View Full Version : Technical Discussion
- High rpm miss
- what to do
- Bridgeport ECU options
- Will 2.5 PH fit 2.4 mid?
- 250 EFI Slow to RPM
- Re Oil Hydraulic Jackplate
- Rigging 115 Ficht in place of 70 hp OMC
- what do yall think...did heat cause this?
- Merc Laser 220 EFI getting execss fuel from ?
- 89 merc 200 EFI flywheel question
- Engine builder? squish?
- Raising octane?? 260 Merc
- plugging water inlet holes?
- A 87 200 merc is a...
- What Size Batteries are needed with the 2.5/260 16amp?
- 1996 225 efi Merc, wot 4k rpms
- Carb issue?
- How frequent should i change my plugs? 98 drag motors
- toss the 2.4?
- spark plugs
- So with all the talk of octane and boosters...
- indicator
- Skeg question ( Need Help)
- mercury service manuel
- Oil Injection
- Merc 2.0L operating Temp.
- omc lower unit swap
- pcu ????
- Getting more out of a 2.0
- 225 johnson issue
- 2.5 200 poppit valve??
- will 636-8118 rods fit a 2.4 bridge piston that had 625-5250rod on it t
- Wiring 1973 Hydrostream Vector
- 2.4 hemi head on 2.5
- Tach problems
- sportsmaster
- compression test
- Where is the tilt/trim hydraulic fill spout on a 1993 Mariner 135
- 30ft/lbs +90?
- 2.5 Xri opened the exhaust,does it need more fuel
- 1990 2.4 EFI Bridgeport????????
- Need a Merc Part #
- Can Someone ID These Reeds?
- 2.5 Xri Help
- cleaner for hardwater spots
- 260 EFI frount half on 91' 2.5 200?
- What heads will physically FIT a 2.5/260?
- Water Pressure
- hard steering pulls to right
- question on a 98 merc 225 heads
- Cleaning Deteriorated Aluminium Boat
- Why should I......
- Battery ?
- Is '86 Johnson 175 a good one to build up?
- Clamp Assem?
- Help
- What year did merc change from a 2 piece head to a one piece head on the 2.0L
- overheating alarm 2.4 race motor
- Water pressures 2.4bp and 2.5 260
- 1987 Johnson 200 Hp, Cross-flow or Looper?
- 1994 Merc. 2.5l efi problem!
- 50 Merc loads up and stalls.
- 7 pedal reed cages
- 1979 175hp merc outboard two stroke
- what can it be?
- Smartcraft Gauge
- whats the difference here?
- Land & Sea Dyno's
- 82 johnson 235
- Is 100 PSI compression Okay ?
- ok back to my 245 problem
- rich 260 ?
- fuel system set up,pusher pump or not
- Machinist
- Safe RPM range?
- Different types of Mayfair / Marine Machine wingplates
- 300xs question
- 75 merc info needed
- OX66 225 mods
- evinrude V8 questions
- 225x bogging at launch HEEEEEEEEEEEEELLP
- Shortning a 20in mid and shaft on inline?
- Temp gauge source
- 2000 Mercury 200 2.5 efi Vapor seperator tank leak
- Merc jumpy tach and a few others?
- Reeds?
- I have to block pisser to get reading on WP Guage
- Paging All Merc Guys
- 300X promax?
- High Performance 245 Manual
- What is the gain from stock air box to Velocity Stacks??
- 1998 Merc 200 Efi
- Poppet Valve
- Yamaha 220 Special - 5,000 RPM limit
- manual
- 300x Mechanic needed......
- Thanks Brucato
- HELP! With serial number
- 818141 rods up?
- 2.4 BP a little sluggish & getting electric shocks???
- My merc runs ( 78' 1750 hybrid sorta)
- 1985 Yamaha 150 ETLK converted to 200 HP
- My 1st rebuild!
- eliminator daytona owners help please
- What plugs to buy
- Mercury Broken Crankshaft
- 275 mercury
- 275 - 300 looper jetting
- mercury 3.0l motor o/b lower unit noise
- 2.5 merc. left hand rotation
- V-6 Merc. question
- Bad Regulator?
- 2.4 BP EFI gasket set part # ????
- 69 mercury 1250
- 1986 2.4 200 head cc
- 260 question
- Fuel Injectors, 2004 Evinrude Ficht 200 HO
- OMC Fast strike head(s) question
- control box beep
- Need info on a promax
- Merc V-6: What have I got here??
- #6 cylinder.....
- inquiring about prop and rpm
- 2004 40 Yamaha mods?
- Injectors cleaning and lifetime of them?
- 88' 90hp Evinrude seal question
- 2.4L only getting 5200rpm's
- 1994 150 mariner
- Name This Gear Case...
- Pinning an OMC bearing carrier?
- Where to get a test wheel/prop for OMC
- Cooling System Question/ Back Flush
- Water Pressure / High Temp?
- 99 optimax 150 not charging batteries
- Will this fit my motor?
- 150 VMax Lower unit Question???
- amsoil saber 100.1
- 2.4 mod vp
- Backfiring out the exhaust
- Merc 200 broken piston
- Question...
- Fixing Prop edges ?????
- Bob's low water pickup
- Johnson 150 faststrike overheated
- DMI pistons, any good?
- Engine Tuner??
- rex hptank valve
- Water Pump
- 1987 Mariner 150 1989 Mariner 175
- Trim motor Amp Question
- Question About Shop Manual
- 1998 yamaha vmax rev limiter
- 2.4BP water getting inside to crank?
- 2 ring pistons pros and cons?
- newbie
- trying to re-install lower unit,,,help...
- Setting up for a promax..
- motor weight??
- 87 Evinrude 300XP help
- what carbs to use on my bridgeport wh-31 or wh-46
- need stator part #
- Better idle on a Johnson??
- ? about composites
- over reved
- Startron fuel additive
- Is this Common, BP cooling?
- Merc Red Flywheel question.
- 88 spl
- 87 valero yt br, chine walking @70mph.
- What the hell is this??? Ebay stream!!
- difference between crankshafts ???
- looking for help 175 GT Johnson
- Dangerous situation, broken steering!
- 300xs report card so far
- chopper 28"
- No water pressure (or flow) on 2.5/260hp EFI (???)
- Bleed hose ?
- At lake NEED HELP 2.4???
- Im in the water & need help with 2.4 inj
- 1996 225hp efi
- Placing Power Head on Mid
- Ford 460 Help Needed
- Yamaha prov 200 question
- B7hs-10
- Taking nose cone off !!!
- Alpha 1 question
- Crossflow 235 up and running, impressions and questions...
- Need your help T-Rex
- Boat makes voilent right turn
- 2.6 Yamaha Pyrometer Probe Location ?
- 1985 Yamaha 150 ETLK Compression?
- Stv Mod Vp/cle/safe To Run ?
- 3.0 l 225 lower gears
- Early hubbed blade to fat shaft???????
- 2.5 200 hp merc issue
- Newbie Question
- Any engine builders in AZ?
- Need help with Seastar Steering
- Yamaha control box
- What mid sections fit 150 Optimax?
- Starter pinion gear??
- Spewing fuel....
- best jackplate bolts?
- Speedo pilot mount location
- removing oil injection?
- 100hr. Service on Yamaha 115
- 1987 2.0l Xr2 150
- 1995 Johnson 225 power upgrades
- kitchen cryo
- Water in Cowl Area of Older Johnson V-6
- Johnson V4 90hp carbed to 115hp
- Yamaha Digital speedo
- Stop loosening bolts
- Optimax reeds
- 1991 Carb'd 2.5L...convert to modern EFI?
- Exhaust Adaptor....need help
- *** 2008 Mercury Racing Catalog Now Available For Download - Get It Here! ***
- Oil Injection Removal?
- Afew Questions 2.5 260HP
- 50:1 versus 25:1
- OMC V-6 Base Gasket Replacement
- 88 Merc 60 overheating
- No Spark ??
- 2.5 200 merc thermostat
- 2.5 ECU etc to 3L
- V8 275 exhaust question
- OMC Stainless Head Studs
- RIgging a front mounted ballast tank 1750 bullet
- 250 temp
- 98,99,225 efi opt max merc question
- What is the ideal Temp. for a high pro 245 carb motor??
- 1987 Mercury V6
- Any differences between 2.5 HP and Fishing Motor Mid Sections?
- Yamaha V6 Excel: Trouble shooting the YMIS system
- How much parasitic loss? Spintron?
- Prop selection questions...
- what ratio???
- Expected life of #6 Super Speed Master?
- 1970's? mercruise
- 1995 XRi 2.5 150hp.....need information
- Swapping mid sections on v6 merc
- Yamaha lower unit counter rotation help!!!
- 300x throttle return spring....
- what power head
- year of merc 135 blackmax?
- Johnson Coil Replacement
- 1996 xr6 150?
- merc electronics differance,87 to a 93??
- merc V6 135/150
- few outboard questions, promax, 260 or 280??
vBulletin® v3.7.1, Copyright ©2000-2009, Jelsoft Enterprises Ltd.