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1GM10 Engine
Since the old pages - I have not done anything much new on the engine. Now I have run more than 1200 miles cruising - I have gotten to know it a little better. I still don't understand it - ok I know the tech stuff and most of its basic internals - ( short of how the governor actually works ! ) - but these engines can be fickle at times. So I have brought together the recent pages on the engine. They may be of use to some. Some basic info on the various components. Update to Engine overhaul - March 2019 The 'Rib Mrine Parts Portal' for spares Head refurb | 1 general | 2 | 3 | Some thoughts on Rebuilding the Engine Some general 1GM10 specs - info - ( some basic data of interest ) The Anti-Syphon loop | Update on engine Jan 2014 | CAV type filter elements | Preamble | Other options | Latest filter moans | Washer moans | Shop Manuals - these are the real Workshop manuals - not the service manuals. The full Workshop Manual is now available from here for free - 433 pages ! https://www.manualslib.com/y/yanmar+1gm10.html It's free to download but a little messy site with many 'false' download links - so I have put a copy on here. Just click on the link and choose 'save ' - they are pdf's. My copy - with credit to Manualslib.com ( direct dowload from here ) I have added notes to the index page to give the page that each section starts. The older manual below - is clearer to understand - although the photos are not as good as the later version diagrams ? There are some mistakes in the later manual ( I have that as a copy I bought from Yanmar ) - and some sections are far from clear. The earlier version had a compete section devoted to single cylinder models. The later bunched all three together.
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