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  1. M

    Good Cranking But wouldnt Start

    Mercruiser 1998 5.0 Alpha 1 220 2 Barrel Carb TV ignition Last week i replaced the spark plugs but did not check timing., Idle seemed off but had no time. PCV pressure was about 17 psi on the valve tester. Boat ran ok but not excellent. Last weekend, I changed the oil and oil filter. Removed...
  2. M

    Dropped the boat on ramp, broke lower outdrive

    1999 alpha 1 5.0L 220hp the boat slipped off the trailer too fast and hit some concrete in the ramp, and then water. idled for 10 minutes and noticed some oil or fuel floating intermittently. pulled the boat out of water and noticed large hole on the lower drive and gear oil was emptied...
  3. M

    Share some fluke fishing spots in South Shore LI

    Please, share with me some fluke fishing spots in South Shore LI where I can get on my boat. Any GPS coordinates?
  4. M

    fuel switch wiring problem

    1998 5.0 alpha Engines dies periodically. When i wiggle the wiring to/from the fuel switch that has the purple/yellow wire, the engine stops or it runs continously. If i jump the wires, with the ignition on start position, same thing- if you wiggle the wiring, electric fuel pump runs or...
  5. M

    Electric pump would not energize on start

    1998 Mercruiser 5.0 L mercarb 2bbl my electric fuel pump runs when it is hard-wired directly to the battery so i know it is not broke, but it does not energize when you turn the ignition to on, prior to start. it used to. what is the problem? thanks in advance.
  6. M

    Shifting Problems on Alpha Gen 2

    1998 Alpha 1 gen 2 Merc. 5.0L ( with shift assist assembly?) I changed the shift bellow and therefore had to remove the shift cable. Everything is back in place. When you push in on the drive shift cable using the cable end, the prop is locked when turned CCW. When you pull the drive shift...
  7. M

    Hot Starboard riser

    1999 Alpha 1 5.0L Lasy year I replaced both sides for manifolds, risers and elbows. Had great, cool temperature on both risers last year. Now this year, port riser is cold but the starboard is very warm, but not hot. What could be possible causes of uneven temp between these 2 new risers...
  8. M

    Bad Electric Fuel Pump?

    Alpha 5.0 1999 In dumping fuel last fall, I jumped the purple and yellow/purple wire to operate the fuel pump. Everything went just great. It emptied about 4 gallons from the tank. Now today, first time to run the engine , fuel pump would not energize, engine died every 40-45 seconds...
  9. M

    Hot Exhaust Manifold and Elbow

    1999 Alpha v8 220 hp. I removed the exhaust manifold with the elbow because it was getting so hot. Ran water hose at all openings and passages of the manifold and elbow and all were clear. Water hose from the thermostat to the manifold is also clear. Exhaust pipe shutter is also intact and...
  10. M

    Raw Water Cooling Versus Closed Cooling

    Which of these two types of cooling system is more desirable "overall" having from small block v-8 to big block?
  11. M

    Problems with Leaking Intake Manifold and Gasket

    I have visible signs of rust around the intake manifold. If there's a leak on this part because of the developing rust and a possible leak on the gasket, what kind of engine problems would develop? Thanks.
  12. M

    The spark plug lost its .045 gap

    When I removed the #1 spark plug to detect possible cause of bad engine performance, I noticed that this plug's ground electrode bent down and was now touching the center electrode. The .045 gap was gone. What's the possible cause of this that might be of real concern? Thanks.
  13. M

    Anchoring at Sandy Hook Beach?

    Planning to go to sandy hook, new jersey from jones beach. Can you anchor 100 ft. from the beach area and then take a kayak to get to the beach?
  14. M

    Ways to remove Power Steering Pulley

    1998 Alpha 1 220hp My power steer has a broken area and i couldn't find a place to borrow or even buy the tool. Is there any other way to remove this?Oh, I also need the installation tool. I am just wondering why they could'nt use threaded shaft to make removal and installation simpler.
  15. M

    Schematic of Quicksilver Trim handle

    The Up button on my trim handle does not work so I always use the trailer button to raise the outdrive. The Lower button works. Anyone has any instructions on how to dissassemble the handle so I can check on the contacts on the switch? I want to fix this problem before it migrates to the...
  16. M

    1 Trim Cylinder runs 50% than the other

    I just replaced the starboard power trim cylinder and the port cylinder is about 8 years old. The old, port cylinder moved up and down fast before the installation of the new cylinder but after I put in the new one, it is always lagging behind in movement. I have done the purging of air...
  17. M

    Port Trim cylinder OK, Starboard not OK

    My outdrive moves up and down but only the port trim cylinder is doing this. I removed the s/b cylinder from the outdrive and operated the trim and trailer buttons up and down and still no action. I have the Oildyne pump system. My first time to go out tomorrow. Will it be OK temporarily...
  18. M

    Brake Kit Has to be Replaced Each Year

    I have drum style brake system and I run fresh water each after trip. Even with using salt X which is supposed to remove salt deposits, my brake kit gets all rusted every season and locks up.. Lots of work to replace the brake kit. Any better alternative? My other alternative is to remove...
  19. M

    External Spark In Ignition Coil

    1999 5.0L Alpha Summer is here again! I just started my motor today after winter layup. Motor started but noticed spark noise and noticed visible spark activity in the coil tower. Checked wire for tightness and restarted the motor, same visible spark can be seen at 6 feet away from the...
  20. M

    Can you please verify my total spark advance?

    1998 Merc 5.0L 220HP Thunderbolt V Initial Timing is 10BTDC Using an advanced timing light, here are the readings in degrees with the specified rpm. 2500rpm---15degs. 3500rpm---24degs. 4000rpm---27degs. Merc manual states that total advance for this engine with thunderbolt 4 ( for...
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