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  1. Alumarine

    Atwood surge coupler welded on Prestige trailer

    I did the same but drilled holes and bolted the new one on.
  2. Alumarine

    1974 Starcraft 18' runabout w/3.0 140HP 4-cyl. *So many Questions*

    1. There's a removable block on the port side of the front motor mount that allows you to change the belt. No need to block or jack it. It's a 10 minute job. As nola mike said put a spare in there as well. As far as trim tabs go, I use them on my 18 footer and others do as well.
  3. Alumarine

    Connect Battery

    Welcome, you're going to have to follow it and see what it does. I might check all of them.
  4. Alumarine

    Nautius Smart Trim Tabs

    These work better for correcting a constant list. If people move around the tabs will have to be adjusted manually which is not practical on the water. I installed them on my Sylvan to correct a list caused by having my fuel tank and kicker on the port side. It worked very well for that. I...
  5. Alumarine

    Safe to tow with bow not resting on front roller?

    Definitely tighten it up before towing 500 miles. As racerone said you should be able to do it on land. As far as reversing the strap, it will take 5 minutes to find out.
  6. Alumarine

    1980 mercury 50hp carby

    I had plastic grates on mine but ran it without them. Some fuel can leak out of the carbs if you pump the bulb too much. As long as that's the only time it leaks it should be fine.
  7. Alumarine

    85 four winns santara prop

    Are you sure your tach is ok? 25 mph at 2000rpm doesn't seem right. Did you check that speed with a gps?
  8. Alumarine

    1990 mercruiser 3.0 harmonic balancer coming off

    The pulley above it doesn't have bearings but what it attaches to might. I think it's the water pump. You have to find out why it's wobbling. You can get the balancer from an auto parts store. You can try GM #'s 03826280 or 3826280 or 03826292 and see if those match up.
  9. Alumarine

    1990 mercruiser 3.0 harmonic balancer coming off

    Was it the outer part that was out of alignment or the part on the crankshaft? In either case they don't tend to cause trouble when they're ok.
  10. Alumarine

    1990 mercruiser 3.0 harmonic balancer coming off

    Are you sure it's coming off the snout or is it the outer part of the balancer that is separating from the rubber part? As Bondo said it's pressed on and you will need a harmonic balancer puller to remove it.
  11. Alumarine

    trying to find the model for a 1975? 18' open bow

    I thought they were rated for a 140?
  12. Alumarine

    1994 Century 2100 dual console

    Welcome. If you mean a water separating fuel filter you will have to follow the fuel line from the motor to the fuel tank. It will probably look like an oil filter.
  13. Alumarine

    Vortec 350 5.7 Mercruiser Build

    I always put grip tape on my boat and car oil filters as often there isn't enough room to get a wrench on them. Stole that idea from Fram.
  14. Alumarine

    Is this old Sylvan a good deal?

    How much weight would there be with the 3 adults, gear and coolers etc?
  15. Alumarine

    Is this old Sylvan a good deal?

    Looks good but will a 45hp be big enough?
  16. Alumarine

    TDC0 on Merc 140, while engine in boat

    On that motor with the plugs out you can put a socket on the alternator nut to rotate the motor. You might have to put tension on the belt.
  17. Alumarine

    Questions in towing my 2016 H190

    I keep mine very tight to stop any bounce. The bow chain Tie Down has is only 3/16" so maybe 1000lbs? It's an added safety to keep the boat on the trailer if the winch strap fails or you forget to attach the winch strap.
  18. Alumarine

    What size drag link socket

    The one AD linked to uses 3/8 sockets so you could get a bigger bit if you wanted. I bought one like that 50 years ago and while I don't use it often it's saved my butt many times.
  19. Alumarine

    Battery on I/O

    Does the water not drain out of that compartment? A bit or even a lot of water shouldn't bother the batteries. You could use the cover from one of those generic plastic battery boxes to cover the top.
  20. Alumarine

    Oil Leak

    Yes, there should be a seal on the plug.
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