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  1. SCORPIO

    Galvanic isolator wiring questions

    I don't want a repeat of last seasons ferocious zinc loss. First time in 15 years with this boat that I experienced that kind of zinc loss. I'm talking about complete loss of several zincs that were new at the beginning of the season as well as the almost total loss of two hanging zinc...
  2. SCORPIO

    Alpha 1 gen 1 lower unit input shaft diameter.

    I need to order a shaft repair sleeve for my alpha 1 gen 1. I measured the shaft and it looks like .866. I would assume it's a 7/8" by looking at it. dwhen i search for .866 sleeves, it doesn't yield many results. There are a lot of options for 7/8. Anybody know for sure?
  3. SCORPIO

    Shifter upgrade

    I'd like to upgrade the dual throttle/shift controls on my 89 300DA with twin Alpha one gen one drives. Does anyone who's done this mod have any suggestions for type of controls you used? I see a lot of different units listed, I just want to be sure which ones will work with my drives and cables.
  4. SCORPIO

    Mystery leak FOUND!

    For the last several years I've had a mystery intermittent water leak I've been unable to locate. Boat is an 89 300DA. It's overall a dry boat but I always have a little water in the bilge after a run. I can shop vac it dry and it never came back, until the next outing. I replaced all the...
  5. SCORPIO

    Door stops/bumpers

    On my 89 300DA there are several white rubber bumpers about an 3/4" square and slightly pyramid shaped. They are located in the cabin, on the ceiling to stop the head door, another is in the companionway to stop the cabin folding door and another is on the port gunwale combing pad to stop the...
  6. SCORPIO

    Who's NOT boating this season due to COVID?

    Title pretty much says it, who is sitting this year out on the hard? I'm still not sure, can't reach marina, maybe closed. Also, Delawre is closed to out of state residents until further notice, so I dont even know when I could get to put boat in let alone use it. I have to make payment or...
  7. SCORPIO

    Spun hub or?????

    Last week took boat out for a run, first run in a few weeks. As I was bringing up the rpms to get on plane, at about 2000 rpm the port engine began to rev suddenly as if I shifted to neutral. I backed off to 1000 and all seemed normal and I repeated the process three more times, each time I...
  8. SCORPIO

    Fuel pump question.

    My bee engines came with Carter electric fuel pumps. When first installed, the pumps would prime the carbs when the key was turned to the run position. This year, they dont do that. I have to crank the engine 10 seconds or so to build some oil pressure then the pumps run and engines start. I...
  9. SCORPIO

    Trim problem

    89 300 DA alpha one drives. I had an issue with my starboard rltrim pump not wanting to go down, relay would click several times and then it would go down. I figured the down solenoid ( bottom one with green wire) was giving out so I replaced it with a new one. After reassembling, now it...
  10. SCORPIO

    Alpha one shift cable bellows?

    I'm doing bellows, hoses, shift cable and trim limit/position senders prior to spring launch. I'm having a problem with the shift cable bellows. I have installed that thing three times now and every time within a day or two, the bellows walks off the gimbal housing. I have cleaned it very...
  11. SCORPIO

    Compass bubble, refill?

    I have a Ritchie compass on my 89 300 Sundancer that has developed a bubble over the last several years. It got a bit larger this last year, about the size of a quarter now. Is it better to refill the compass or just pull it out and install an new one? I've seen videos of people refilling...
  12. SCORPIO

    VHF issue

    I have two fixed mount radios on my boat, both only a few years old. One is an Icon IC M412 the other a Standard Horizon Eclipse. I was noticing the SH unit not being very active on scan so I got a Shakespeare ART 3 meter to check the antennas. Both are 8 foot Shakespeare units one is an 8300...
  13. SCORPIO

    A.C. pump looking prime.

    After a beautiful day on the water, I come back to dock to find my A.C. pump lost prime. Tried back filling thru outlet to no avail. Had to pull hose off pump inlet to get water flow from strainer then unit worked fine. Should I be closing the sea cock when runni g on plane? 89 300 DA...
  14. SCORPIO

    Electric fuel pumps self priming?

    I changed both fuel filters on my engines and am getting ready to start her up. I'm now wondering if I will need to pre fill the filters in order to get them started or if the electric pumps will draw fuel from the tank and prime the filters. Anybody have a quick answer?
  15. SCORPIO

    Pulled risers to check, glad I did

    I pulled the risers off my boat last night. These engines are both new crate motors. The port was replaced spring 2015 and the starboard in August of 2016. They both have closed cooling half systems, meaning the risers and manifolds see salt water. The port engine has Mercruiser manifolds...
  16. SCORPIO

    Exhaust riser gaskets

    I'm going to pull my elbows to inspect them and the manifolds for corrosion/wear. What style gasket should be used on an engine with a half fresh water cooled system? (Manifolds and risers have salt water running thru them). I see the restrictor style with two oval slots and two small holes...
  17. SCORPIO

    Mercruiser Alpha I Gen I upper ratio?

    I've got twin Merc Alpha I Gen I sterndrives on my 89 300DA with 5.7 V-8 engines. What ratio do the 5.7's use, 1.5:1? I'm doing bellows and shift cables and I noted that my starboard drive, the one with the shifting issues, has a large amount of salt and corrosion around the shift shaft and...
  18. SCORPIO

    Bellows lifespan?

    I had all my bellows and hoses replaced professionally prior to the start of the 2013 season., so they have had 5 seasons of use. I have no leaks and the bellows all look fine, the clamps are getting corroded but the rubber looks good. I'm in salt water for the season May-early Nov. My...
  19. SCORPIO

    Alpha one gen one vs gen II?

    What are the differences between the to Alpha one generations I and II? I will need to replace my gen I transom assemblies this year due to corrosion and was wondering if there is any advantage to upgrading to gen II units.
  20. SCORPIO

    Tasted the dark side

    I went sailing with a friend on his new Island Packet 38 today. Was a nice day with variable winds up to 30 kt gusts. Ive never sailed before so he showed me how to rig out all the sails and has me actually do it. Then to my surprise, he turned over the helm to me and we sailed down wind, a...
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