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  1. Bt Doctur

    Can't get serpentine belt back on

    try putting it on the alt pully relax the tensioner and slip it on the alt pully.
  2. Bt Doctur

    Can't get serpentine belt back on

    There is no need to remove any pully to replace a belt. If you have the correct size belt it goes on with no issues. I checked the belt diagram multiple times so I know I'm putting on the right way. https://duckduckgo.com/?t=ffab&q=serpentine+belt+diagram+%2Cmercruiser&atb=v224-1&ia=web Check...
  3. Bt Doctur

    Blue smoke during warmup

    your about 80 psi per cylinder shy of a good motor
  4. Bt Doctur

    Draining engine block - Merc MX 6.2 MPI/Bravo 3

    Ther are clogged after a season. I fill the block and manifolds with AF but even with standard plugs you will find the drains clogged. Sand, silt, rust you name it, Best option is to remove the plugs and probe to insure it drains
  5. Bt Doctur

    Alpha 2 top bearing

    Sounds like you did ok
  6. Bt Doctur

    5.7L 350 - 2003 - MAP/ MPI Horizon - Water Distribution Housing ISSUE

    Their standard plumbing fitting soldered together ,the drain plug button is soldered to the bottom and uses a 1/8 pipe plug. The manifold with the hoses can be replaced with copper tubing or left in place and the hoses just looped or the ends capped
  7. Bt Doctur

    1988 5.0 xl alpha possible engine replacement opinions/cost

    Well, if we knew what motor accessories you also want on the new motor. You should be carb`d so about 2600-3200 for a NEW long block and about 10 hours labor
  8. Bt Doctur

    1974 140/1R outdrive tilt/trim

    I put a jumper wire from the starboard side large terminal on the solenoid to the nearest small terminal. See the attached photo of the solenoid. The pump ran, You activated the up circuit but labored a bit and then there was a “clunk” and hydraulic fluid ran out of the base of the...
  9. Bt Doctur

    5.7L 350 - 2003 - MAP/ MPI Horizon - Water Distribution Housing ISSUE

    click to enlarge
  10. Bt Doctur

    Determine counter engine

    standard and reverse are two different systems ,same with the cases
  11. Bt Doctur

    How can I fix the water leaking at the stern for my boat?

    a bellows leak lets water into the boat from the bellows , a transom leak is something very different, there is an inner and outer housing bolted together with a gasket to form a seal.
  12. Bt Doctur

    EZ Drain Plugs for Exhaust Manifold & Engine Block on 3.0 Mercruiser?

    once you remove the plug a wire/nail/screw is easily inserted to clear the drain Typically the block is 1/4 inch pipe and the manifold is 1/8 inch pipe plugs
  13. Bt Doctur

    Bravo 3 oil fill siezed

    if all else fails ,weld a SS bolt to the fitting.
  14. Bt Doctur

    Is the bilge drain hole to small or am I stupid

    simply raise the hose to inside the boat and install a pump on the end of the hose
  15. Bt Doctur

    new to winterizing inboard Mercruiser

    "350 inboard" meaning a true inboard and no outdrive? per post #6 is the way to go. Some full fresh water cooled systems include the manifolds but not the elbows. Elbows need draining and if no drains a shop vac to blow air into the hose and then fill it with some AF. a "cocktail fuel mix"...
  16. Bt Doctur

    No spark 4.3 Mercruiser

    accessory-center off - 1st position, ign on- 2nd position starter left center off 1 click right 2nd click right
  17. Bt Doctur

    Bravo 1 water pressure issues

    Bravoitis occurs at the transom housing side primarily and rarely at the gimbal side. This is an extreme case click to enlarge
  18. Bt Doctur

    No spark 4.3 Mercruiser

    B=battery power I=purple, ignition S=solenoid, yellow/red slave
  19. Bt Doctur

    How can I fix the water leaking at the stern for my boat?

    There is no "easy button" but there is a death certificate with drowning listed as the cause. Post your next of kin ,please
  20. Bt Doctur

    Bravo 3 prop shaft leaking. How to fix?

    https://duckduckgo.com/?q=bravo+service+manual+in+pdf&t=ffab&atb=v224-1&ia=web
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