Yanmar Inboards, 1975-98 (Seloc Marine Manuals) [Seloc] on Amazon.com. *FREE* shipping on qualifying offers. SELOC Marine maintenance and repair manuals offer the most comprehensive, authoritative information available for outboard I have a 3GMF and run it at less than 3000, usually around 2700 which seems to be its sweet spot at hull speed which for me is around 6.5K. Below 2500 for extended running, these tend to glaze the piston walls. If I remember right, the 3GMs reach peak torque at around 3000 (I don't have my service manual torque curves here to give you the exact #). Yanmar manuals are a must for the DIY person, offering part numbers, service and repair information, as well as original owners / operators instructions and specifications. Buy it today and get Free Shipping! marinesurveyorontario.com 1980-1983 YANMAR 3HMF The Yanmar inboard manual by Clymer is a great reference for repair and service information. This service manual is written for the do-it-yourselfer as well as the experienced mechanic. The water pump (Yanmar part #721575-42701, same pump as on the 2 GMF engine) has a size and the pulley is made to work with that engine. There are some places that sell the same pump (it was not made by Yanmar) but I don't think that they are any cheaper than the Yanmar part. This is the Highly Detailed factory service repair manual for theYANMAR 3GM MARINE DIESEL ENGINE, this Service Manual has detailed illustrations as well as step by step instructions,It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic.YANMAR 3GM MARINE DIESEL ENGINE Service Repair Workshop Manual provides step-by This Yanmar 3GM30F Marine Diesel Engine service manual is the same service manual used by professional marine technicians. If we can provide additional assistance of any kind please feel free to contact us and tell us what you need. Yanmar 2GM20 Service Manual PDF If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. We completed an engine service on a Y2GM20F engine in a 2002 Hunter 326 sailboat using the Niemiec Marine Y2GM20F Minor kit. How to do a Yanmar 2GM20F Engine service How to change oil and Worldwide Yanmar service network. First-quality Yanmar parts and service are available wherever you are and for whatever you need to do through an international network of dedicated Yanmar distributors and dealers. Thoroughly trained and fully equipped. They are there to help you with in-depth advice, hands-on assistance and the complete range