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  1. J

    95 4.3lx alpha one mercruiser cooling system question

    I understand and agree. However, this boat is a 95 and while I assume the tstat has been changed before I'm betting the housing is original. If I'm going through the trouble of checking the mechanics of a 30yo boat part I may as well change it while I'm in there. I've had it since 2016 and...
  2. J

    95 4.3lx alpha one mercruiser cooling system question

    I haven't gotten a chance to get in there yet but I don't think so. I can't find anything about them anywhere. Is an impeller a possibility?
  3. J

    95 4.3lx alpha one mercruiser cooling system question

    Should I just replace the housing and t-stat?
  4. J

    95 4.3lx alpha one mercruiser cooling system question

    Original post said it all really. It was strange, winterization went fine, antifreeze drew in without issue. Summerizing went fine, clear water came out as it should when flushing the system. Changed oil in motor and lower unit (did lower unit for winterization but got the wrong juice so...
  5. J

    95 4.3lx alpha one mercruiser cooling system question

    You said check balls and Springs at risers. I'm not familiar with these and I'm struggling to find a YouTube video of it. What am I looking for there?
  6. J

    95 4.3lx alpha one mercruiser cooling system question

    I'm Familiar with vehicles but I'm a newbie to marine stuff. Is the riser like a check valve? What am I looking for?
  7. J

    95 4.3lx alpha one mercruiser cooling system question

    Motor overheats at idle and cools fine at speed. Is this an impeller issue?
  8. J

    Need help with plugs selection

    Sorry to piggyback here but I have a similar question. My boat is a 95 Chaparral 1930 sst with the 4.3lx mercruiser with the thunderbolt system. Head covers say vortec but I will look at the bolt count. Is there any reason I wouldn't be able to run the platinum or iridium performance type plugs...
  9. J

    Engine oil

    Thank you, I have a 95 4.3lx mercruiser. I appreciate the information and I may be looking too much into it, but the Prestone is rated at - 100 but specifically states on the instructions not to use in engines. I bought super tech based on the label but upon further investigation seems...
  10. J

    Engine oil

    Good evening, I have always paid to have my boat winterized and summerized and I'm tired of it. I'm pretty handy and always do my own automotive work but have steered clear of the boat purely out of intimidation. I'm tackling it this year but had a couple of questions. So far only west marine...
  11. J

    Replacement depth finder gauge

    Hey guys, looking at replacing all the gauges on my 95 Chaparral runabout. I have a hummingbird depth finder that I am sure is original to the boat. The finder works great but the display has seen better days in its 30yo history. I Google it and didn't find anything but is it possible to get...
  12. J

    Starter issue, possibly water related

    It turned it over a few times it just wouldn't kick off, it's a carburator so doesn't always start right away. Then it stopped doing anything, didn't even bump it. It was only 3 times so I know I didn't drain the battery. All accessories were working just stopped turning over.
  13. J

    Starter issue, possibly water related

    I don't think it was completely submerged but I'm thinking it got to it for sure. Happened in the middle of the night so I couldn't actually see how much water it actually was. I made a mad dash to the pier and turned on the bilge pump. It cleared faster than I thought it would so may not have...
  14. J

    Starter issue, possibly water related

    So, had my boat on the water and a red cell came up out of nowhere and swamped my boat, 1995 19' chaparral runabout. my bilge pump isn't automatic so my bilge took on a bit of water. I ran down in the rain and turned on the bilge pump on and got the water down to a good level within 5 mins. The...
  15. J

    4.3lx flywheel replacement

    Thank you all for your feedback. Last question, are there any magnetic sensors or otherwise on the flywheel that might need replacing while there? My tach was acting up last season and I was gonna do a gauge replacement, wasn't sure if that was something to address now.
  16. J

    4.3lx flywheel replacement

    Thank you for the information but I don't have the ability to pull it. I'm curious though, What about balance of the flywheel with a new ring gear? Is it something that would cause vibration if not properly balanced? Also, what is the best aftermarket flywheel in your opinion?
  17. J

    4.3lx flywheel replacement

    Thank you
  18. J

    4.3lx flywheel replacement

    Thanks, do you happen to know where I can find the spec length for the bolts? I'm assuming they just reused the oem bolts when they replaced the starter in 2019. I was curious about movement also but didn't feel any before I removed the starter.
  19. J

    4.3lx flywheel replacement

    Good morning, As I am summerizing my boat for this season the shop tells me my starter is going but that it is more than likely a flywheel issue. I decided to replace the starter myself in hopes they were mistaken. They were not, my flywheel has worn down and missing teeth. I have a 95 19'...
  20. J

    Is this gel coat or top side paint?

    Thank you, while im glad its just the burgundy part, it's not not been happening anywhere else. Is this because of the thinner finish over the base gel?
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