- Boat Pulls to the Port side
- I am bummed..Blown XR?
- 350 Mag with a 1.32 Alpha?
- 454 Overheat
- trs help
- Ive Hadit With Crane Cams
- Lightning headers on twin TRS 454s
- Run The Oil Pan Dry?
- help???
- replacement windshield???
- Help! Broke something in the drive...
- Water in carb enclosure????
- MerCruiser 575SCI Blower kits
- one more bravo steering problem to add to the pile
- OPTIMA Batteries
- Mercury HP525 break-in ?
- 7.4 efi 1998 rotor removal
- My wife freaked when she found ____ in the dishwasher.
- Mercury Thunderbolt ignition issue
- XR or Bravo Drive Temps
- Timing and Carb help
- #1 R drive vs Alpha drive
- need advice
- looking for travis w/stroker powerplay
- volvo/penta douprop ??
- question-metal spiral ring in bellows?
- Wire that supplies t bolt4 ignition power?
- Propheight twin Promax 300??
- Exhaust Manifolds- '99 502 MPI
- help 2nd motor install
- How much oil should 502's burn?
- mufflers
- Water Ingestion
- Smartcraft
- Fuel Starvation???
- How fast before blowout??
- motor problem
- K-Plane Hydraulic Pump
- Fuel Press.
- Finally ready to install
- Front pulley oil seal on B&M 250???
- Carb Base Gaskets
- Who has parts for KAAMA Drives?
- Trim Tabs, Electric or Hydraulic?
- Nose cone on bravo & speedo
- Cams for 502 MPI
- Bravo Endcap Torque
- Exhaust Silencers
- Holley jet extensions...do you need them?
- HP500 Carb ?
- sea strainer
- Looking for 6 psi of boost
- What color is your Redline drive oil?
- ??rpm
- Cam for 598" BB
- Best Prop for 24 ft. V-Bottom?
- Bravo drive seems to clunk???
- Oil filter question
- EGT sensor install Stock Merc Manifold
- Merc water-pump-mounted fuel pump
- HP500efi mods
- Help needed the whole thing quit
- Blower Cam ? regarding #'s
- Sea Pump Part Number?
- KAAMA Surface Drives, I need help
- Engine shuuting off at 175 degrees HELP!
- Help, need starter for 575sci
- Drive side to side play...
- Mercruiser Training! Am I crazy??
- King Cobra Engines / Outdrives
- thermostat/oil filter kit
- Insta Trim tabs
- 500 EFI fuel pres,regulator
- How to check Unilite dist?
- oil pressure guage flickering from normal to pinned, then back
- TRS - Drive oil leaking around inner gimbal housing
- Looks like the Exxon Valdez ran aground in my bilge!
- need part # for Merc theromstat/filter
- There's gold in them there filters!!
- egt location on stainless marine exh.
- Bravo Oil leak -outside
- Pro charger fuel psi at boost
- ITS Steering
- Insta Trim, Leaking
- Crack Head on 502
- house boat steering cable broke
- Small Block Weight
- upside down oil filters
- Engine cutting out
- What just happened to my boat?
- Bleeding drive trim cylinder?
- HELP gimbal-transom separation???
- diesel HELLLLP!!!!!!!!!!
- Circuit breaker question
- Water in oil?
- ZZ572 Crate Engine
- What is wrong with this
- Mechanical or Vaccum Secondaries??
- Oil Capacity Question
- Best place for oil temp sender.
- Fuel Pressure Regulators
- Help!---No water pressure!
- lathham steering
- best set up?
- Ford Dually front wheel bearing preload?
- Oil temp problem???Need some help.
- Stern jack question
- excessive oil pressure
- Painting lower units, gimbles and K - planes...
- Engine Miss after blown hose
- stalls shifting to foward
- Hard start when hot.
- 900sc intake spacers
- 5.7/Quadrajet
- Bleeding Bravo Trim Cylinders???
- transom removal
- gains with following mods?
- EFI VST - fuel preasure
- Exhaust Water Hotter on Starbord Pipe
- drain fill location on imco lower
- 800 cfm Holley???
- Automotive power steering fluid used for trim oil?
- Suburban Question
- I.T.S. X quikie
- ever hear of ..GM upper end cleaner ?
- Bravo Spacer ?s
- 502 to 540 ??
- Question for the prop gods
- KAAMA hydralic steering rams
- advice on drive shower
- xr drive blowing oil out of res.
- My letter to the editor of Hot Rod magazine
- Water Pressure gage location?
- Anyone ever break a camshaft in two ?
- Add-on steering system dangerous??
- Flaky 50A Breaker
- Trim pump bracket???
- Exhaust Headers Alignment
- Spark plug wire replacement options...
- Starboard side has black soot on transom, port doesn't?
- trim pump question
- Dead or alive?
- Help Need A Trs To Borgwarner Yoke
- tips for repairing gel-coat
- Bravo drive has Neutral and Forward, no reverse.
- Bravo Lower Removal?
- Hydraulic steering problem
- Arneson drive ?
- Throttle control needed
- Windshield Glass Port Side for 94-29' Scarab
- Power steering Pump
- cant go above 3500rpms?
- Rotating Trailer Tires
- Formula Battery Wiring
- Worn Gimbal Ring
- Back4More Bmaxed out...
- trim and tab indicator options
- Borg Warner transmission not engaging
- Carb Flooding......SOMETIMES?
- no netural,no forward only reverse bravo-1 drive
- Cold Idling Problem
- hydrażlic steering problem!!!! serious
- Handheld GPS w/mapping
- water pressure?
- High rpm miss
- HELP Bravo 1 Universal Joint
- Fiberglass Help
- HP500 + Wipple Supercharger =Reliability???
- Oil Temp Check
- VST tank problems
- Hp 500 With Aluminum Heads
- Help! Engine alignment question
- Twin Disc Tranny
- Water pump pulley removal...
- B&M 671 mega blower - need info
- flame arrestor costs 40 hp?
- AC 1 number?
- Depth gauge works for 1 min, then 1.2?
- Boat plug@transom removal-tight!
- PowerValve Selection II
- Boost Pressure
- Maximus Five-Blade Propeller
- Mercury racing
- V6 Modules
- TRS Borg Warrner trans
- Change intake manifolds when replacing carbs?
- Looking for feed back on ProCharged 496HO...
- Airating a Black Hawk?
- Leaking Gil manifold 525sc
- Results of changing oil bypass springs on Gen VI 502
- Factory Reconditioned B-max Drives Limited Quanity
- Overfueling
- BIG A$$ cherry picker?
- ProCharger/SuperChiller/EFI/Setup
- Whipple charger carb?
- 502 efi runs WOT at start ??????
- Nova II Bravo change X-Dim change?
- Teague 509" crate motor
- Serpetine belt with water crossovers problem.
- Another oil pressure question
- Alarm buzzes, temp gauge ok
- Storing Bravos in Gear
- Flo-Scan probs
- Dry Sump oil system
- Carb question?
- need the right prop
- low voltage
- What jet size for procharged 502s?
- 500 efi NOS
- Oil Pressure
- Rare?[hull]
- Dyno's oil leak part 2
- BBC Oil Temp ???
- Opinions?
- Cam driven water pump
- What's in a MCM HP425
- Alternative cat props
- Msd Question
- Water Temp on Blower Intake
- question for Bobby Daniels- HD coupler?
- Oil in exhaust water - where is the leak?
- no water coming out exhaust??
- Needing A Larger Cockpit
- Big prop or small prop
- repairable or rebiuld?
- Whipple Charger
- Things I've discovered about Weber carbs
- OT: trailer brakes quit working.
- Merc 2.5 with new EFI
- 2.5 Merc Fly Wheel coming loose
- another steering question
- Outdrive play??
- Got my Vaccum readings so what powervalve to use?
- Dropping Fuel Pressure
- Hyd. Helm Unit
- Tach questions?
- Sound (silent ...) choice on automatic?
- Exhaust Film on Transom??
- Max Rs for stock ignition?
- Prop Torque, Pitch change
- 540 STD deck or Tall Deck?
- HELP with wiring (trailer)
- Merc. Silent choice
- water pickup for inter cooler
- setting X dimension - #6 to Bravo conversion
- Deformed Coupler Splines??!!
- drive oil
- Trim pump ports
- H2O pressure in Oil Cooler? Need Cooler!
- Oil Flow/Direction
- TRS Drives/lowers
- Bravo Sportmasters without cavitation plates?
- Outdrive Gear Ratio Question
- advice on flushing drive trim pump
- procharger single carb box needed
- Prop CUP
- Bad MSD box?
- Alternator question?
- Bravo Steering Problem?
- Alternator Bracket Needed
- Mirage vs Mirage Plus
- Need more power! Ideas Please
- bottom paint removal?
- How to determine Power Valve
- Looking for speedmaster props
- Timing and HP
- timing on 500 hps
- Hull limitation
- Need HP500 EFI ECM
- What size Alternator to run??
- bravo1 resevoir overflowing
- Steering Ram Identification?
- Stripped stud on coil?
- Fuel pumps???
- Thermostat cover gaskets leaking water
- Where in the fuel system should the fuel cooler be on a Procharged motor?
- Prop Labbing recommendation & Flame arrester?'s
- Hull Damage Repair Help?
- 500hp carbed oil filter?
- Offshore Throttle's - Gaffrig Performance or Gaffrig Lavorsi ???
- "How to adjust IAC & TPS" On Merc EFI
- Rapid Fire #1 questions
- Propheight twin PM 300's
- Engine Failed/ Question is? Long
- 502 Water pump impellar?
- OK Time to prop this boat, Help.
- motor change - what works?
- Flame Arrestors
- Low {er} oil pressure ?
- Speedo Pickup?? Which ones last?
- wet exhaust tubing
- Blowers and Thermostats
- "HOW TO" adjust EFI IAC & TPS -Interested???
- speaker ???'s
- M3 or M4 carbed procharger needed
- prop question
- Kiekhaefer Controls Safety Switch
- Water temp freeks out???
- Speaker Grill Madness
- Fresh Water Pump
- replacing floor in a cat.
- EGT with Prochargers/Whipples
- Alignment Tool-Where to buy?
- 496 Sea Water Pump
- adding mph = frustration
- Thanks bobby danials
- Rev limiter suggestions for T-bolt 4?
- Hole in thermostat??
- Small block Ford performance exhaust manifold
- Kamma-Lost a prop blade? Need advice
- 502 Heat Exchanger End cap blown off,help.
- What's wrong with my boat?
- Bound up shift linkage
- Break in for rebuilt motors?
- I need your opinion on gimble repairs
- Muff's for Bravo 1 low water pick up?
- Anybody HAve any alpha intake grilles laying around?
- Wrong oil pressure sender?? Gaffrig gauge...
- Carb trouble
- MSD wire harness?
- went from a 22 Velocity(fast&nimble) to a 26 Velocity (slow&lazy
- Still leakin oil!!!
- Tailstock/engine allignment question?
- Looking for exploded diagram on Mercuiserparts .com????
- Water Injection ,,good Kits
- Bravo 1 tech question
- Bravo 1 tech question
- IMCO Shortie on a 29 Fountain
- Attn: Moderator - need to post a picture
- bravo 1contra rotation
- Valve Covers for 1071 blowers
- Cat Cranks??
- internal exhaust flappers?
- depth gauge works 1 min. goes to 1.5 and stays there?
- Deep sounder
- What Brand Supercharger?
- Speedometer pitot mounting location.
- Refilling compass.
- square bore holly on spread bore intake?
- Adjusting Valves
- steering parts
- 496 wot miss-update, solved! Thanks Dixie Doug.
- Tuning a Holley 800 mech sec
- Reading an Advance timing light.
- high water pressure
- hydraulic bolsters not working,,
- Distributor won`t advance.
- water cirrculating pump drive question?
- Donzi Z21 What Prop??
- 87 Baja Force 280 Which Prop and What RPM.
- 496 on a budget?
- Tabs on Cats
- Looking for Yamaha OB dealer or parts website in North Jersey
- Shop in mid-west .. need whipple work.
- K&N filter and Jetting etc.
- Oliver parabolic rods?
- Black Soot
- exhaust help
- Oil an water mixing in 502/502 gm BB
- Vibration when in gear
- Water Pump Runs - No water comes out of Sink??
- Changing spark plugs and wires?
- Twin Promax 300 - how close?
- Scarab 1
- My boat is taking on water
- Carpet?????? Where to find
- 502.... max rpms?
- Oppinions please! Changing CG of boat while underway?
- Fuel Pump??
- Timming Help on 7.4L 330
- Truck people, braking question
- Air Compressor question
- how to set drive toe in/toe out?
- Weber Crabs Again
- Stroker pans.
- HELP,engine hoist?
- Break in on new Bravo XZ?
- Bravo 1 vs Bravo X
- Gauges...weird..weird
- SSM IV vs. SSM V ?
- Drive shaft questions
- Trim Switch help??
- 502 MPI Quiz question!
- Merc Plastic Dip sticks?
- prop question bravo1 vs mirage plus?
- how to tell alpha gen 1 from gen 2
- formula for calculating valve overlap?
- Engine size vs reversion.
- How can you tell Kevlar from fiberglass
- Bravo 1 Upper Value
- How long (Chain on Anchor)
- Need advice on buying a cam for my 454 mercruiser
- Motor never warms up. Advice wanted
- Evercoat gelcoat repare
- Bad 6AL Box??
- Need Help
- 496 under water !!!
- GD Seal!!!!
- How to add fluid to Gaffrig Monster liquid speedo
- Vacumn over hydraulic brakes
- Thanks OSO folks for the Tech Advice on the Quad Rotor - **VIDEO **
- Holley Electric Chokes
- need help from the pros / lifter hight V's valve geometry
- trs exhaust diverters
- Help... Raw water pump leak
- seized lifter , Why
- Corrosion Protection
- 100 mph or bust it
- sticking silent choice
- Trimming Twin Engines?
- Comp Extreme Roller Info
- Oil pressure sensor locations
- I bought a 1/2" spacer for my drive
- Dennis Moore?? Where are you!!
- Engine Clatter\Tapping Port on 350 Mercruiser??
- How much drive oil?
- Question about drive rotation and friction
- Engine Mounting Bolts?
- Bottom paint? yes or no
- Dist Cap for a Merc HP425
- holley carb adjustment
- Prop Question, diameter & pitch...
- What should timing be set at on a 84 330 Mercruiser
- Cam selection
- Imco Vertical shafts
- Roca Speed rails & what it will take to see 80 mph
- Holley help
- plugging old exhaust holes??
- blown 520 idea...need roller cam advice
- Holley Alcohol Jets?
- trs ?
- Peak Power on 330 Mercruiser
- Do I need Drive Showers on TRS
- SBC head choice
- HP500EFI running rich?
- 496 Mag HO water circ. problem
- Trs question
- Best Bravo Drives
- Removing thermostats on carburated Mercury Outboard
- Warning Buzzers
- Help with Accelerator Pump Cam
- New 500 Efi Throttle Body Upgrade
- Prop Help PLease!
- Trim Information
- Question on exhaust flappers?
- New Valvoline "Not streer legal" synth. oil
- multiple batteries???
- Advice needed on Cam and Silent Choice
- Aluminum Body Holley 750's
- Borg Warner Velvet Drive Problem
- Help..Oil Cooler Question
- Bravo1 Lower Unit - Torque Spec
- Where do I mount depthfinder?
- Relocating Drive Fill Bottles
- When will boost change
- Removing Vinyl Graphics
- 1st trip = tow Kinda Long sorry...
- Thanks Birdog (why OSO works)
- Oil Pressure ????
- My Dilema
- 454 mAG efi TWINS-ecm OR efi PROBLEM??
- EMI manifolds on 310 efi
- Corsa Solenoids
- burning clutches?
- New prop - different thrust washer ?
- Th OD quit in my 700r4 D is ok should I care
- Where to locate the stock water temp & pres. senders in 502MPI?
- Help, 500HP Carb Ignition Module needed
- gimble bearing
- Time to decide on which oil to run this year
- King Demon Carbs.
- Oil Leak From Hell...
- Trailor Brakes/Box in truck
- Boat upkeep
- "92" Webber carb? 7.4
- 500EFI runs then stops
- Twin Disc Transmission
- Best Oil Filters??
- Riser to tailpipe drop length?
- Mercruiser dual battery hookup recommendations
- Why no supercharged diesels
- distributor gear selection/material
- Bravo Input Shaft Seal Change
- '98 454 Mag MPI - Roller Rocker install
- wet sanding question
- bolt on timing pointer for 8in. damper?
- Need some Help with a Leaky Bearing Seal
- more power!!
- Milky Oil....bad riser seals?
- Follow up to Water in oil, now silver specks
- Help!! Better flowing heads and a better intake and less speed!!
- quick alpha question
- Help needed wiring in MSD 6AL boxes
- Best Place to Buy CMI's
- Looking for Mercruiser carb. paint
- 21ft scarab porpoising
- hi-temp on engine
- B&M efi hat
- Wiring question?
- Which gear oil for Kaama drives?