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) …

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 …

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.

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 …

Jan 16, 2022 · I saw some others here who used the YM series raw water pump bracket to reverse the orientation so the serviceable part is accessible without removing the pump and …

Aug 31, 2013 · Yanmar engines rely solely on cylinder compression to heat the fuel to its ignition temperature. An engine with good compression will start right away within the first two or three …

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 …

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 …

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 …

Aug 24, 2025 · I have DOM 1993 Yanmar 3GM30F in my boat and the engine runs fine with the exception of the ubiquitous and occasional "click" starting problem. However, a few weeks …