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  1. Yanmar 3YM30 Engine oil - Sailboat Owners Forums

    Jun 8, 2022 · How much 15w40 oil does the Yanmar 3YM30 engine take? Just about to do first oil change on new (used) boat and cannot find the answer to this question anywhere. Thank you!

  2. Yanmar Engine mounts. | Sailboat Owners Forums

    Dec 7, 2024 · Looking at Yanmar's "history" which indicates the #100's should be placed aft on the engine : 1. Hunter Marine installed (2) #100 mounts on the aft portion of the engine and (2) …

  3. Yanmar Gear Oil - Sailboat Owners Forums

    Aug 3, 2014 · From the "Yanmar GM-HM Workshop Manual": "Transmission models KM2A, KM2C, KM2P, KM3A and KM3P The recommended transmission oil is an engine oil that …

  4. Understanding YANMAR engine model codes Most engine model designations are on an engine data plate, on the front or the top of the engine. Some older engines have the data plate on …

  5. Specifications Use the KM2P-1 or the SD20 with the 3YM30 engine. KM2P-1 is a parallel drive with a mechanical cone clutch and SD20 has a constant mesh gear with dog clutch.

  6. Yanmar filter micron size? - Sailboat Owners Forums

    Jul 12, 2006 · The Yanmar secondary is 2 micron filter. Conventional wisdom says the primary Racor should be 30 although there is a 20 micron size if you prefer.

  7. 2QM15 Problems Solved - Sailboat Owners Forums

    Jun 23, 2014 · After twelve years of effort and thousands of dollars spent, I have finally solved my problems with the Yanmar 2QM15 diesel engine. There are two likely problems with this poorly …

  8. Yanmar 3YM20 coolant change - Sailboat Owners Forums

    Oct 8, 2018 · I have a yanmar 3ym20 (2007) and I want to change the coolant. On the port side of the engine near the front there is a valve on The fresh water coolant hose for emptying the …

  9. Yanmar exhaust elbow replacement - Sailboat Owners Forums

    Jun 13, 2006 · I have a Yanmar 3GM30F on a Hunter 35.5. The PO cut an opening in the rear so access is good. My problem is I can get all the hoses off and get the bottom portion loose but I …

  10. Yanmar Engine mounts. | Sailboat Owners Forums

    Dec 7, 2024 · I will just say that, on the Yanmar GM series engine, the heavy overhanging transmission end requires the heavier engine mounts (both 100#) and the other end requires …