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  1. Alumarine

    Towing more than capacity?

    Is the boat 30 feet or the length of the trailer and boat 30 feet?
  2. Alumarine

    1976 Honda 7.5hp has no spark after impeller change.

    On my 1981 7.5hp I have a neutral safety switch at the front of the motor under the cowl that is activated by the shift lever. Maybe the older ones don't. The spark is very hard to see. I have to check mine with the lights off in the garage.
  3. Alumarine

    3.0L hard starting

    If that 12.4 volts is accurate it means the batteries are either weak or not fully charged. They should be 12.6 volts. You should be able to get them load tested at a parts store.
  4. Alumarine

    My new to me 1970 18' holiday

    40mph with an 85, is that right?
  5. Alumarine

    What are these holes for in this carbeurator drain manifold

    I think on my older 7.5 one is for the carb drain and the other for the tell tale. Are those holes for a lack of a better term not self sealing?
  6. Alumarine

    Trailer Brakes or Not

    If you put new surge brakes on I'd recommend Free-Backing brake assemblies. They make it easy to back the trailer up without needing to activate a reverse lockout pin or solenoid. Otherwise the weight of the trailer will cause the brakes to engage when backing up.
  7. Alumarine

    Oil pressure sending unit upgrade

    The big one is the pressure sending unit. The smaller one on the right is probably for a low oil pressure alarm if you have one.
  8. Alumarine

    Next project. Free boat.

    Welcome. There's a restoration forum here that you might find helpful. https://forums.iboats.com/forum/boat-restoration-building-and-hull-repair.40/
  9. Alumarine

    Shifting

    Are you testing it with the motor running or turning the prop by hand? If turning the prop by hand then it normally clicks one way when in reverse and clicks the other way when in forward. Did you have the gear selector in forward when you removed the drive? you might get a mod to move this to...
  10. Alumarine

    Boat slow after cleaning

    Normally if trim is causing planing issues you have to trim the prop in towards the transom. Not up towards the sky.
  11. Alumarine

    Help identifying 7.5hp

    It's a Honda 7.5 approximately 1980 give or take 5 or so years. I can't read the serial number which is what you need to get parts or narrow down the year or model.
  12. Alumarine

    Vessel view or gauge

    You can download the app and test it on your tablet. If it's android it's on Google Play as VesselView Mobile. I assume it's available for apple stuff as well.
  13. Alumarine

    Vessel view or gauge

    I know it does water temp and think it does oil pressure. https://www.mercurymarine.com/en/ca/gauges-and-controls/gauges-displays/vesselview-mobile/
  14. Alumarine

    Mercruiser 470 3.7L will the engine have issues without Antifreeze during winter?

    I'd be more concerned about the coolant/oil mix impacting the engine internals, bearings etc..
  15. Alumarine

    trailer tires, sizes, ratings..and switching...

    If the tires currently on it are rated for the load and kept at the proper pressure they will be just fine.
  16. Alumarine

    Proper air pressure for PWC trailer

    Welcome. The max psi stamped on the tire is for the max load they are rated for. What are the tires rated for and what is your total weight?
  17. Alumarine

    Does mercruisier 2.5 have the function of overheat alarm?

    If one was installed, yes. When you turn the key to the run position without starting the motor does an alarm sound?
  18. Alumarine

    oil pan gasket

    Here's some other Felpro info for the 3.0. Oil Pan Gasket Set 17952 w/One-piece rear main bearing seal & One-piece oil pan gskt.; PermaDry molded rubber gskt. incl. Oil Pan Gasket Set 17950 w/Two-piece rear main bearing seal & Four-piece oil pan gskt. Oil Pan Gasket Set 17951 w/Two-piece rear...
  19. Alumarine

    Forgot to trim up while jacking up trailer

    You will be just fine. Don't worry about it at all. When in use it withstands much more force.
  20. Alumarine

    what manual to buy.

    Here you go. http://www.marineengine.com/parts/mercruiser-sterndrive-parts/
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