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  1. 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 the adapter …

  2. 23-1 1 119620-49290 (A=*2000.04) BLOCK ASSY, CYLINDER BLOCK ASSY, CYLINDER PLUG PT1/8 PLUG 30 (SUS) STUD, CYL. HEAD NUT, CYL. HEAD O-RING 1A P-10.0 GUIDE, O-RING …

  3. Yanmar 4JH4E - Bleeding Air after Fuel Filter Change

    Feb 5, 2022 · I got around to changing the primary and secondary fuel filters on the Yanmar 4JH4E on our Hunter 41DS. I've owned diesel trucks for years and successfully changed fuel filters with no …

  4. Yanmar oil pressure - Sailboat Owners Forums

    Aug 6, 2009 · Thanks, Kermit and all Kermit, Rob, Rick, Alan, Porche, Eddie, Zeehag and all others who kindly responded to my "Yanmar YSM-12 oil pump doesn't self-prime" questions: I think I have …

  5. Volvo vs yanmar - Sailboat Owners Forums

    Aug 28, 2016 · Currently have a Yanmar 3JH2E but not enough experience to make an informed comment. It is a little quieter than the Volvo, but it is also much younger. The one consistent issue …

  6. Replacement of Yanmar Engine Mounts - Sailboat Owners Forums

    May 11, 2015 · The original Yanmar looks as if it's more far more flexible (even with harder rubber) due to the large cross sectional shear while your replacement mount is based on vertical compression of …

  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 2GM20F, Leaking Antifreeze, Heat Exchanger

    Sep 30, 2017 · Best case is a really bad seal between the heat exchanger bundle and the tank. A big o-ring on each end .. easy to accesss.. pull the covers and they are there.. (Page 104 in your manual …

  9. Yanmar 1GM10 water pump impeller - Sailboat Owners Forums

    Aug 30, 2014 · The water pump in my newly installed Yanmar failed after 240 running hours. The impeller was broken into several small pieces , and a groove of 0.5mm depth was formed in the …

  10. Yanmar Throttle Not Holding - Sailboat Owners Forums

    Nov 14, 2023 · Hello All- I have what feels like a silly question. I have a Yanmar 3HM35F that starts right up every time. Occasional puff of smoke on start up, but otherwise seems to run fantastic with no …