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  1. 9

    prop nut tightening

    Hi, is using a 2x4 wood block as a jam work to torque the prop nut or is this a big no no?
  2. 9

    bravo 1 outdrive o-ring adhesive

    Hi, is contact cement or adhesive what I want to use when replacing the o ring seals at shift, remote oil, and exhaust connections on the outdrive for re assembly. Not sure if there is a difference between 3m adhesive and a jar of dap contact cement other than the name. I have 3m spray 90 but...
  3. 9

    outdrive primer paint

    hello, I have some 2 part epoxy primer for automotive and wonder if this is acceptable to use on my bravo outdrive . thanks jim
  4. 9

    bravo1 outdrive trim tab

    Hello again, What is the purpose of the trim tab just above and trailing the prop on the bravo drive. It bolts through the fin just above the prop. Unpainted thanks jim
  5. 9

    bravo1 gear oil drain plug

    hello, Ive drained my lower unit gear oil on my bravo 1 outdrive and am wondering if I should replace the washers that seal the drain and vent plugs while oil is drained. Not sure if its a good practice or if its not broke dont fix it scenario. thanks jim
  6. 9

    which order to do maintenance

    Hi, Its time to pull the bravo1 lower unit and grease the gimble joint and also do a lower unit oil change. any advise on which to do first? Also can i just drain the oil once the lower unit is pulled away from the stern and refill after bolted back up? thanks jim
  7. 9

    spindle/ hub seal tolerance

    Hello, what is the tolerance or overlap in thousandths of the seal to the spindle diameter? thanks jim
  8. 9

    oil filter part number

    Hi, Does anyone have a oil filter number for a mercruiser 454 mag 1990 vintage thanks jim
  9. 9

    hub dust cap

    I need to replace my hub dust caps and want to go to the rubber plug center style for periodic inspections but wanted the audiences review of this style cap vs the standard solid cap with no rubber plug in the center. The current caps wont stay in place after i pulled them off for an inspection...
  10. 9

    which caulking is acceptable

    Hi. when I go to reinstall screws to attach a bracket on the outter face of my transom on my fiberglass boat which of these caulking choices is best to leak seal butyl rtv silicone marine silicone thanks jim
  11. 9

    trim tab hose repair

    hi, I need to replace a hose on 1of my trim tabs. Im using a boat leveler pump but unsure how to disconnect the hose at the tab. There seems to be a sleeve crimped over the hase at the cylinder. Any ideas? thanks jim
  12. 9

    wheel bearing seals

    Hello, Is it possible or just not recommended to reuse a wheel bearing (back side of hub)seal in order to access the bearing on a boat trailer. Not sure if there is a tool that safely removes a seal without oblong Ing or deforming it thanks jim
  13. 9

    transducer mounting

    Hi, im looking for a transducer that mounts in the hull rather than outside on stern. Are there such available? thanks jim
  14. 9

    oar lock bushings

    Hello, does anyone know of a source for nylon oar locks that are 1/2" ID x 3/4" OD. I can only find 5/8" OD
  15. 9

    which wheel bearing cap

    Hi, I need to replace (4) wheel bearing caps on the boat trailer. I am wondering if the bearing caps with rubber center work when submerged or is it just an unnecessary risk. Otherwise I guess the bearing buddy is just what to buy. Any input? thanks jim
  16. 9

    trailer tires

    hello, My question is about trailer tire ratings, and choice. I used to run the nanco bias d rated tires (14"-75) on a tandem trailer, but I slowly went to a radial tire by tire.The radial wears much better. Unfortunately they are a c rating. The boat weighs 4400 lb approx loaded and Im...
  17. 9

    454 carb question

    Hi, any thoughts on how I should proceed on this problem Im having. When the 1990 23 ft 454 naturally aspirated wellcraft bobs in the lake wave action for up to an hr it wont start without full throttle and of course when it does kick over its high rev start.I would just consider hard to start...
  18. 9

    cooling bypass tee at stat

    Im working on a 1990 7.4 mag merc IO. How much pressure should the 2 nylon spring loaded balls have against the thermostat housing ? currently they touch the housing with the least amount of pressure. I was worried of over loading the spring pressure. I am currently eliminating sources for...
  19. 9

    breakiing down a CI exhaust manifold

    Hi, I need to verify that I don't have a blockage in the cast elbow that is threaded into the bottom of the manifold. I wonder what the chances are that the elbow will simply snap when I try to remove ? Not sure if the plug on top is worth trying to remove or do they basically freeze up also...
  20. 9

    bravo 1 water pick up

    hi, What would be the best way to do an inspection for any obstruction in the water hose from the lower unit to the hose connection at the transom in the boat . this boat is a1990 wellcraft nova with 454 and bravo 1. thanks jim
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