View Full Version : Technical Discussion
- 2.4 2.5
- 2.5 Digital EFI Help...
- what gague to use
- Damn trim!
- Steering Cable Removal
- cough, cough, and OFF!!!
- Shaft Reconditioning..??
- hydrostreams ?
- prop size selection
- Nosecone
- It"s Alive!
- heads
- 225 HO Gear case
- wide open 1150 EGT,but climb to 1300 when cruising.. should I be worried?
- firing problems
- Carbs to run- 15's- 28's- 31's
- Which reeds to run?
- When motor is hanging on the lifting eye, where is the load?
- High compression & jetting?
- Water Pressure on 225 Promax..HELP
- WMH carbs? One size fits all?
- Jeting carbs with EGT's
- ARP bolts ?
- Getting more Mileage w/Twin 250 Johnsons
- wmh carb question
- Adjustable Poppet Valve Cover Question
- weeping oil
- carb float height adjustment
- Merc 60 Thrust Washer
- 3.0 Merc
- Understanding The Poppet Relief
- thermostat washer size?
- steering cable mount on new jackplate
- OMC V6 Timing??????
- Got my mota together, how much timing / compression?
- 2.4 breakin, hi comp heads, or stock heads?
- toss these reeds?
- Merc 2.5, which plug?
- '99 Optimax150efi... excessive fuel in the exhaust water, what's wrong?
- Good 'old Merc' mechanic?...
- OLD 4 HP Merc
- what should compression be?
- Sealing crank case
- 454 Magnum MPI engine alarm
- Mercruiser question....
- anything better than gel seal?
- Warning buzzer going off
- Anyone know this nosecone?
- Speed Rails
- Gas tank/ fuel fill grounds ??
- Steering Torque Tabs
- older 2.0 on a 93 housing
- Which CLE???
- 2001 150hp EFI Mariner (more power?)
- 2 piece plate question
- cooling system ?s
- rev limmiting
- need ideas on setup 1978 Sleek mod vp with OMC 235
- Mid section exhaust question
- Differences between a 2.5 150 and a 2.5 200?
- didital 2.5efi repair and modification
- Guiliani italian river racer 1970 XRI 200
- Mirage Jag won't stop Hopping
- Adjusting Idle Air Jets on WH Carbs?
- Does max timing affect max RPM?
- 2 cyl omc 40 vs 50 diffs
- Water temp sender location question
- blew up 3x
- 2.4 efi to 2.5
- WH carbs with loose play in thru shafts
- 2000 Seadoo XP Engine Problems
- Help. Looking to buy a V6 Xflow Race flywheel.
- Omc,looper,v-4 Timing
- Acme prop deal
- question about my merc
- Lavey Speed/SOSMERC
- Merc 2.5 260
- 2.5 200 and 2.5 260 rods. Whats the difference?
- What kind of chopper applies here?
- Speedo P/u Placement On A Vector??
- OMC experts please help w/ Fast Strike 150
- 40 amp to 16 amp stator swap
- Dual Cable Steering Question
- 2.5 Mods
- omc idle air jets
- Merc ignition switch question
- help with setup
- drilling tuner on low setting boats that load up at idle
- 1967/68 Merc- 50hp. Does this engine lock down into postion when running?
- 1970 merc 1150
- propeller
- Fuel Tank Hold Down Straps
- TRS Trim help
- Tach Question
- Z-port air horn adding a spacer???
- CDI/ RAPAIR web site.
- cooling info
- 99 up 280 cooling temperatures
- Thanks Bruce Leonard, light weight pistons
- Merc lower needed
- help on rude v8
- Jonny Rude Question
- Hey T-REX, oil question
- DUmb Prop Question
- Ecu?
- forgot
- home made octane boost. good or not?
- 1970 135 merc
- 81 Vulture & mecr ???
- Anyone ever tried Forming LEXAN?
- Eratic fuel pump behavior question!
- Wet Plug question
- what time is it ?
- electric fuel pump, through factory pump, or by pass?
- 87 25hp Merc No Spark #2 Cyl Only
- DFI computer
- 1:78 XR case, stand up to 150ProMax???
- can't figure it out??
- Kill Switch on Merc I6
- Gaskets
- Gaskets
- technical merc 260 + octane question
- independant tester wanted
- Rickracer, tell me about your fuel pump blockoff kit
- Took .010 off my decks and the pistons hit??wtf
- Reed Attaching Screws
- Now a charging system problem
- need T-n-T info!
- Cooling mods and thermostats
- Optimax?
- Wiring up trim and temp buzzer
- 175 vs. 150 heads
- Gearcase question on XR4 and XR6...
- Johnson VRO 140 HP lower unit
- Gasket between lower plate and midsection....
- 1997 merc 200 Tach sender wire
- Gohr, Racer, Baker other OMC experts
- 275 V8 offshore
- Mixing Octane #s = what octane?
- prop problem
- help racer or others-225ho carbs
- OMC V4 Test Prop 100-140hp?
- Need a rectifier
- Best heads for OMC Crossflow?
- How do i rig a L&S foot throttle?
- When you wrong your wrong
- From Massive To Minimal Water Pressure
- Is this bad or is it a vent?
- Johnnyrude running bad... HELP! OMC GURU'S!
- Pad On A Xr2002
- Indexing Spark Plugs
- 250 EFI Mercury Trim indicator
- tiller arm reinforecment plate
- Nose Cone Tip in Relation To Propshaft Centerline
- 95 200 XRI Mods
- no tack
- head info
- Igniton ?
- Can it be sleeved?
- Broken tap
- Tachometer Question
- Whats Average Water Pressure ?
- Us1
- which heads is which???
- 94 xri what do i not need electrical
- cowl/motor cover extra ventilation
- removed airbox and fuel mix ran out?
- Project Baja Help
- HELP! 135omc thermostat ?
- Need A Timing Base For 150 Johnson
- Blown 88 Evinrude XP150
- Technical, but not boats.....printer
- FINALLY found the answer to my alarm problem.
- plug wires
- difference between a 260efi ad a 280ss 2.5?
- Blocking Off The Spent Water Cavity
- Flooding and backfiring 2.4 ??
- Prop Formula
- Float bowl baffles and slosh tubes?
- New Merc Pistons How Do You Tell
- Can you Mount Trim Pump Sideways?
- Merc Guys ..WARNING MODULE
- 3 cyl Looper mid and Gearcase
- Bobs trim pump
- Yamaha Carbs on a Merc 2.5
- Hustler props?
- cant start my newly mounted 2000 150
- More power in my evinrude OB
- 2.4 EFI BP Starting Question
- AQ 130C ignition
- Can I put a light weight 2.5 aluminum flywheel on a 2.4 engine?
- tachometer reading on Faria gauge
- shift shaft ?
- 76 Stinger 75 questions
- Brandon Power
- Can I use tygon bleeder hose in the exhaust divider?
- small vs. large blade chopper
- Floscan dual water temp gauges ???
- Egt-how Much Heat Is Too Much ?
- mercury xr2
- broken pivot shaft in crossflow 115 omc
- Carb upgrade for V4 OMC
- getting a prop off a ski boat ???
- Velocity Race Fuels
- wiring on merc T-n-T
- Whats a good spark plug for my 235?
- fuel pump question
- Merc carb help!!!!!!!!!!!
- To slide or not to slide????
- 2.4 EFI BP analog ECU question
- crankcase sealing rings (on crankshaft)
- Johnson 50 Hp Timing
- repairing land & sea jackplate?
- bridgeport motor stalling
- Prop Loosens
- Looper eats rod bearings?
- Cross flow
- top speed of 4 seat mirage
- xr2001 question
- SeaStar on 2.5
- merc 175?
- What is the best fuel pump steup?
- MOtor blues.. wtf..
- mounting navigation lights on STV
- A5 Vs A48
- Promax 300 - running too cold!
- Us1
- Its Alive!!!!!!
- 4" of vacum is that right??
- 2001merc carb revlimiter
- Hi guys,
- HELP! missing 3cyl OMC parts
- fuel/oil in hose between top and bottom bearings
- 280 plugs
- Timing light 4 stoke 2 stroke ?
- fuel experts question
- Whats ur opinion? 20 inch offshore or 20 promax center section?
- Shy Bridgeport
- 1994 200 Mariner ?
- Magic 260,Magically loses power!
- Single OB to Twin OB Steering System
- OMC Cobra sterndrive 2.3L
- Drain Plugs
- will a high 5 fit a johnson venom???
- Dave's boat is for sale
- Thanks everyone....
- Puller for Second Effort Flywheel (OMC)
- 21 Skater Brakeing Gear Cases
- HELP!!Bob's Jack with a Stainless Marine Indicator??
- It's Not Enough. The Noble Quest for more speed
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