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  1. dlogvine

    Tachometer calibration and fuel gauges

    I changed the tachometer gauge on a 1984 boat with OMC 3.8L v.6 engine. Had to exchange it once since the first tachometer that I've got through eBay was dead. The other one, medallion B-3150 is working but looks like it shows up RPMs way too high. I can even hear it by the ear, when it is about...
  2. dlogvine

    OMC 3.8 v6 1984 fuel leak

    I finished restoring the Mercedes (Freedom Boat) 1984 with v6 3.8L engine. It had some really weird flame arrestor before, so I tried to use an old flame arrestor from 3.0 Mercruiser engine, It has a slightly smaller flange opening and did not go all the way down to the carb. When I tried to run...
  3. dlogvine

    1993 Mercruiser 5.0 V8 short block assembly

    Im trying to reassemble 1993 V8 5.0 Mercruiser engine. It was rebuild completely, so we started with the camshaft and crankshaft. Then we inserted new pistons with the rings. Both rod and crankshaft bearings were replaced with the new ones. The problem started when I tried to torque the rod...
  4. dlogvine

    Alpha One outdrive housing

    I have a 1993 Mercruiser 5.0L engine with Alpha One outdrive. There is a chipped piece of aluminum on this outdrive, probably from the fin attachment. I found the lower unit for the alpha one outdrive with a good housing (picture is attached). The owner knows only the year of this product 1973...
  5. dlogvine

    Mercruiser 5.0 V8 cranking

    Just got a Larson SEI 200 BR boat. with Mercruiser 5.0 V8 engine. At first thought that the starter does not crank, but when tried to turn the engine manually, realized it was frozen. So I removed the spark plugs, they were pretty rusty, and filled the cylinders with Mystery Marvel Oil. Let it...
  6. dlogvine

    fuel gauge sender replacement

    Im replacing an old fuel gauge sender unit. It is a float on a lever arm, it goes into a fuel tank and is fixed to the tank by 5 screws. The gasket and installation hardware are included in the replacement kit. However, im not sure if i should use some sealant and if yes, what kind. Could not...
  7. dlogvine

    medallion tachometer light bulb socket and wire

    I just got a replacement for my old broken tachometer, the new used one is medallion B-3150. It has a completely different light bulb socket and my old does not fit. Is there any place I can buy the socket adapter and light bulb for this tach? Pictures attached Mod EDIT: Link changed, but...
  8. dlogvine

    OMC 1984 3.8L tachometer wiring

    Tachometer on the 1984 Mercedes (Freedom boat) boat with 3.8L OMC sterndrive is going all the way down to max as soon as I turn the ignition key into on position. I thought about testing the wiring first, since it could be a problem with the short circuit somewhere. However I cannot find any...
  9. dlogvine

    OMC 1984 3.8L engine mounting screws lose

    I have an OMC stringer sterndrive 3.8L 4.3. The screws on the left side mounts are mostly lose and the holes are full of dry rot with rust. I can clean the holes wth a wire brush, but not sure as to how to fix the new screws in the holes. Should I use something like liquid nails or some other...
  10. dlogvine

    Removing Rochester 2barrel carburetor omc v6 1984 drive

    I tried to rebuild a carb on my boat and found out that I cannot remove one of the bolts holding it. The bolt is one of the four holding carb to the engine. It is the one facing the front of the boat on the port side. I was able to put a soccet (I believe it is 1/2") but could not fit the...
  11. dlogvine

    OMC 1984 3.8L engine

    I just got this new old boat, 1984 Mercedes (I believe it is now freedom marine boats) with 3.8L OMC engine. There is a pair of Serial numbers and model numbers on the drive Mod No 382STMRCOM, Ser No J 836439 and the second pair is Mod No 983487, Ser No J 3575..( the last two digits I need to...
  12. dlogvine

    Mercruiser Alpha one trim problem

    I just replaced the oil container for the power trim/tilt pump. It was leaking, so I removed the holding bracket, both oil lines and replaced the reservoir. Then I placed everything back and refilled reservoir, moved the tilt up and down and refilled reservoir again. The trim button appears to...
  13. dlogvine

    trim motor oil in mercruiser 3.0

    I was on the lake today and at first could not drop down my outdrive, noticed that trim motor was buzzing but nothing happened, so i looked at the trim motor oil container and it was almost emptyx first im not 100% sure as to what kind of liquid/oil does it use, common sense says should be...
  14. dlogvine

    1989 force outdrive lower unit replacement

    I just bought a nice lemon on ebay auction. The previous owner who donated the boat claimed the engine was running, just forgot to mention that it was 8 years ago. So the lower unit is corroded and rusted out. It needs to be changed. What is the unit type and brand i need to look for? Are they...
  15. dlogvine

    speedometer or pitot question

    When Ive got my boat, speedometer was not working at all, so I found the same speedometer on the salvage yard and replaced the old one. Replaced speedometer showed up the speed of 10-15mph max even when I was going at about 30-35mph. Id guess that this time the problem is with the pitot or the...
  16. dlogvine

    fuel filling the boat

    It might sound like a stupid question but i wonder how can i determine how full is my tank during the fuel filling. And also i get fuel splashing from the little nozzle on the transom while the tank is not full, is it the indicator that the tank is full?
  17. dlogvine

    rebuilding 2BBL mercarb on mercruiser 3.0L engine

    I did rebuild the carb, mercarb 815396 on mercruise 3.0. When I was removing it I had a problem with disattaching the Fitting fuel inlet from the fuel line that goes from the fuel pump to carburetor. I had to remove the air horn and unscrew the fuel line from the fuel pump to separate the fuel...
  18. dlogvine

    What is a Carburator type in Mecruiser MCM 3.0L engine?

    The engine is Mercruiser model MCM 3.0L serial number 0C860967, boat has an original engine and it is 1990 Bayliner 2050 . I tried to find a carburator's model and serial number but it has nothing on it. So I guess it is mercarb but I still need to find out what carb repair kit should I buy...
  19. dlogvine

    Mercruiser 3.0L engine stalls when getting into high gear and runs roughly on neutral

    I have a 1990 Bayliner Capri 2050. I got it professionally serviced but still got the problem, when it starts and I try to put it into a high gear forward it chokes. Most of the time, especially when I go slow, trying to pull the towable. It does it less when I push the lever faster, but still...
  20. dlogvine

    Bimini top installation on a fiberglass body

    I just bought a Bimini top for my 1990 bayliner 2050. Originally it comes with a cockpit cover that always hits my head when I'm at the steering wheel. I got the hardware for the installation but got stainless steel screws from Home Depot. They are two types , size 8 with 3/4 and 1" lengths...
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