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Old 28-06-2010, 19:28   #1
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Rebuilding Yanmar 2gm - What Should I Know ?

I just got my new caliber, the engine runs good but I plan on pulling it to work behind it and under it. While it is out I saw I can get a rebuild kit for around $600. So to me that will be doing a year of cruising with this engine and it having around 4000 hrs on it I think I should rebuild it. No I have rebuilt a few gas engines how much further down the rabbit hole will i be diving down into?


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Old 28-06-2010, 19:49   #2
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Paying someone to rebuild it will be around $1500.00 if you supply the parts.

Maybe more maybe less depending where you are.
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Old 28-06-2010, 21:14   #3
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I am looking into doing it myself, hence the hesitation to of taking on the project.


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Old 28-06-2010, 21:47   #4
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If you have honestly done gas engines, then you will have no problem getting clearances right, plastigaging bearings, checking end gaps, grinding valve seats, installiing valve seals......plus checking the compression, servicing the injection pump and injectors, etc
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Old 29-06-2010, 11:24   #5
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4000 hrs is not always bad, I have seen a 1GM go 10,000 hrs. I would do a compression test and have a Yanmar mechanic check your engine before going to the expence of rebuild.
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