Technical Discussion [Archive] - Page 215 - Scream And Fly Powerboat and High Performance Powerboating Discussion Forums

Merc bearing #, where does it go? (4 replies)
Prop question? (1 replies)
Dry Stacking (1 replies)
XR-6 2-piece prop shaft (9 replies)
Prop diameter vs. RPM (5 replies)
klotz oil (4 replies)
280 Fuel Filter (1 replies)
top bearing preference? (0 replies)
Merc hub to OMC (3 replies)
when your nose cone starts to lose chunks (8 replies)
Thermostats in a 2.4 BP ? (8 replies)
Jay Smith HELP! (2 replies)
Compression check enough to fry water pump impeller? (11 replies)
Backing plate for shifter (1 replies)
Merc 65 hp Help (15 replies)
"Plastic Ring" around propshaft (3 replies)
25 hp merc. question (6 replies)
Decarbonizing Bwhats The Best Way (10 replies)
Hydro Therapy (2 replies)
Inline six help! please (47 replies)
2.5 L overheating above 4000 (3 replies)
Looper Carb HELP! (6 replies)
Hi-Po Cranks (2.5) - Difference between Large & Small bearing (30 replies)
4 month old gas---any good? (9 replies)
Difference between 225 Pro Max Block, and 245/260 Blocks (1 replies)
How to wire the fuel pump to the kill switch . (2 replies)
Merc waterpump impellar replacement, any tricks to this?? (13 replies)
Stuck Bolt OMC 60 (6 replies)
Voltage (2 replies)
tach (0 replies)
Newer 50 HP 3-cyl Merc Tach Hookup Question (4 replies)
Low water pickup (1 replies)
ELECTRIC FUEL PUMP w/CARBS... (17 replies)
johnson oil hose length limit (0 replies)
Kill Switch Lanyard Help (2 replies)
Carb Jets (1 replies)
Piston And Rod Balancing New Post (5 replies)
Johnson GT 150 Fuel Requirements (5 replies)
another fuel system question..... (1 replies)
2.5 EFI 1in spacer problem (2 replies)
2.4L Rod question, quick ans if u know plz (6 replies)
Foot Throttle Installation (13 replies)
mercury 200hp on a bridgeport mid (1 replies)
How to set timeing on lightweight flywheel (7 replies)
1999 200hp Johnson pickup magnet problem (3 replies)
battery problems (15 replies)
light flywheel question (57 replies)
Clamp Bracket Anode Questionrge (2 replies)
What does a Merc 2.4/2.5 piston weigh? (5 replies)
crank looks blue (11 replies)
OMC 2 cyl experts (2 replies)
RPM's for 3 cyl Merc 90 (6 replies)
piston and rod balancing (1 replies)
General Consensus on Gaskets? (4 replies)
Flotation question (13 replies)
Well I jumped in with both feet and I'm sinking quick (33 replies)
Excessive Smoking Murcury 250EFI (3 replies)
Do I need to use Quickleen? (1 replies)
Need Yamaha wiring diagram (1 replies)
more inline madness... (6 replies)
Racer (4 replies)
V6 Looper 3.0 1988 (2 replies)
Main Jets for OMC Carbs???????????? (6 replies)
serial number location (0 replies)
Everyone Runninig Electric Fuel Pumps--------- (21 replies)
compresson and nos (3 replies)
Wisesco vs Pro Power vs OEM vs Mahle vs ? - Whis is best for what? (23 replies)
wiring diagram for 92 40hp johnson (2 replies)
going from mechanical to electric fuel pump? (18 replies)
Early 2.5 missing #4 sealing ring? (12 replies)
CNC lightened crossflow pistons (54 replies)
Inline 6 3 button Trim Wiring (6 replies)
Quickleen (5 replies)
Sea Star Pro help!!! (40 replies)
can anybody tell me what set of carbs I have? (0 replies)
Question on a 2.4 (2 replies)
260 guys (4 replies)
center main bearings Please READ! (8 replies)
Mercruiser lower unit (2 replies)
what lower units fit '00 Merc 70? (3 replies)
How to get all the air out of my trim pump!!!?? (3 replies)
Has anyone done this to an HST? (16 replies)
Maximum Timing Advance on OMC v6 200 (2 replies)
Mixing Fuels... Gasoline, Methanol and Nitromethane. (13 replies)
merc trim pump??? (8 replies)
please help, fuel pump ? (9 replies)
lost my boat key (10 replies)
Batteries nearer the bow or in the stern?? (2 replies)
How much manifold pressure in a top fuel dragster? (20 replies)
sealing rings have rotated into front 1/2 leaving notches (17 replies)
check valves on front 1/2- all suck, no blow? (3 replies)
Maximus? (9 replies)
checkmate pulsare, how fast? (5 replies)
will this work? (1 replies)
Tach test setup (23 replies)
Im build a boat (1 replies)
Safe Compression For A Promax (8 replies)
1998 200 venom (1 replies)
Head Gaskets (3 replies)
Timing Check (0 replies)
Boyesen reed question?? (3 replies)
Can't get Merc lower unit back on, Help,help help (11 replies)
yamaha Question (3 replies)
Injector help (2 replies)
How do you disconnect shift shaft on Merc? (10 replies)
Johnson 25hp Question (2 replies)
Land & Sea hyd. jackplate position indicator sender? (10 replies)
Help Petrolium Chemist (4 replies)
putting fresh cross hatch in chrome bore (28 replies)
Crazy Idea??? (4 replies)
ODYSSEY Battery tray (7 replies)
65 hp merc. ? (17 replies)
Ring question (2 replies)
question (7 replies)
Pyrometer Wiring (3 replies)
water leaking ProMax (1 replies)
Should 4 petal reeds have a gap? (5 replies)
Optimal EGT for a Promax 300 (1 replies)
Fuel/water separator (5 replies)
trim indicaters (16 replies)
Project 75MPH Starflight....... (12 replies)
Fuel return line? (4 replies)
Painting Outboard's (14 replies)
21' Starflite owners--Help (22 replies)
OMC exhaust mods (0 replies)
Horsepower vs RPM??? (31 replies)
Low oil sensor - cont. test - how does switch work? (7 replies)
280 fuel system (1 replies)
Water pump shot? (3 replies)
89 200 zuki (15 replies)
Engine experts take a look! (29 replies)
235 crossblow torque specs (5 replies)
Hole Shot, Prop & Tach (38 replies)
connecting rod ? (16 replies)
2.4 piston ID 101 (3 replies)
Chop? What Chop? BLAHAHAHAHAHAHAH (10 replies)
re-power, re-build (1 replies)
Gas question (34 replies)
Do I need this (11 replies)
Need Advice (1 replies)
Two batteries switched? (1 replies)
Water Pressure? (2 replies)
need help with prop on 2.4 also water pump (0 replies)
Merc Tach (0 replies)
Pitch Gauge (1 replies)
Soapy Water Pump Gasket Leak Test (2 replies)
Promax 150 - Mods worked (0 replies)
Wrist pin bearings (9 replies)
Weight Tower of Power (1 replies)
Need help with a 115 inline four merc. (12 replies)
How to identify merc ECU? (9 replies)
got a question on mercs (1 replies)
max rpms 2002 merc efi? (4 replies)
Cable Steering Side Mount on STV? (4 replies)
OMC sucks/Merc midsections (5 replies)
1988 Merc 150 XR4 Alarm sounding (1 replies)
Sealing (0 replies)
Temp gauge wiring (can't find my diagrams) (8 replies)
This Piece Of Crap Is Down Again!! (19 replies)
Sst45 Gearbox Need Help (6 replies)
2.5 280 (24 replies)
Leakdown Test!! (14 replies)
Idle stabilizer (5 replies)
Thank You Wayne Taylor!!!! I LOVE my MAD EFI injection system! (3 replies)
Tachometer (2 replies)
What feeds fuel/oil to the center mains? (0 replies)
96 260 problem? (28 replies)
Question for Raceman (4 replies)
Gasket Goo (1 replies)
omc upper crank cap (2 replies)
help with transom (1 replies)
Water pressure in a 2.4 (2 replies)
Alum Flywheel (2 replies)
WTB - Guages (dig. tach and large trim indicator) (3 replies)
Help PM 300 False warning alarm (14 replies)
exaust plate leak update (0 replies)
OMC & Merc POWER PACKS (2 replies)
What's the scoop on 3.0L Mercs (2 replies)
Fuel rigging quest. - Again (6 replies)
Water pressure senders (8 replies)
Offset wrist pins (2 replies)
Reed cage screws - any advantage to trimming ? (7 replies)
Jets for WH-20 in 200 Fishing motor (1 replies)
24 merc questions (1 replies)
Anyone using a SeaStar steering on a 2.5 Offshore (6 replies)
water pump in outboard (2 replies)
OMC hub cooling (2 replies)
Primary pickup timing adj. (4 replies)
Anybody ever use a Champion QL55 plug (8 replies)
Johnson or ficht oil (2 replies)
Dry Sparkplug (0 replies)
Help! 50 hp Honda 4 stroke question (1 replies)
Pro Max cold start question (18 replies)
flopping flywheel-simon motorsports (1 replies)
jetting a 2.5 245 merc (14 replies)
Removing a steering hub (4 replies)
2.5 245 hp carb motor stock psi on heads (10 replies)
sportsmaster mods? (1 replies)
Bosch Fuel Pump... (2 replies)
Rapid Jack Plates (3 replies)
oil inj. removal kits (8 replies)
Need Omc Old Style Trim Help!! (7 replies)
fuel octane (40 replies)
Gear lube for Merc (20 replies)
Head Gasket P/N (4 replies)
Spark Plugs!!! (6 replies)
purpose of rubber washer on upper mounts (3 replies)
throttle cable - how long? (2 replies)
Oil Inj. Block-off Leaking (4 replies)
Help needed to test trim solenoid (8 replies)
Wiseco's (22 replies)
Merc / Mercruiser Prop Shaft Sizes (0 replies)
Anyone got a Raceflex flywheel for a x-flow? (2 replies)
Volocity Sacks(spelling?) (2 replies)
2.4 200 #5 skirt galded (0 replies)
2.4 pistons ? (6 replies)
Re: Please Help revisited (26 replies)
tuner adapter: 1 piece vs. 2 (10 replies)
260 cowl and drag cowl (2 replies)
80-81 225 piston question (6 replies)
2.5 245 carb HP curve and prop question (7 replies)
Carb vs EFI? (6 replies)
Made it past 20 hrs on the new 150, now what? (3 replies)
broken rod! (6 replies)
Marine wire and color codes ?? (9 replies)
Make My CLE Faster (19 replies)
2.5 Cutting out (4 replies)
mahles'and rings (9 replies)
112 Rude (1 replies)
Thermal Control Valve needed? (2 replies)
Question (Fuel) (5 replies)
2.4 big rods or small (1 replies)
2.4 BP linkage question (1 replies)
How fast is my 1990 21 Cougar? 2.5 Merc MAD EFI injection (6 replies)
Merc. wire harness questions (2 replies)
Toe in or out with twins ?? (6 replies)
New steering ? (4 replies)
Are 35cc heads stock? (5 replies)
HELP Trim Problems (7 replies)
Jackplate wedges to correct shaft angle??? (48 replies)
Hmmmm??? Prop Question (19 replies)
Difference between hi-po heads and stock - 2.5 Merc. (1 replies)
plugging exhaust relief - omc's (4 replies)
should this happen?? (7 replies)
Merc Serial #'s (7 replies)
Increasing HP in a stock '96 Johnson Venom 200hp (7 replies)
Fuel pump idiot light? (16 replies)
Max speed on Garmin GPS (31 replies)
Machinists: Carbide Drill Question (17 replies)
Rectifier (69 replies)