Posted by Whizkidkyus on September 23, 2009 at 23:01:34 from (64.130.131.20):
I know that this is going to be long, but I have to explain it in detail under the circumstances , but I have a friend of mine who works on small engines ( lawnmowers , etc. ) professionally at his house and during the day at a farm store in his county's county seat. Back earlier in the spring, he worked on a lawnmower at his public job and changed the oil and filter and a few other minor things on a Briggs and Stratton Vanguard motor app. ,I guess , 15 - 20 hp. He started it and ran it for at least 10 minutes and drove it around the shop / store and drove it on the trailer and took it home , unloaded it and parked it beside the persons garage . She later came by the shop wanting a clutch electrical switch ( pto ) as the mower would not start. He told her that that probably would not fix it and later she came by saying he was right . Well now ,the lady is suing him saying that she mowed with the mower about 1 hour and a half and it quit running and her son checked the oil and said that there wasn't any oil in the motor . Her claim is that he forgot to put oil in the motor and he says he did. Her neighbors even told him that she came to them wanting oil. Well , our question is this - How long can this engine ( or any small engine like the above mentioned and air cooled) last under a normal load ( meaning mowing grass and running the transmission at full throttle ) on a normal hot summer day about 85 - 95 degrees f.. She said that the person she bought it from had just put a new engine on it , too , if that helps any ,and my friend said that it did look nice . He has been doing this for at least 10+ years and I've watched him change oil plenty of times and never forget to put more back in . So guys, as I stated above, would this motor last 1.5 hours under normal use WITHOUT ANY OIL IN IT AND RUNNING AT FULL THROTTLE ? We say no ,but it all depends on how knowledgable the judge is about motors. What do you guys think - does she sound legitmate or just wanting a new motor ? Do any of you know where I can find any info. on this as my friend was wanting some info . on it . Please tell us what you thing about it and how long the motor would have lasted in your opinion . I , personally believe that it wouldn't last no more than 5 - 10 minutes tops. We want a lot of opinions on this so I am going to post it on a few more forms on this site to make sure that everyone see it. Thank you for all and any help.
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