View Full Version : Technical Discussion
- Twin Merc 3.0L carbed . new guy , need help !
- Verado Performance Increase
- WISECO Clearance in OMC
- Hydrofoil Dimensions ??? Anyone know of the Ally or Johnson foil dimensions ?
- What's in there? (OMC 235 Charging System)
- 2.4 carb jetting
- Horizonal Frt. V-4 Yammy
- Any better spark plug than BU8H?
- Two questions on Merc 200 Black Max
- 1990 115 Merc Doesn't run well anymore
- Stepped Hulls Info
- Oil injection gear failure (shavings okay)?
- omc 235
- head gasket leak
- prop recomendation's
- Fuel Filter Baiscs
- Gasket sealant or not?
- Vapour Lock
- cutting heads
- Notching out a gear case
- t-rex 2.4 jetting
- brucato svs and pcu
- 200gt johnson jetting question
- V-4 Yammy MAD E.F.I. SYS.
- analog to digital...whats involved in switching?
- ring info needed
- exhaust relief
- Merc DDT for automotive use??
- Main difference between 150 & 175 (2.5ltr) also a problem with one of them...
- which water pick up if you don't get 80mph?
- Little help please
- johnson to mer
- Merc. 200 hp. EFIyr.2000 troubleshooting stator
- fuel pupm question
- Need help someone with alien cover
- 2-stroke oil/ethanol
- I'll make this ONE unscientific, ignorant, and hopefully helpful post on ETHANOL
- Yamaha 220
- Fuel pump question
- lower unit 1993 200 mercury
- head gasket leaks
- Optima batteries, which ones?
- Important ! Measure Your Merc Drag Wrist Pins!
- Cylinder honeing
- 48 hp johnson idling problems
- '02 Evinrude Fitch 225HO fowling plugs
- Heads
- lower units
- Carpeting a 'stream
- lower unit question
- Baffles in Aluminum fuel tank, ideas?
- Going crazy. (Blowing fuses 87 2.4)
- PRO Marine Crank and Rods
- 2.5L How much horsepower
- offshore mid
- Precious metal spark plugs
- what would you do?
- 2.5 Opti ???
- Water pumps and head Temp.
- Top speed with twin 3.0 carbed ???
- 2.5 200hp vs 2.5 225hp
- omc rect/reg purple wire
- Will a 2.4efi 240 hp fit a XR4 mid?
- stringers an transom
- drillin a bigger hole
- Mercury Exhaust Mod..
- 1 inch intake spacer?
- Mercury Command 3000 Control Boxes I/O & Outboard
- 260 plugwire question
- my voltage regs arc to ground!!!!
- Alien Cowl (questions)
- Electric fuel pump
- 62 Merc 1000 vs 850
- motor rebuild
- #4 speed master ?
- building a 2.4 laser
- powerhead swap
- rebuild question
- Questions about stacks
- 2.5 adapter plate
- 40 amp rectifiers
- reed question
- Merc 200 EFI max RPM
- Compression numbers on 300 promax
- Is it possible to get more power in a 3cyl 90 Merc?
- Head Gasket on a 2.5 Merc
- Merc water tube dump question??
- ghgjk
- skater low speeds
- plugged intake holes
- Chrome 2.4
- Who are the 300X guru's
- '90 Bridgeport EFI has NO limiter, NO regulator, NO poppet dump???
- Merc 03 115 4 stroke
- 4 Stroke Hp increases?
- 1990 115 Merc Done For!!!!!!!
- Timeing/flywheel.
- M.a.d. Efi!!!!!
- 300X Fuel Filters (external)?
- my newest idea on my problem...what yall think?
- Cleaning a Lifeline vest
- Merc electrical gurus needed
- fuel pump
- 2005 280 shutting off??????
- Whats the max timing on a 2.0?
- Yamaha???
- 250xb merc?
- Surging?
- fuel pump
- Bearing Carrier
- 92 Yamaha Pro V Hop up help ???
- Reeds for a 1981 175 OMC
- Bridgeport
- Mercury 200 V6 outboard help
- Increasing HP on 200efi
- spuzuki charging problems ,,, need help
- 1999 150 Optimax Does Not Start???
- Will this work??
- Omc Lower Unit Fitment
- Stuck Throttle at 50 MPH!!!
- heres some pics of my borescope..what yall think?
- Merc Switchbox?
- Can any help me identify this flywheel
- mechanic full of $h#t ?? 225hp to 300hp for $500
- Small Shaft To Large Shaft
- OMC to Sportmaster Conversion
- Overcharging 200 2.4 Liter
- Johnson vs Mercury props
- 95 3.0 litre omc
- Tach Recall?
- Rich 260 wires?
- promax 300hp
- Rigging a Johnson GT 300 help needed
- crack in end of crank flywheel side
- Tachometer 12,000 RPM
- no water out of poppet valve at idle!! normal ??
- 2.0 and 2.4 adapter plates are water passages different?
- 2.4 Efi Surging On Take Off! "help"
- Water pressure Guage
- yamaha 200hp V6 oil porblem
- Big shaft same size as Bravo???
- Alien Cowling plate autocad file?
- Water pressure gauge connection
- am i overheating?? 2.4 merc clinder heads hot to the touch
- need a copy of pcu managment. xls (for brucato pcu)
- stripped spark plug hole
- "D" porting a mercury piston...
- Will a 2.4 horn work on a 2.5?
- Shaving heads?
- ead cc's for 2.0L
- 1999 225 EFI 3.0 runs rich
- Fuel Problems
- D porting ?
- 1250 coil wire
- efi sensors
- 200 EFI shuts off
- 50hp Johnson worth repairing?
- Mad Efi and Merc 2.5 EFI
- Reed Valves
- Stock compression for OMC V8?
- Deciphering OMC serial number?
- Thermostats in a Merc 2.5 EFI
- 280 with broken sealing rings
- Increase Optimax PRMs
- 0 H2O Pressure in new to me Merc 260?
- Mercury 150*ezz's Wizard's
- The little trim-pot on the ECU...
- Early 90s' 2.5 260hp questions?
- 300 promax spark plugs
- 260 dies
- Dual pyros on 300PM's
- Venting fuel tanks
- 3 ram trim down problems
- Just found a Merc v2000
- Fuel cell foam? v 2.0
- merc single ram reseal???
- How did this happen???
- Alisyn ProGear 21 Type 1 oil change
- 280 Ecu
- weird problem
- Lapping reeds?
- New Rev Prob
- WH15 carb, tube missing!
- CC'ing 2.5 EFI Merc heads - chamber variance
- 225 Promax - to port or not to port?
- Stuck Trim rams? Anybody know why?
- Water Fuel, It's real!!!
- Exhaust temp and water pressure
- 1989 2.4 XR4 WOT is 4800 rpms
- installing trim unit
- 225 Promax heat questions
- What cc for 140-145 on a 2.0l
- Wanna race? No experience.
- need help got questions
- bp mods
- Mercury Lower Unit On Yammi
- ??chip??
- Looper causeing tack to go crazy! why?
- New Tach Question
- Merc Lower Unit Assembly
- XP 2.6 jetting
- 2.5 Harness Part #
- 2.5 Merc questions
- Mercury SN B135718
- Help for my Inline 6 115
- Settin 1999 Merc. 2.5 EFI up Mean & Lean!
- Need blow up diagram!!!
- Wanted to do a pressure check?
- Wha's max compression for pump gas on Bridgeport
- OMC Stinger 75
- Going to lake Sunday first time since rebuild
- water in sportmasters
- 3.0merc rebuild cost?
- Need more low end "GRUNT"
- Dumb Question 2.5 exhaust divider removal
- rectifier
- Keeping injectors clean
- Too many volts?
- Adding fuel filters / 5 microns
- 2.5 175 off idle shudder
- 2.7l looper head part #
- What trim sender / 3 ram 20" mid
- Cylinder hone and muratic acid???
- tach and bogging problems
- cowl swapped, and now engine won't fire?
- changing a rack steering
- Bob's nosecone
- Do people use the recommended plugs?
- ddt
- water pressure gauge reading issues...
- Timing on a 2.0L/ Crank rings
- 225X Promax problem
- How much Pressure?
- testing 2.5 xri
- Stablizer Plate
- 77 115 johnson power head on a 85 90hp midsection?
- 300X hp/tq curve, anybody?
- Smartcraft guage reading Fault oil level?
- T-Rex..Cherry 2.4 mod question.
- Engine won't fire after fuel filter fell off
- 2.5 help
- pros and cons for a T-master VS S-master
- 92 mariner 150 compression
- Timing variance from rising trigger voltage
- sportmaster internals
- Paralift Gauge???
- OMC Lighting Gear Case
- 85 175 merc choke primer
- Can 2pc driveshaft be replaced with 1pc?
- what is a c-500
vBulletin® v3.7.1, Copyright ©2000-2009, Jelsoft Enterprises Ltd.