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  1. jackball42

    How wide is a 1977 Starcraft Supersport 18 foot transom?

    Can anyone tell me how wide a 1977 Starcraft SuperSport 18 foot boat is at the transom?
  2. jackball42

    Mercruiser 140 Prop Thrust Washer

    1977 Mercruiser 140. I noticed this weekend that my prop was a little loose so I took it off and found the thrust washer had spun on the shaft. The thrust washer is the old stainless part and not the new brass design. I am using a Michigan Wheel prop. I assume that because the washer spun on...
  3. jackball42

    Mercruiser 140 reverse cable adjustment

    1977 Mercruiser 140 goes into forward gear fine but when I shift into reverse it doesnt engage quite right. It catches for a moment and then releases and then finally catches. Can I adjust the shifter cable to correct this?
  4. jackball42

    1977 Mercruiser 140 timing

    I have a 1977 Starcraft SuperSport with a Mercruiser 140 I/O. When I mash down on the throttle it hesitates and even dies occasionly unless I pump the shifter and sometime backfires through the carb. I have been through the carb and verifed the float settings are correct and the accelarator pump...
  5. jackball42

    1977 Mercruiser 140 won't idle

    I have a '77 Starcraft with a Mercruiser 140 that wont idle. Rochester 2bbl. I had the boat out two weeks ago and it worked fine. Just prior to that trip I had rebuild the carb, new points/condensor, plug wires and cap. The boat had been sitting for many years before I got it and the...
  6. jackball42

    Mercruiser 140 steering is backwards, right is left and left is right

    I got my newly rebuild 1977 Starcraft Super Sport on the water today to find that the steering is backwards. I did have the gimble ring out to replace the trim switch in the gimble ring. The only thing I can think of is that the steering arm got installed on the gear wrong. Am I correct? I dont...
  7. jackball42

    1977 SuperSport red light on dash

    Above the ignition key is a red light that illuminates when you turn on the key. It stays lit when the engine is running. Is this correct operation?
  8. jackball42

    Mercruiser 140, no spark

    Got the boat out today to get it ready for spring and went to start it but it won't fire. I checked the points and have a 1.5v drop across them when they are closed. I took a point file and cleaned the points but the voltage drop remained the same. According to the manual it should be .125v or...
  9. jackball42

    1977 SuperSport HIN tag

    The HIN tag on the transom is hard to read because its been painted over. Is there another HIN tag on the boat somewhere?
  10. jackball42

    Bellows adhesive - Is it a must?

    I'm working on my Mercruiser 140 outdrive and replacing the bellows. How important is it to use bellows adhesive on the new bellows? I have read comments on other boards and some say you must and others say you can get away without it. Since tearing the gimble housing and bell housing apart are...
  11. jackball42

    Will a Mercruiser 165 outdrive fit on a 140

    I have a 1977 Mercruiser 140 HP I/O. The outdrive has suffered some galvanic corrosion and looks really bad. I found a similar year 165 hp outdrive. Will that fit the 140 gimble assembly and is the gearing the same?
  12. jackball42

    Pre alpha drive unit decals

    Does anyone know where I can get Mercruiser decal set 56480A 1? It is an obsolete part from Mercruiser. I need them for my 1977 140.
  13. jackball42

    Star Trim for 1977 I/O

    Does anyone have a picture of the wiring on their Star Trim panel? Someone unhooked wires on mine and I am having a difficult time figuring out where they go.
  14. jackball42

    Mercruiser 140 Tilt Stop Switch in the top of the gimble housing

    I am working on my project boat, its a 1977 Starcraft SuperSport with a Mercruiser 140. The Star Trim isnt working correctly so I started investigating. I found there is a switch located in the gimble ring assembly. 1. Is this necessary to operate the boat? 2. Is this a NO or NC switch...
  15. jackball42

    1977 Starcraft SS 18' wiring question

    I am reassembling my project boat and found a few wires unhooked. Anybody got an idea where they go? They come from the power tilt/trim. This boat has a Merc 140 I/O. There is also a 2 pin connector that doesn't have a mate. Any ideas or does anybody have a picture of the back of their...
  16. jackball42

    Shifter switch broken

    Hello, I have a 1977 Starcraft Supersport 18' with a Mercruiser 140 I/O. I am in the process of redoing the boat and found the neutral safety switch on the shifter assembly broken. At least I assume its the neutral safety switch. Anybody know where I can get another switch?
  17. jackball42

    Galvanic Corrosion 1977 Supersport

    I recently got a 1977 Supersport with a Merc 140 and the outdrive and hull look they are suffering from galvanic corrosion. The outdrive is pitted and the V part of the hull has some corrosion on it. This boat does not have the Mercathode system. I thought someone had the boat in salt or...
  18. jackball42

    1977 Starcraft SUS 18' I/0 - Need interior help

    Hello, I am new to the forum and new to Starcraft boats. I just picked up a 1977 Supersport with a Merc 140 I/O w/ trailer for $650. The boat was someone's project but unfortunately he passed away before he could finish it and his widow wanted it gone. The boat has new carpet but the rest of the...
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