Gee Greg 120 hours between oil changes ..... thats almost 2.5 X the recommended hours no wonder it broke. My Eu10i only holds 250ml of oil(the Eu20i has 400mL) and that would go through the motor quite a few times in 50 hours to become very dirty and well used. Also the 50 hours only really counts if you are using the motor frequently (e.g. daily) as oil will hydrate easily if left standing for long periods and the service interval should be even shorter then 50 hours. Hydrated oil causes all sorts of grief (gumming and glazing being a real problem). The yamaha's are also a good reliable unit just make sure you service it on time or it will meet the same end as the honda.
Mark
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