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    thermostat housing

    Hi.My question is as soon as I start my Mercruiser 3.0 motor, water comes out of the exhaust.Should it take a few minutes to warm up to operating temp before water exits the motor?The thermostat is new and the he thermostat housing does look a little corroded.where the gasket sits.Thanks in...
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    Speedway gas

    Hi. Just wondering if anyone uses speedway gas? I have a mercruiser 3.0 any was wondering if speedway gas was ok for it. Thanks
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    engine compartment venting

    Hi. Basic question. Im installing a new vent fan for bilge.. There was always just one vent back there. I have a 17'bowrider with a 3.0 Mercruiser.Should I attach another hose for fresh air and where should I place the end?Middle of engine or down towards the bottom? Thanks in advance
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    Mercruiser fuel pump

    Hi. I have a 1997 campion bow rider with a mercruiser 3.0 engine. It's running rough at idle, and some post say check the filter in the fuel pump. My question is will a clogged fuel pump filter also cause hard staring when the engine is warm? It starts right up when it's cold, but hard starting...
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    3.0 ignition coil

    Hi I have a1997 Campion boat with a Mercruiser 3.0 and lately, when it first goes into the water, she starts right up. When warm, hard starting. I got in home and when I went to wash out engine out hard starting again. the ignition coil looks old and rusted. I touched the side of it and it...
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    purple wire ID

    Hi I was wondering what the purple/white wire by my battery terminal does and should that be hooked up to positive or negative? Thanks
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    wire by gas fill neck

    Hi. I have a 17' bowrider and I noticed that there is a black wire by the gas fill neck that is not hooked up in the engine compartment . Should i hook that up to the neck somehow right away or is it ok with it not being connected? thanks in advanced
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    vibration

    Hi. I have a 1997 17' bowrider with a 3.0 mercruiser engine and an alpha one outdrive. I noticed yesterday that while just cruising around..under 10 mph...it felt like the boat had a bad vibration starting.any ideals? could it be the universals going bad? thanks in advance
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    hard starting

    Hi. I have a 17' bowrider with a 3.0 Mercruiser engine. It has a carb that was recently rebuilt. I trailer it to my local launch site. Seams like every time I launch it, I set the choke, pump it twice and it starts right up. After driving it for a while, I'll shut it off for crabbing or...
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    question about mercruiser out drive.

    Hi. I have a 17' Campion bowrider with a 3.0 Mercruiser Engine. Earlier this spring, I installed a new impeller for the water pump. No problems. Today I noticed some gear oil leaking down the bottom of the skeg from the two weep holes right by the nuts that hold the drive on. Any ideals why its...
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    3.0 runs rough

    Hi. I have a 1997 Campion bowrider with a 3.0 Mercruiser engine. Last week wife and I took it out for first ride of the season and had no problems at all. Really ran nice. Took it out today and it ran rough right from the start. Didn't want to idle and shook...like it had a miss in it.Could the...
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    water out the exhaust

    Hi. I just installed a new impeller in my Alpha 1 Gen two sterndrive. I noticed that the water from the muffs is coming out the starboard side of the transom and the prop. Is this normal? Thanks
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    winterizing boat.

    Hi. I'm sure this has been asked before, but this weekend i'm going to winterize my boat. When i warm up the engine,should I first run water through the stern drive to open up the thermostat? Should i just let the engine get to operating temp without water to open the thermostat? Also,how much...
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    3.0 prop.

    Hi. I recently hit a piece of concrete or a rock while i was coming into the boat launch. The prop is bent on one of the fins pretty bad. It's aluminum. I want to replace the 3 blade prop with a 4 blade prop. Currently, the prop is a 3 blade 14X23. I'm looking at a 4 blade 14X19 prop because i'm...
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    Mercruiser prop

    Hi. I have a 1997 3.0 mercruiser with a alpha one Sterndrive. this morning when i was bringing it in, my prop hit what seams to be a rock or concrete. The prop has a few gouges and nicks in it. My question is this,how much free play should be in the prop....in and out.....and are there bearings...
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    warm up time

    Hi. I recently purchased a 1997 boat with a 3.0 mercruiser engine in it. It has a carb. How much time should i let it warm up before I head out with it? When it's warmed up,it runs fine. When it's not warmed up enough, it stalls out when I put it in gear. Also, any ideals about warming it up...
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    3.0 fuel pump bolts

    Hi. I have a 1997 3.0 mercruiser,and I think I have a oil leak coming from the bottom of the fuel pump. does anyone know how much torque the bolts should have? I dont want to over torque them. Thanks in advance.
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    diagram for motor mounts.

    Hi. Can anyone tell me where I can find a diagram for rear motor mounts on my 3.0 Mercruiser...1997. How can you tell if they need to be replaced? Thanks.
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    oil in bilge.

    Hi. I have a 1997 3.0 mercruiser that just had a new timing cover put on due to oil leak. The mechanic checked the engine over and underneath with mirrors and swore he got the oil leak taking care of. i have used the boat 4 or 5 times since then,and everytime after i bring it home,I find a...
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    running blower.

    Hi. If I stop for about a half hour to fish,should i always run the blower first before i restart? Will that help it start up easier without a lot of cranking? I have a 3.0 mercruiser with a carb. Not sure if I should pump the throtle first before I crank it. Any Ideals would be appreciated. Thanks.
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