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 …

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 …

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 coolant.

Jan 24, 2017 · I am the original owner of 1983 h34 with a yanmar 3gmf freshwater cooled engine. I have done all regular routine maintenance suggested by the owners manual oil, trans, belts, impeller and …

May 16, 2021 · Lots of potential causes like a fouled mixing elbow indicating a need for replacement and others identified in this article: The 3 Causes of White Smoke From A Diesel And What To Do Next - …

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 …

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 …

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 …

Apr 18, 2017 · My efforts at routine maintenance have gone awry and I need some guidance. I replaced 3 fuel filters (2 primary and one secondary) and am having trouble bleeding the system and getting …

Jul 7, 2022 · The Yanmar shaft is pretty expensive but a machine shop could turn one for you for less.. II have rebuilt my pump a couple of times in the 30+ years I have owned it. I carry a spare seal and …