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    Alternator wiring

    I have a 1997 Larson with a4.3L gl engine. I am wondering if my tach is wired to my alternator My wires are purples and white to terminal P. Then green to terminal L2. Another purple to exc pigtailed to S. And an orange to main + and a black to neg. I am wanting to change to a higher...
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    Exhaust Bellow

    I have a 1997 sx cobra outdrive. At the end of Last summer I had the muffs on and engine running and I noticed water coming out of the exhaust bellow, maybe I never noticed it before. But is that normal? I have looked for a new bellow and the ones I found are said to be a new design that...
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    78 70 hp Evinrude help please

    I need a little help. My dad has a 70 hp Evinrude that is hard to start and when it starts on muffs it idles. When we try it in the water it dies the instant I put it into gear. We had the fuel pump replaced but it didn't help I replaced all 3 carbs with different carbs from a motor I have...
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    Alternator swap. Help

    I have a 1997 Larson with a 4.3GL. the factory alternator is only 65amps. It can't keep up with the stereo I have in the boat, when the bass hits the amp gauge almost bottoms out and if I play the stereo turned up high for very long all the lights start to dim with each beat of the bass. I...
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    VP trim sensor for 1997 SX cobra drive

    I am wondering if a trim sensor from say an OMC outdrive or Mercrusier outdrive would be the same. I am using my boat without the trim gauge working. And its ok but when i first got the boat. A Larson 186SEi 1997 The gauge worked but would jump around a lot. Now it is stuck in the full...
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    Points gap

    Can someone tell me what the gap should be on the points on a 1982 AQ125 The boat was running last year when parked and now this year it has no spark. I am thinking maybe the coil went out. This is actually my brother's boat. He pulled the points and cleaned the contacts not thinking that...
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    Marine Gear oil

    I have a question about what the API GL-5 means in reference to rating of gear oil. I found in the service manual for my boats lower unit that I need to put oil with an API GL-5 rating in it. Does that mean it is marine or what? The lower unit on my boat is a Cobra SX 1997 model
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    1978 70 hp Evinrude lower unit oil

    I just need to know what weight oil to put into the lower unit and also how much? I think a quart will be enough but just wanted to ask the experts on iboats for the right answer to my questions.
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    Volvo penta 4.3l GL camshaft

    Is the camshaft the same for an engine with a 2 barrel carb as the same engine with a 4 barrel carb? I have been told the cam is different so to change the intake and carb from a 2 barrel to a 4 barrel without changing the camshaft would be a big waste.
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    U-Joint replacements

    I found an old thread that lists automotive u-joint that work for a mercruiser alpha One gen. II outdrive. And it gives part numbers. I have a 1997 volvo/penta SX-c1 1:85 outdrive. Would the same u-joints work in mine. if not does any one have part numbers for my v/p outdrive ? Sorry I...
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    Not my gimbal bearing making noise

    I have a 1997 Larson the engine is 4.3 GL PLKD my question is when I turn left or right I hear a roar. I have had the u-joints and Gimbal bearing checked. Neither one are bad. I have now noticed that when u turn the steering wheel I can see the steering cylinders moving up and down and in and...
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    Roar from outdrive when turning

    Can a roaring from the outdrive on a SX cobra be the U-joints or does it definantly mean the gimbal bearing is going out?
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    Water temp?

    I am having trouble finding out what temp my engine should run during regular use. My engine is a Volvo/penta 4.3GL PLKD Numbers are 4110152461. And another number is 3868618. It is going to 175. I am wondering if that would be consistent with having a 160 thermostat ?
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    Water flow

    I have a 1997 Volvo/Penta 4.3L V6. Does anyone have a diagram of how the water circulates thru this engine. It has a raw water cooling system. Also it has a thermostat built into the thermostat housing on top of the intake manifold appears to control the flow the the exhaust system. What temp...
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    Carb type

    Can someone explain the difference between an automotive Holley carb versus a marine Holley carb?
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    Slight vibration

    First I have a Volvo sx cobra outdrive. When idle and the drive is lifted. I hear a clacking sound. When drive is lowered to normal run position sound is gone. When I lower drive to full down position to take off all is good. Once up on plane if I leave drive all the way down I feel I...
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    Tank size

    I have a 1997 Larson 186 SEI. Can anyone tell me what capacity gas tank happens to be?
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    Trim gauge issues

    I have a 1997 Larson with a cobra SX outdrive. Recently the trim gauge is acting crazy. It works one minute then the next it is jumping from full up position to full down the at times it works fine the after a bit of jumping up and down it will peg all the way up. I have moved every wire I can...
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    2 barrel carb change to Throttle Body Injection

    I have a 1997 Larson with a 4.3L V6. It has a 2 barrel carb and I am wondering how hard it would be to change it to TBI. I have a 1995 4.3L with TBI in a chevy blazer. Just curious what would be involved and what kind of performance gains I would get from the change or would it be better to just...
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    2 barrel carb change to Throttle Body Injection

    I have a 1997 Larson with a 4.3L V6. It has a 2 barrel carb and I am wondering how hard it would be to change it to TBI. I have a 1995 4.3L with TBI in a chevy blazer. Just curious what would be involved and what kind of performance gains I would get from the change or would it be better to...
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