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    Serial Number Location

    Hello, I have a GM Inline 6cyl 250ci....from the mid to late 60's, mercruiser set-up. Where can I find the serial number on the block? Thanks, Robert
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    Can you identify these shift/throttle cables????

    The picture is not that great but maybe by looking at the end someone could tell me what kind they are? These are shift and throttle cables for 1966 Mercruiser I/O. Thanks [/IMG][/IMG] [/IMG] [/IMG]
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    It's that time again, well, at least here in Texas -- Getting her ready for Spring!

    At the end of last summer I was out on Galveston bay and the throttle/shifter control handle fell apart. This is a single lever setup that controls both throttle and shifting. The pins in the control housing containing the rotors jammed and snapped causing the entire mechanism to fail. At the...
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    Belt Replacement / Removal Question

    I have a GM Inline 6cyl (L6) 250 cid. The belt that goes around the alternator, crankshaft, and water pump pulley?s disintegrated...do I need to take the front engine mount bolt out and jack up the front of the motor to put the new one on? It looks as if that's the only way, wanted to make sure...
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    WOT Issues

    I just got my boat out of the shop...I thought I fried my engine, but the problem was that the starter was not shimmed correctly. They corrected that issue and checked the outdrive and water system out. Everything looked good, water moving like it should (small leak coming out of thermostat...
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    Water Pump --- What's the difference?

    Hello, I hear the bearing going out on the water pump in the engine. It is an old 1960's Chevrolet 250 c.i. inline 6 cylinder. My question is, will the water pump from you local AutoZone be the same as the one in my marine inline 6? Is there a different pump for marine applications? The...
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    I THINK I FINALLY KILLED IT!!!!!! Engine Seized????

    I was out in Galveston bay....put in a new impellar but was suspect of a possible clog in the cooling system. I installed a new temp guage, could not find a new temp sender so I kept the original in. Started engine with muffs...never seemed to go above 140. Water was flowing from outdrive, and...
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    Thermostat Housing Issue

    Hello again, Last night I proceeded to take the manifold housing apart so I could clean it out with a wire brush....I noticed a silicone type substance all around the base of the housing. When I put the housing back together and started to bolt the two bolts down...the one on the left slips...
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    Outdrive Gear oil Gray and thick!

    Hello, I just bought this boat. I took it out a couple of times and it was running hot. At least that was what the gauge said. This is a Pre-Alpha Drive S/N 2461435. The outdrive is hooked to a GM inline 6 cyl. 160HP which is sitting in a 1966 John Allmand cabin cruiser. I found an...
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    Lose engine power and throttle when in water

    Hello again, I seem to lose power while in the water. When I run the boat while its out of the water I can throttle to very high rpm's, but when the boat is in the water, it seems to bog down and throttle only halfway. Can't get it to plane at all.... Anybody heard of this before? Thanks
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    Submersible Lighting Alternative?

    I have been researching underwater lighting for my boat. I can only find these $500-$1000 LED lights. It just seems silly to spend that much on lighting. Are there any alternatives to these LED's, something way cheaper? Actually, I would like a 12v submersible drop style light that I could...
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    Pre-Alpha Impeller replacement - R Outdrive

    Hello, I purchased a new impeller kit for my 1966 pre-alpha Mercruiser R Outdrive. Anyone know where I can get a video or photographic guide on replacing the impeller..I am new to boating and have no idea where to start. I will also take typed instructions as well...Is there two different...
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    Depth finder/ GPS/ Sonar

    I am trying to decide on a depth finder. My usual boating activites include Galveston bay fishing (shallow), fishing in the ship channel, and off the jetties. Most likely never going out further than 30 miles off shore. A great majority of the time I would be in and around the bay...
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    110V AC Outlet Question

    How would I go about adding a 110V AC outlet in my boat...(I am not talking about shore power). I would like to run a very small 110 ac, and have a spot to plug in other AC gadgets. Would I need a power inverter for this? Is it possible to run a 110 A/C off of a 110 outlet connected to an...
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    Wiring Nightmare for a beginner.....

    Ok. I am restoring a 1966 23ft John Allmand Cabin Cruiser. I have put a new steering cable, hardware, a repaired the throttle cables so far. My next task is to do some wiring. Most of my switches on the dash board do not work (blower, bilge, and horn). However, the anchor light switch and bow...
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    Need Help Identifying Steering Set-up

    Hello, I have a 1966 John Allmand 23' Cabin Cruiser with a I/O Merc. The steering cable busted through the sleeve and bunches up when you turn the wheel. I obviously need a new cable. But I am trying to figure out what system I have....I think I have a rotary system. I have removed the...
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