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) #75 …

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 the lighter engine …

Apr 17, 2024 · I have a 1994 Hunter 40.5 with a Yanmar 4JH2E. Engine runs great, starts immediately when the key is turned on, no smoke on running, even at high rpm.. When the key is off, the oil …

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.

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 …

Yanmar diesel engine cooling problems can be isolated with little difficulty. The engine's cooling system is made up of a freshwater loop and a raw-water circuit. Clogs can form in the cooling hoses, heater …

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 …

May 28, 2025 · On a Yanmar the shut down cable is a thin wire inside a cover with a bare end with the other end having a fitting that goes into the engine control panel and a knob attached to a short bar …

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 can not …

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 meets API …