Gen VI
- Thunderbolt Tests
- B&M 250 issue
- Stainless Steel exhaust tips
- Performance Exhaust
- 540 or supercharge ths 454?
- Difference in shift cable adjustment tool
- Temperamental 454MAG w/wipple
- Hey guys I need some advice on some work I had done on my boat
- MEFI programming for altitude???
- Question about Mefi1 (linked)
- 454 mpi cuts out under load
- Knock sensor code
- Need 86 Pachanga 22 parts! Where?
- Searched for Answer About Starter Issue and Didn't find my Same Issue
- 496 Mag HO intermittent missing
- searching and searching