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1-20 of 38 Results
  1. Diesel
    I have a slight fuel leak in the top of my Yanmar 3JH4E near the injectors. This is a on a 2009 Catalina 375 with just under 900 hours. Trying to pinpoint the leak and resolve it. Could be the injectors, the return lines or hose clamps. Any other suggestions or ideas welcome. Has anyone had a...
  2. Diesel
    Greetings, I just took ownership of a '78 Cal 25-2 with a Yanmar YSM-8 inboard diesel. We had to motor 8 straight hours the other day and really wished I had aviation-style headsets for everyone to protect our hearing and communicate comfortably. Is it practical to line the interior of the aft...
  3. Diesel
    Greetings, Just bought a '78 Cal Jensen 25-2 with a Yanmar YSM-8 inboard diesel and the throttle control slips back to idle almost immediately, requiring a line tied between it and the tranny lever. Looking for recommendations to fix. Thanks in advance! Disko
  4. Diesel
    Have a 1978 Yanmar SB8 Where we initially had the head gasket blow out on a water jacket that filled the cylinder with water. We replaced the head gasket and it fired up nicely, but was smoking a lot. We had it running for a good 15 minutes and we purposely shut it down and it wouldn’t fire back...
  5. Engines
    Looking to purchase a 1986 C&C 44. From what I've found, these boats originally come with a "44hp 4JHE" (Naturally Aspirated). The owner of this particular listing says the engine is original but it is a 4JHE-TE (turbo charged version). 1. Did the C&C44 also come with this (4JHE-TE) engine as...
  6. Boat Review Forum
    Looking to purchase a 1986 C&C 44. From what I've found, these boats originally come with a "44hp 4JHE" (Naturally Aspirated). The owner of this particular listing says the engine is original but it is a 4JHE-TE (turbo charged version). 1. Did the C&C44 also come with this (4JHE-TE) engine...
  7. Diesel
    Hello Sailors! Any suggestions or help on the steps to take when properly starting or airing fuel lines on a Yanmar 2GM20F diesel engine? I am the latest owner of a 1979 Hunter Cherubini with a Yanmar 2GM20F and the PO owner had not started it since the fuel tank had to be removed and repaired...
  8. Diesel
    I have a Yanmar YSM12. I'll preface that this is the first diesel engine I have owned so forgive my naivity. Was out sailing and anchored in a very weedy area. When I pulled out the motor was underpowered and smoking a bit (white smoke) and I put it in forward and reverse to try and get the...
  9. Diesel
    Hi Sailnet, I've recently acquired a 30 year old Yanmar 3GMD which runs at 67C (152.6F) at the crankcase when revved to 1800rpm after a few minutes. This is a little hot for my liking as I'd like to try and get it to 2000rpm if possible - beating into 25knt wind in a very narrow and shallow...
  10. Diesel
    Hey all. I have an old inboard Yanmar SB8 in my Sun 28 that I am having issues with. First off, I am not very familiar with diesel engines and rely a lot on friends, and here, for help. So, the engine has seized. Pulled the head off and looked at the piston. Springs on the head were a bit rusty...
  11. Diesel
    Thinking of buying a catamaran with dual Yanmar 27HP. The boat's tank is 50 gallons which seems small to me. How many hours should I expect to get, running single engine at a time, in normal cruising speed (assuming sail is down of course)?
  12. Diesel
    Hey everyone, I have my first diesel - a yanmar 2GM20F. Yesterday the exhaust stopped producing water and the WC Alarm sounded within minutes of starting the engine before I even got out of the marina. I brought her back into the slip immediately and here's what I observed: The Coolant...
  13. Diesel
    Hello Forum, I am a newbie - just bought a '79 Catalina 27'. The original engine was a Petters (sp?) and it currently has a Yanmar 2GM20F inboard diesel. I've heard the engine is worth more than the boat. Ha! At any rate, I have scoured the web, and am not finding any kind of a simple...
  14. Engines
    I'd like to use a simple belt tension gauge like the Krikit to adjust the belts on my Yanmar 3GM30F. However the belt tension is specified as X mm of deflection with 10 kg of force, and I haven't found a gauge that I can use to directly measure that. What tool do you use to measure the belt...
  15. Diesel
    Hi Everyone The Yanmar 3JH3E 40hp in my boat has been a great work horse. Last season I replaced the primary and secondary filters and I have bled the system. What I am finding now is that after running the engine in gear for 30 minutes or so, it tends to just drop power and then rev up...
  16. C & C
    The prop on our C&C 27 is not turning. We documented it in a youtube video: youtube.com/watch?v=Pxl4-ZhUdvc (You have to copy and paste the link because I can't post a link because I'm too new here. I promise it's not spam or anything nefarious.) It's a folding prop, as you can vaguely tell...
  17. Diesel
    Hello, I just bought a Flicka 20 with a yanmar 1gm10 engine that hasn't been maintained for about ten years(boat and engine). She starts though. I had a mechanic friend help me run through the basics. We cleaned out the water lines, changed the oil and found water inside when checking the oil...
  18. Please Introduce Yourself
    Hello, We would like to introduce ourselves to your community. Our company mainly focuses on marine generators, but from time to time we get engines and sail drives as well. Also if you need any parts feel free to give a shout and we will do our best to get you the best prices and speedy...
  19. Diesel
    I am sure this topic has been discussed but I have not found it in the search so here it is again, my apologies for redundancy. I have an 80s model Yanmar YSM 12. Been a great motor for the last two years, always cranked and ran like a dream. I had to re-thread the return line (small metal tube...
  20. Diesel
    I have about 500 hours on my 3GY20 Yanmar. I've had no problem with it. I've always been able to run it up to 3400 - 3600 RPM. I prefer to run it about 2700 RPM for comfort and vibration, and that seems to optimize speed/efficiency. I try to run it at 3000 periodically to clean the...
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