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    What is this in lower unit of Mercury 90hp

    HI Everyone, 1995 Mercury 90hp, 3 cylinder. I"m replacing the pinion gear and forward gear in the lower unit and some parts in there may be missing. In looking at the parts diagram, what is part # 9.. I see that #8 is the ball bearings, but I don't know what it is that they go into (part#9)...
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    2001 Yamaha waverunner GP800R - Mikuni carb question

    2001 Yamaha Waverunner GP800R. 2 cylinder, so twin Mikuni carbs. In the middle of the carbs (outlined with the red box) is something that when I pump the gas lever, it squirts gas into the top of the carb's body (yellow arrows -- the fuel lines are currently disconnected). I have 2 questions. 1...
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    1998 Yamaha Waverunner wiring question - lockout code

    1998 Yamaha Waverunner XL 1200. The instrument panel does not work at all. The screen is broken and it is completely useless. I've been having starting issues with the ski whereas nothing happens when you hit the start button. Start button is fine, starter is fine, starter solenoid is...
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    blocking off oil pump - 1998 Yamaha Waverunner XL 1200

    I've been reading about blocking off the oil pump and just using pre-mix. I'm not trying to start a debate on whether or not to do that, but I have a general question.. What happens if you just let the oil tank run out of oil and then use your own premix? Will it harm some sort of vacuum...
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    Fuel pumps

    1996 Evinrude 112spl. I always use non-ethanol gas. I rebuild my fuel pump about 2 years ago and now it is leaking all over the place. The screws that hold it together are still tight, so they didn't come loose. So, I'm wondering, how often should this realistically need to be rebuilt? I've...
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    Power Pack failures

    1996 Evinrude 112 hp spl. Does a power pack typically gradually fail or fail suddenly leaving no spark at all? How about the stator? My motor has no spark and I'm trying to diagnose the issue. I'm new to outboards (always had I/Os). If I'm understanding this right, the electrical route is...
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    1996 Evinrude 112 spl - no spark

    Yesterday afternoon, it was running perfectly. Just as it was over the weekend. 1996 Evinrude 112 spl. I get to a dock to pick up a friend and turned off the motor. I took the key out of the ignition, which was rare because I always leave the key in (I bring that up because it is the only...
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    Steering too easy to turn

    Yes, this is a weird topic. Teleflex steering on a 112hp Evinrude outboard. My steering seems to be too easy to turn (too easy! is there such a thing?), but, because of that, the boat pulls really hard to the right, even when I adjust the little skeg thingy above the prop. Any thoughts?
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    Lower shift cable boot replacement - does outdrive have to come off?

    Hi Everyone, I hate asking something as simple as this, and it really isn't that hard to take the outdrive on and off, but I was curious: Alpha One, Gen1. I only need to change the shift cable boot. The U-joint bellow is new and I should've replaced the shift boot while I was in there...
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    B.O.A.T. - Break Out Another .....What was the last amout you paid for a repair?

    We all know the saying "Boat = Break out another thousand". But, realistically, what was the amount that you paid for your last repair? Who did the repair? You? The shop? Who diagnosed it? You? The Shop? The helpful posters on iboats? My example: 3.0 liter Mercruiser, Alpha One. One time...
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    What is the easiest way to find my subscriptions?

    The old site had a drop down button I'd click "quick links" and then I'd just him "my subscriptions" or something like that. What is everyone doing on this new format to quickly get to their subscriptions. Just wondering if there an easier way that what I've been doing (through my profile).
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    U-Joint stress -- what's the difference between.....

    I was watching an instructional youtube video that I'd come across in another post (not a good video) and a lot of comments were criticizing the poster for running his engine with the drive up. It got me thinking .... what is the difference between running your engine with the drive up and...
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    Black wire coming out of bottom of Thunderbolt distributor - where does it go?

    1985 Mercruiser 5.7 liter/260 horsepower. Thunderbolt ignition. I'm not getting spark. I don't know if this is the problem, but in looking around the distributor, I found that there are 3 wires that come out of it. 2 that I believe go to the coil and 1 single black wire that looks like it...
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    Will this triple groove lower crankshaft pulley replace mine?

    Mine is a 1985 Mercruiser 5.7 liter. My crankshaft pulley is getting rusty and is chewing through belts. I've already sanded it and painted it a year ago and it's getting too far gone. Will this one replace mine? In pictures, it looks identical. Small Block Chevy SWP Aluminum Triple Groove...
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    Is the power steering cooler necessary?

    Hey everyone, 1985, 5.7 liter Mercruiser. I am replacing the low pressure hose (one that has a clamp on the power steering side of it) and it goes from the power string ram into a little cylinder-like catalytic converter looking thing (power steering cooler), then connects from the cooler to...
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    Gimbal housing/bell housing/Y-pipe generation

    Hey everyone. 1985 Mercruiser Alpha One, Generation one. My current Y-pipe is the one that has the staggered top bolts, and it matches my Gimbal housing. I need to change my entire transom assembly. I also own a Y-pipe that is newer and does not have the staggered bolt pattern on the top of...
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    Anyone find a cheap subsitute for plywood that won't rot (like starboard, but cheap)

    Hey everyone, I want to make some new cushions for a project boat that I took on. I don't want to use marine plywood, I want something plastic-like that won't rot, like starboard. But, starboard is expensive. I know that home building products have improved and now you can buy various...
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    Swivel Shaft/Steering lever access hole in the gimbal ring

    Hey everyone, (alpha one, gen one) I have a question about the gimbal housing access plug, shown here in my photo. I see that it is used to better access the Swivel Shaft and Shift Lever. My question is? How come they don?t have you drill an access hole on the top too and not just the sides...
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    Major Blow By Issues

    1989 Mercruiser 3.0 Liter. Long story short, the boat was running real bad at higher RPM's, I noticed some oil in the flame arrestor, so I did a compression check and my compression was great and consistent on all 4 cylinders. So, I took it for another test drive to see if it was maybe...
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    Mercruiser tilt/trim question and my own personal rant

    Ok, 1996 Mercruiser 5.7 alpha. Typical tilt trim motor. 1. My rant. Why is a tilt trim system made so complicated with relays and such. The motor itself has 3 wires to it. 2. My question, can you just make sure that the motor is grounded and then run the other 2 wires (green and blue??)...
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