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    Boat sitting in slip caught fire, then set this one on fire

    I talked to owner, is an Italian made boat. Says they think was due to an electrical fault. This occurred in Poquoson Va, insurance will total it. In the link, can see it sitting next to the restaurant in first slip. VIDEO: Boat fire at Poquoson marina damages two other vessels Firefighters put...
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    Friends older 1983 Tiarra has phase separation on the starboard tank

    I told him to pull the diptube out of the aluminum tank and drop a 3/8 copper tube down the hole. Then use a pulse electric pump to pump out 65 gallons of bad gas. He has couple 5 gallon fuel cans, and can dump the bad gas at the Newport News dump. Aluminum tank holds 100 gallons, and shaped...
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    Mercruiser 260 350v8 choke spring? Different clocked positions

    I see a lot of potential ones to buy. They can have the rod eyelet clocked all over the place, which one is right one to get? Carb is the Quadrajet, and the attaching screw rusted and snapped that holds choke thermostat on the intake. Has to be drilled and tapped, anyone done this? example 1 NOS...
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    Is this fuel pump oil switch NO, and 1/8" NPT thread?

    https://powerboatsupply.com/uncategorized-mercury-parts/oem-quicksilver-mercury-fuel-pump-oil-pressure-switch-87-864252a01-8m0210755/ Anyone know what oil pressure activates it to closed? Is there a cheaper price somewhere?
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    How to clean the coolant side of a Sen-Dure heat exchanger?

    It has a coating of slightly sticky dirt which I can scrape off with a finger nail This is the coolant side of the unit, not the raw water side. Looking down into the coolant side exit there is this buildup on the tubes, which I scraped off with a fingernail. It is very soft, not scale. Whole...
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    What difference between 8 versus 10 vane impellers?

    Why have 8 or 10? Same dimensional size either works in the same pump. I just tried a 10 vane instead of 8 and it works fine that I can tell. Jabsco 920-0001 are 8 vane Jabsco 17937‐0001 are 10 vane...
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    After dropping exhaust manifold to replace starter, I forgot to turn the raw water valve back on!

    Motor started and its running, don't notice anything off. After a few minutes looking at temp gauges it was running higher than normal. Then I saw the exhaust was blowing bluish smoke, and I though what is wrong now. Then it hit me, forgot to open the valve. The smoke was exhaust gas burning...
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    After 2 failed Pertronix ignitors, I put in points and it runs again

    First Ignitor I did last over 10 years. Then went to start up and nothing. Discovered had no spark. So few days ago, I bought a replacement Ignitor II, worked about 15 minutes then dead, no spark. Reconnected wires, It worked, left for the day. Today went to boat, no spark Ignitor II is dead...
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    Curious, how are old boats disposed of that marinas refuse to haul out?

    I am talking of sizes not trailer-able. Like 35 to 50 foot boats? Boats all get old enough eventually they are no longer usable.
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    Of these two Delco engine starters, which one is more powerful or are they the same?

    Both marine starters. Same rotation. Black one off a MerCruiser 260 inboard 1980's Blue one from an IH 392 1970 I rebuilt the black one as a backup The blue one got wet and needs to be cleaned up inside to work again. They have a different shape on the housing for the armature...
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    Repaired an electric Facet fuel pump 40288 check valve which is why it quit pumping, no lift left

    I also ordered a 40109 which is bigger and better IMO than the 40288. Pump would not prime itself. The builtin check valve failed. It must be perfect or it leaks back on every throw of the plunger. Unscrew the long nut on the inlet. Inside is a brass - rubber check valve with tiny spring which...
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    Bilge pump switch experiences, good and bad

    I have found so far just one switch seems fairly reliable the Johnson Pump 36152 Electro Magnetic Float Switch 12V, 15A. I have 2, bought another yesterday. I like the design better as it has no moving parts into the electronics. My experiences have been rather negative with pump switches...
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    oil pressure sending units dual station SW gauges, exists any single station sender can work?

    Checking prices on senders, all typical dual station are twice the prices. And I think I need 2 senders as I have 2 engines What sender numbers will work or what senders can be made to work with some electric mods. Found a PDF on various ohms of senders...
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    Velvet drive 72c with gear reduction submerged. Will water get into it?

    It was totally submerged for a day. If water gets in, can I suck it out thru the large fill plug? What oil and how much for these trans?
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    GM 350, Mercruiser MIE 260, the spark coil arcs over to the coil nuts a lot

    I saw it when finally getting engine running again. Frequent arc overs out the coil top. Also touching it may give you shocks. I wrapped electric tape around the wire and the plastic coil top and it helped a lot, but still may arc over. This engine has thunderbolt ignition, engine is 1984. Does...
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    Which way does a Mercruiser MIE 260 distributor spin?

    Guy I am helping changed starter. The distributor turns CCW right now, and motor turns CW when standing in front of the engine pulleys. Engine is on the PORT (left) side in the boat made in 1984 This is the distributor...
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    1984 Mercruiser GM 350 engine no start, not even trying to fire

    Beginning to wonder if valves are stuck open. Engine is portside, so should be standard rotation. Distributor turns CCW, is that correct? And what is the firing order? 1-8-4-3-6-5-7-2 ? What is compression range for GM 350 MCIE 260 Mercruiser? What is the spark timing? I pulled wires and took...
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    MerCruiser 260 Flame arrestor fitment with a bracket?

    We can't figure out how the bracket matches up to the top cover within which is the flame arrestor. No orientation puts the rubber bumper into what looks like the support hole. Twin 350 V8 engines in a 28 Tiara Pursuit mid 80's model boat. The angled bracket is bolted on to the throttle cable...
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    Does ACR exist to charge start battery bank only if the volts drop below 12.45?

    I have been thinking as to why charge the start battery bank all the time even on a small charge, it is not needed. And if the charger has issues, the start bank can be overcharged. So does an ACR exist that would allow charging like below 12.45 and stop charging when volts are fully charged...
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    30185A3 Bayonet assembly male fuel line connector, how to assemble?

    I bought this as new old stock in a sealed bag. I sort of know how it should fit together. But, the spring retainer aluminum ring is a loose fit in the male body. How is this supposed to be put together?
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