| Subject | Date Asked | Expert |
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| Hard starting 7.4L MPI engine | 1/27/2008 | Jeff Grigg |
Q: I have a 1999 Mercruiser I/O with a 7.4L MPI engine. In cold weather (below 60), it cranks for 5 or ... A: Make sure you aren't opening the throttle when starting. What you describe isn't that unusual. You ...
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| Locked in reverse | 1/27/2008 | Jeff Grigg |
Q: 70 HP Tohatsu Engine locked in reverse A: Hal, do you mean the tilt is locked or the motor will only go in reverse or will not shift. If it ...
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| boat repair | 1/26/2008 | Jeff Grigg |
Q: Alright, I'm trying to figure out how to fix these 2 fuel gauges for this boat. The gauges are good! ... A: The pink wire from the sender goes to the S on the gauge. Black wire goes from ground to the G ...
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| 1986 15 hp johnson | 1/25/2008 | Jeff Grigg |
Q: tried to change the water pump.shaft is stuck in bottom of power head. how can I get it out ... A: It isn't easy. Try this, get two large blocks of wood and shape them into wedge shape. Put them ...
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| 25hpMercury / No high end | 1/25/2008 | Jeff Grigg |
Q: Jeff, I have a 1995 25hp Merc. Serial#0G120315. It runs great and idles great. However, recently I ... A: Your carb has two circuits, idle and high speed. If the engine sat for quite a while it could have ...
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| Suzuki DT65 fuel problem | 1/25/2008 | Jeff Grigg |
Q: I have a Suzuki DT65 outboard (serial 06502 501488)which was running fine when last used . It sat ... A: Greg, you will need to pull the carb back apart. Get a complete carb rebuild kit and replace all of ...
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| omc tilt/ trim problem | 1/24/2008 | Jeff Grigg |
Q: I have a 1996 oceanrunner 225. Tilt switch stuck in the down position an ran for hours before we ... A: When the trim unit trims either up or down once it reaches it's limit there is a hydraulic pressure ...
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| 115 hp johnson | 1/24/2008 | Jeff Grigg |
Q: I have a 1978 115 hp Johnson v4. One weekend it worked great. One week later, the motor will rev ... A: I suspect you have an ignition problem. I would also check the fuel system and for carbon on the ...
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| 7.4 L I/O Serial Numbers | 1/23/2008 | Jeff Grigg |
Q: Trying to order a new engine manual from Mercruiser, but cannot read the serial number on the flame ... A: Shawn, I believe this is the correct manual. 90-8232242 I would call your local dealer and give him ...
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| 7.4 L I/O Serial Numbers | 1/23/2008 | Jeff Grigg |
Q: Trying to order a new engine manual from Mercruiser, but cannot read the serial number on the flame ... A: Some of the motors have a serial plate on the back of the motor, but most newer models don't. If ...
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| 1971 135 hp | 1/23/2008 | Jeff Grigg |
Q: I have a manual and have checked the wiring diagram all wires are in correct places,this problem ... A: More than likely your switchbox is bad. You should have 9vdc. If the voltage is not making it ...
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| 1971 135 hp | 1/23/2008 | Jeff Grigg |
Q: I have a manual and have checked the wiring diagram all wires are in correct places,this problem ... A: John, check the voltage going to the switchbox from the wiring harness, the red and white wires. You ...
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| Opinion of a 76 Century Inboard | 1/23/2008 | Jeff Grigg |
Q: I am looking at a 1976 Century Inboard with a big Chrysler and a V-Drive. It was rebuilt about 8 ... A: First of all I am not an expert on V drives by any stretch of the imagination. If you are interested ...
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| new power head | 1/22/2008 | Jeff Grigg |
Q: . i have a 24 ft grady white with a 2003 yamaha 250hp 2 stroke with 102 hrs on it...i had a problem ... A: Joe you probably don't have anything to worry about. You do need to ask the shop what caused the ...
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| Underheating | 1/22/2008 | Jeff Grigg |
Q: I have a 1996 Mercury Black Max 3.0 L outboard, carburated which is running to cool. I have replaced ... A: Larry you need to have a good service shop look at the motor. How do you know it is cooling too ...
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| 1971 135 hp | 1/22/2008 | Jeff Grigg |
Q: I already replaced the switch and wire harness do you have any suggestions. A: First of all make sure the switch is the correct one for your engine. OMC used separate choke ...
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| Mercury 1500 150 HP Timing and synchronizing | 1/21/2008 | Jeff Grigg |
Q: I have a 1977 Mercury 1500 outboard 150 HP. It did seem to run fine at low speed but had no top end. ... A: OK, go to your local Mercury dealer and buy a dial indicator with the adapters for use in a spark ...
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| outboard shaft length | 1/21/2008 | Jeff Grigg |
Q: i just received a pelican bayou canoe. i am looking for an outboard motor for it. but I'm not sure ... A: A 20 inch motor may be right for you. You will want the anti-ventilation plate from just above to ...
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| Mercury 1500 150 HP Timing and synchronizing | 1/21/2008 | Jeff Grigg |
Q: I have a 1977 Mercury 1500 outboard 150 HP. It did seem to run fine at low speed but had no top end. ... A: David, the timing on an inline is not that difficult, IF you know what you are doing. For the boat ...
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| rebedding portlights, hatches | 1/20/2008 | Jeff Grigg |
Q: I have a hunter 27 sailboat with opening portlights with plastic frames and lenses. The frame is in ... A: Any sealant made for bedding fixtures will work. I don't have a 3M catalog here where I am so I ...
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| bass boat | 1/20/2008 | Jeff Grigg |
Q: I need to know how you separate the top shell from the bottom of my 86 pro craft I have a bad ... A: Chris this is one of those jobs I would recommend to an expert. When the top cap is put on more than ...
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| buzzer | 1/20/2008 | Jeff Grigg |
Q: I have a 1979 55 johnson 55etl79l that started to make a buzzing noise from the throttle control. ... A: Brad you need to have the hot horn, and wiring checked out. If the horn does not sound with the key ...
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| Tilt trim solenoid? | 1/20/2008 | Jeff Grigg |
Q: I think that is what they are. The tilt trim just clicks and won't move like a starter with a weak ... A: Tim, I need the engine make and model to tell you everything you need to know. But try the ...
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| mercruiser bellows and leg replcement | 1/19/2008 | Jeff Grigg |
Q: I have old heavy Mk3 mercruiser outleg which needs fitting. However as the drive joints are ... A: If the gimbal housing was not taken off of the bellows there is no need to remove as you have found ...
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| tilt trim sender | 1/19/2008 | Jeff Grigg |
Q: what is the funtion of tilt and trim sender ? A: It depends on the engine. Mostly they are used with a trim gauge to tell the angle of the engine ...
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| engine info | 1/19/2008 | Jeff Grigg |
Q: i need info about my engine, all i got is E130TXACB, G0443B542. want to know what year and horse ... A: Are you sure the model number is correct? It would appear to be a 130 hp. Any online or local dealer ...
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| BOAT SLOW START FOR 90 FORCE ENGINE | 1/18/2008 | Jeff Grigg |
Q: I have a 90 HP Force Engine which runs fine when I can start it> How ever I had a rebuilt ... A: If the starter was not rebuilt properly you can run into a host of troubles down the line. Make sure ...
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| oil sensor shutdown | 1/18/2008 | Jeff Grigg |
Q: I have a 1997 175hp Johnson outboard. After running the motor hard for less than 3-5 minutes the ... A: Are there any alarms? Your engine may be going into a "protect mode". It can be triggered from the ...
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| Outboard motor cooling system operation | 1/18/2008 | Jeff Grigg |
Q: I own a 1984 9.9hp Yamaha outboard for my 1984 Hunter 25.5 sailboat. Often the telltale stream of ... A: The problem probably isn't in the water pump or the main water tube as they are quite large. More ...
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| Fuel sending unit | 1/18/2008 | Jeff Grigg |
Q: I have 3 wires white, black and gray, which wire goes on top of sending unit, and which other 2 get ... A: Adam those wires are the wrong color code for a fuel sender. You should have a black, red and pink. ...
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| trim draining battery | 1/18/2008 | Jeff Grigg |
Q: my trim motor is draining my battery on the spot, system goes up and down if i keep a charger on the ... A: Joel, I'm not sure what you mean. Are you saying the trim goes up and down by itself? Is that how it ...
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| mariner 40 magnum 97 | 1/17/2008 | Jeff Grigg |
Q: my tilt is acting up theres power going to it because when i press the button i hear a clicking ... A: If you hear clicking but the trim is not working check the relays or solenoid which ever one you ...
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| Crusader | 1/17/2008 | Jeff Grigg |
Q: I replaced the starter on my crusader 350 recently and it worked great. Did not crank it for awhile ... A: If the battery terminal is getting that hot one of a few things is happening. The connection on the ...
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| Replacing throttle mechanism and large amount of smoke | 1/17/2008 | Jeff Grigg |
Q: Jeff I am considering purchasing a 1988 Stratos with a 150HP mariner, but it seems to need some ... A: Dan, it is a 20 year old motor. The compression is kind of uneven, it may be sticking rings. Some ...
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| Outboard motor cooling system operation | 1/17/2008 | Jeff Grigg |
Q: I own a 1984 9.9hp Yamaha outboard for my 1984 Hunter 25.5 sailboat. Often the telltale stream of ... A: Most service manuals have the information you need about the cooling system. The slightest piece of ...
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| torque pulls boat to the left | 1/16/2008 | Jeff Grigg |
Q: I have an '01 (model J25TELSIS) 25 hp Johnson that does not have a trim tab. Internet diagrams show ... A: Your motor should have a trim tab, you will need to use it to counter the torque. You can pick one ...
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| i/o steering play | 1/16/2008 | Jeff Grigg |
Q: hey, i have a 99 26'seamaster w/a with an merc 350/alpha 1 setup. For some reason or another i have ... A: Joe your best bet is to take the boat to a good servicing shop. You could have slop in the outdrive, ...
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| Johnson 115 V4 O/B | 1/15/2008 | Jeff Grigg |
Q: I'm looking at buying a Larson 186 SEI which is fitted with a Johnson 115 V4 outboard motor, both ... A: I would never buy a boat with anything but the most minor of problems. You could have a motor ...
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| mercruiser out drive | 1/15/2008 | Jeff Grigg |
Q: I bought a 1993 30'Sea Ray with twin mercruisers. Both outdrives lost the anode on the lower gear ... A: If you are careful you can pull the carrier. You will need a cover nut tool and probably a torch as ...
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| Zodiac boat repair | 1/15/2008 | Jeff Grigg |
Q: We have a 15 ft Zodiac made in the 1980's. The transom is becoming pulled away from the boat. I ... A: Maureen, whether it is worth it or not would be your decision. One of the leading problems with ...
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